b2893d0891
Update from sqlite3-3.12.1 (3120100) to sqlite3-3.14.1 (3140100). This commit addresses the tmpdir selection vulnerability fixed in sqlite3-1.13.0. See VuXML entry 546deeea-3fc6-11e6-a671-60a44ce6887b. Security: VuXML 546deeea-3fc6-11e6-a671-60a44ce6887b Security: CVE-2016-6153
5602 lines
172 KiB
C
5602 lines
172 KiB
C
/*
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** 2001 September 15
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**
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** The author disclaims copyright to this source code. In place of
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** a legal notice, here is a blessing:
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**
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** May you do good and not evil.
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** May you find forgiveness for yourself and forgive others.
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** May you share freely, never taking more than you give.
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**
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*************************************************************************
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** This file contains code to implement the "sqlite" command line
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** utility for accessing SQLite databases.
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*/
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#if (defined(_WIN32) || defined(WIN32)) && !defined(_CRT_SECURE_NO_WARNINGS)
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/* This needs to come before any includes for MSVC compiler */
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#define _CRT_SECURE_NO_WARNINGS
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#endif
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/*
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** If requested, include the SQLite compiler options file for MSVC.
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*/
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#if defined(INCLUDE_MSVC_H)
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#include "msvc.h"
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#endif
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/*
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** No support for loadable extensions in VxWorks.
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*/
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#if (defined(__RTP__) || defined(_WRS_KERNEL)) && !SQLITE_OMIT_LOAD_EXTENSION
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# define SQLITE_OMIT_LOAD_EXTENSION 1
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#endif
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/*
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** Enable large-file support for fopen() and friends on unix.
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*/
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#ifndef SQLITE_DISABLE_LFS
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# define _LARGE_FILE 1
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# ifndef _FILE_OFFSET_BITS
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# define _FILE_OFFSET_BITS 64
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# endif
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# define _LARGEFILE_SOURCE 1
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#endif
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <assert.h>
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#include "sqlite3.h"
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#if SQLITE_USER_AUTHENTICATION
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# include "sqlite3userauth.h"
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#endif
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#include <ctype.h>
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#include <stdarg.h>
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#if !defined(_WIN32) && !defined(WIN32)
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# include <signal.h>
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# if !defined(__RTP__) && !defined(_WRS_KERNEL)
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# include <pwd.h>
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# endif
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# include <unistd.h>
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# include <sys/types.h>
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#endif
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#if HAVE_READLINE
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# include <readline/readline.h>
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# include <readline/history.h>
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#endif
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#if HAVE_EDITLINE
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# include <editline/readline.h>
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#endif
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#if HAVE_EDITLINE || HAVE_READLINE
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# define shell_add_history(X) add_history(X)
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# define shell_read_history(X) read_history(X)
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# define shell_write_history(X) write_history(X)
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# define shell_stifle_history(X) stifle_history(X)
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# define shell_readline(X) readline(X)
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#elif HAVE_LINENOISE
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# include "linenoise.h"
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# define shell_add_history(X) linenoiseHistoryAdd(X)
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# define shell_read_history(X) linenoiseHistoryLoad(X)
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# define shell_write_history(X) linenoiseHistorySave(X)
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# define shell_stifle_history(X) linenoiseHistorySetMaxLen(X)
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# define shell_readline(X) linenoise(X)
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#else
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# define shell_read_history(X)
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# define shell_write_history(X)
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# define shell_stifle_history(X)
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# define SHELL_USE_LOCAL_GETLINE 1
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#endif
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#if defined(_WIN32) || defined(WIN32)
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# include <io.h>
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# include <fcntl.h>
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# define isatty(h) _isatty(h)
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# ifndef access
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# define access(f,m) _access((f),(m))
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# endif
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# undef popen
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# define popen _popen
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# undef pclose
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# define pclose _pclose
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#else
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/* Make sure isatty() has a prototype. */
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extern int isatty(int);
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# if !defined(__RTP__) && !defined(_WRS_KERNEL)
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/* popen and pclose are not C89 functions and so are
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** sometimes omitted from the <stdio.h> header */
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extern FILE *popen(const char*,const char*);
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extern int pclose(FILE*);
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# else
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# define SQLITE_OMIT_POPEN 1
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# endif
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#endif
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#if defined(_WIN32_WCE)
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/* Windows CE (arm-wince-mingw32ce-gcc) does not provide isatty()
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* thus we always assume that we have a console. That can be
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* overridden with the -batch command line option.
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*/
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#define isatty(x) 1
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#endif
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/* ctype macros that work with signed characters */
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#define IsSpace(X) isspace((unsigned char)X)
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#define IsDigit(X) isdigit((unsigned char)X)
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#define ToLower(X) (char)tolower((unsigned char)X)
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#if defined(_WIN32) || defined(WIN32)
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#include <windows.h>
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/* string conversion routines only needed on Win32 */
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extern char *sqlite3_win32_unicode_to_utf8(LPCWSTR);
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extern char *sqlite3_win32_mbcs_to_utf8_v2(const char *, int);
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extern char *sqlite3_win32_utf8_to_mbcs_v2(const char *, int);
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#endif
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/* On Windows, we normally run with output mode of TEXT so that \n characters
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** are automatically translated into \r\n. However, this behavior needs
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** to be disabled in some cases (ex: when generating CSV output and when
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** rendering quoted strings that contain \n characters). The following
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** routines take care of that.
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*/
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#if defined(_WIN32) || defined(WIN32)
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static void setBinaryMode(FILE *file, int isOutput){
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if( isOutput ) fflush(file);
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_setmode(_fileno(file), _O_BINARY);
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}
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static void setTextMode(FILE *file, int isOutput){
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if( isOutput ) fflush(file);
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_setmode(_fileno(file), _O_TEXT);
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}
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#else
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# define setBinaryMode(X,Y)
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# define setTextMode(X,Y)
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#endif
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/* True if the timer is enabled */
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static int enableTimer = 0;
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/* Return the current wall-clock time */
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static sqlite3_int64 timeOfDay(void){
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static sqlite3_vfs *clockVfs = 0;
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sqlite3_int64 t;
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if( clockVfs==0 ) clockVfs = sqlite3_vfs_find(0);
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if( clockVfs->iVersion>=2 && clockVfs->xCurrentTimeInt64!=0 ){
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clockVfs->xCurrentTimeInt64(clockVfs, &t);
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}else{
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double r;
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clockVfs->xCurrentTime(clockVfs, &r);
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t = (sqlite3_int64)(r*86400000.0);
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}
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return t;
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}
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#if !defined(_WIN32) && !defined(WIN32) && !defined(__minux)
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#include <sys/time.h>
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#include <sys/resource.h>
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/* VxWorks does not support getrusage() as far as we can determine */
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#if defined(_WRS_KERNEL) || defined(__RTP__)
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struct rusage {
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struct timeval ru_utime; /* user CPU time used */
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struct timeval ru_stime; /* system CPU time used */
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};
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#define getrusage(A,B) memset(B,0,sizeof(*B))
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#endif
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/* Saved resource information for the beginning of an operation */
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static struct rusage sBegin; /* CPU time at start */
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static sqlite3_int64 iBegin; /* Wall-clock time at start */
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/*
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** Begin timing an operation
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*/
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static void beginTimer(void){
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if( enableTimer ){
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getrusage(RUSAGE_SELF, &sBegin);
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iBegin = timeOfDay();
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}
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}
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/* Return the difference of two time_structs in seconds */
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static double timeDiff(struct timeval *pStart, struct timeval *pEnd){
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return (pEnd->tv_usec - pStart->tv_usec)*0.000001 +
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(double)(pEnd->tv_sec - pStart->tv_sec);
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}
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/*
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** Print the timing results.
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*/
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static void endTimer(void){
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if( enableTimer ){
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sqlite3_int64 iEnd = timeOfDay();
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struct rusage sEnd;
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getrusage(RUSAGE_SELF, &sEnd);
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printf("Run Time: real %.3f user %f sys %f\n",
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(iEnd - iBegin)*0.001,
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timeDiff(&sBegin.ru_utime, &sEnd.ru_utime),
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timeDiff(&sBegin.ru_stime, &sEnd.ru_stime));
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}
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}
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#define BEGIN_TIMER beginTimer()
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#define END_TIMER endTimer()
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#define HAS_TIMER 1
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#elif (defined(_WIN32) || defined(WIN32))
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/* Saved resource information for the beginning of an operation */
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static HANDLE hProcess;
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static FILETIME ftKernelBegin;
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static FILETIME ftUserBegin;
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static sqlite3_int64 ftWallBegin;
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typedef BOOL (WINAPI *GETPROCTIMES)(HANDLE, LPFILETIME, LPFILETIME,
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LPFILETIME, LPFILETIME);
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static GETPROCTIMES getProcessTimesAddr = NULL;
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/*
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** Check to see if we have timer support. Return 1 if necessary
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** support found (or found previously).
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*/
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static int hasTimer(void){
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if( getProcessTimesAddr ){
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return 1;
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} else {
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/* GetProcessTimes() isn't supported in WIN95 and some other Windows
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** versions. See if the version we are running on has it, and if it
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** does, save off a pointer to it and the current process handle.
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*/
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hProcess = GetCurrentProcess();
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if( hProcess ){
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HINSTANCE hinstLib = LoadLibrary(TEXT("Kernel32.dll"));
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if( NULL != hinstLib ){
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getProcessTimesAddr =
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(GETPROCTIMES) GetProcAddress(hinstLib, "GetProcessTimes");
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if( NULL != getProcessTimesAddr ){
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return 1;
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}
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FreeLibrary(hinstLib);
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}
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}
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}
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return 0;
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}
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/*
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** Begin timing an operation
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*/
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static void beginTimer(void){
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if( enableTimer && getProcessTimesAddr ){
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FILETIME ftCreation, ftExit;
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getProcessTimesAddr(hProcess,&ftCreation,&ftExit,
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&ftKernelBegin,&ftUserBegin);
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ftWallBegin = timeOfDay();
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}
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}
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/* Return the difference of two FILETIME structs in seconds */
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static double timeDiff(FILETIME *pStart, FILETIME *pEnd){
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sqlite_int64 i64Start = *((sqlite_int64 *) pStart);
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sqlite_int64 i64End = *((sqlite_int64 *) pEnd);
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return (double) ((i64End - i64Start) / 10000000.0);
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}
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/*
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** Print the timing results.
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*/
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static void endTimer(void){
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if( enableTimer && getProcessTimesAddr){
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FILETIME ftCreation, ftExit, ftKernelEnd, ftUserEnd;
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sqlite3_int64 ftWallEnd = timeOfDay();
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getProcessTimesAddr(hProcess,&ftCreation,&ftExit,&ftKernelEnd,&ftUserEnd);
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printf("Run Time: real %.3f user %f sys %f\n",
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(ftWallEnd - ftWallBegin)*0.001,
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timeDiff(&ftUserBegin, &ftUserEnd),
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timeDiff(&ftKernelBegin, &ftKernelEnd));
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}
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}
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#define BEGIN_TIMER beginTimer()
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#define END_TIMER endTimer()
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#define HAS_TIMER hasTimer()
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#else
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#define BEGIN_TIMER
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#define END_TIMER
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#define HAS_TIMER 0
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#endif
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/*
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** Used to prevent warnings about unused parameters
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*/
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#define UNUSED_PARAMETER(x) (void)(x)
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/*
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** If the following flag is set, then command execution stops
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** at an error if we are not interactive.
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*/
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static int bail_on_error = 0;
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/*
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** Threat stdin as an interactive input if the following variable
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** is true. Otherwise, assume stdin is connected to a file or pipe.
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*/
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static int stdin_is_interactive = 1;
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/*
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** On Windows systems we have to know if standard output is a console
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** in order to translate UTF-8 into MBCS. The following variable is
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** true if translation is required.
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*/
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static int stdout_is_console = 1;
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/*
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** The following is the open SQLite database. We make a pointer
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** to this database a static variable so that it can be accessed
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** by the SIGINT handler to interrupt database processing.
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*/
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static sqlite3 *globalDb = 0;
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/*
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** True if an interrupt (Control-C) has been received.
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*/
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static volatile int seenInterrupt = 0;
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/*
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** This is the name of our program. It is set in main(), used
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** in a number of other places, mostly for error messages.
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*/
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static char *Argv0;
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/*
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** Prompt strings. Initialized in main. Settable with
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** .prompt main continue
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*/
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static char mainPrompt[20]; /* First line prompt. default: "sqlite> "*/
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static char continuePrompt[20]; /* Continuation prompt. default: " ...> " */
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/*
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** Render output like fprintf(). Except, if the output is going to the
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** console and if this is running on a Windows machine, translate the
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** output from UTF-8 into MBCS.
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*/
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#if defined(_WIN32) || defined(WIN32)
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void utf8_printf(FILE *out, const char *zFormat, ...){
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va_list ap;
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va_start(ap, zFormat);
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if( stdout_is_console && (out==stdout || out==stderr) ){
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char *z1 = sqlite3_vmprintf(zFormat, ap);
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char *z2 = sqlite3_win32_utf8_to_mbcs_v2(z1, 0);
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sqlite3_free(z1);
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fputs(z2, out);
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sqlite3_free(z2);
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}else{
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vfprintf(out, zFormat, ap);
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}
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va_end(ap);
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}
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#elif !defined(utf8_printf)
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# define utf8_printf fprintf
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#endif
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/*
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** Render output like fprintf(). This should not be used on anything that
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** includes string formatting (e.g. "%s").
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*/
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#if !defined(raw_printf)
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# define raw_printf fprintf
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#endif
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/*
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** Write I/O traces to the following stream.
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*/
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#ifdef SQLITE_ENABLE_IOTRACE
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static FILE *iotrace = 0;
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#endif
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/*
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** This routine works like printf in that its first argument is a
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** format string and subsequent arguments are values to be substituted
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** in place of % fields. The result of formatting this string
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** is written to iotrace.
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*/
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#ifdef SQLITE_ENABLE_IOTRACE
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static void SQLITE_CDECL iotracePrintf(const char *zFormat, ...){
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va_list ap;
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char *z;
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if( iotrace==0 ) return;
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va_start(ap, zFormat);
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z = sqlite3_vmprintf(zFormat, ap);
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va_end(ap);
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utf8_printf(iotrace, "%s", z);
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sqlite3_free(z);
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}
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#endif
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/*
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** Determines if a string is a number of not.
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|
*/
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static int isNumber(const char *z, int *realnum){
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if( *z=='-' || *z=='+' ) z++;
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if( !IsDigit(*z) ){
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return 0;
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}
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z++;
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if( realnum ) *realnum = 0;
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while( IsDigit(*z) ){ z++; }
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if( *z=='.' ){
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z++;
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if( !IsDigit(*z) ) return 0;
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while( IsDigit(*z) ){ z++; }
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if( realnum ) *realnum = 1;
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}
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if( *z=='e' || *z=='E' ){
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z++;
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if( *z=='+' || *z=='-' ) z++;
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if( !IsDigit(*z) ) return 0;
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while( IsDigit(*z) ){ z++; }
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|
if( realnum ) *realnum = 1;
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}
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|
return *z==0;
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}
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|
|
|
/*
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|
** A global char* and an SQL function to access its current value
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** from within an SQL statement. This program used to use the
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** sqlite_exec_printf() API to substitue a string into an SQL statement.
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|
** The correct way to do this with sqlite3 is to use the bind API, but
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** since the shell is built around the callback paradigm it would be a lot
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** of work. Instead just use this hack, which is quite harmless.
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|
*/
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|
static const char *zShellStatic = 0;
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static void shellstaticFunc(
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sqlite3_context *context,
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int argc,
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sqlite3_value **argv
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){
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assert( 0==argc );
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assert( zShellStatic );
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UNUSED_PARAMETER(argc);
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UNUSED_PARAMETER(argv);
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sqlite3_result_text(context, zShellStatic, -1, SQLITE_STATIC);
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|
}
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|
|
|
|
|
/*
|
|
** Compute a string length that is limited to what can be stored in
|
|
** lower 30 bits of a 32-bit signed integer.
|
|
*/
|
|
static int strlen30(const char *z){
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|
const char *z2 = z;
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|
while( *z2 ){ z2++; }
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|
return 0x3fffffff & (int)(z2 - z);
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|
}
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|
|
/*
|
|
** This routine reads a line of text from FILE in, stores
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|
** the text in memory obtained from malloc() and returns a pointer
|
|
** to the text. NULL is returned at end of file, or if malloc()
|
|
** fails.
|
|
**
|
|
** If zLine is not NULL then it is a malloced buffer returned from
|
|
** a previous call to this routine that may be reused.
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|
*/
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|
static char *local_getline(char *zLine, FILE *in){
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int nLine = zLine==0 ? 0 : 100;
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|
int n = 0;
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|
|
|
while( 1 ){
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|
if( n+100>nLine ){
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|
nLine = nLine*2 + 100;
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zLine = realloc(zLine, nLine);
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|
if( zLine==0 ) return 0;
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|
}
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|
if( fgets(&zLine[n], nLine - n, in)==0 ){
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|
if( n==0 ){
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|
free(zLine);
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|
return 0;
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|
}
|
|
zLine[n] = 0;
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break;
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|
}
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|
while( zLine[n] ) n++;
|
|
if( n>0 && zLine[n-1]=='\n' ){
|
|
n--;
|
|
if( n>0 && zLine[n-1]=='\r' ) n--;
|
|
zLine[n] = 0;
|
|
break;
|
|
}
|
|
}
|
|
#if defined(_WIN32) || defined(WIN32)
|
|
/* For interactive input on Windows systems, translate the
|
|
** multi-byte characterset characters into UTF-8. */
|
|
if( stdin_is_interactive ){
|
|
char *zTrans = sqlite3_win32_mbcs_to_utf8_v2(zLine, 0);
|
|
if( zTrans ){
|
|
int nTrans = strlen30(zTrans)+1;
|
|
if( nTrans>nLine ){
|
|
zLine = realloc(zLine, nTrans);
|
|
if( zLine==0 ){
|
|
sqlite3_free(zTrans);
|
|
return 0;
|
|
}
|
|
}
|
|
memcpy(zLine, zTrans, nTrans);
|
|
sqlite3_free(zTrans);
|
|
}
|
|
}
|
|
#endif /* defined(_WIN32) || defined(WIN32) */
|
|
return zLine;
|
|
}
|
|
|
|
/*
|
|
** Retrieve a single line of input text.
|
|
**
|
|
** If in==0 then read from standard input and prompt before each line.
|
|
** If isContinuation is true, then a continuation prompt is appropriate.
|
|
** If isContinuation is zero, then the main prompt should be used.
|
|
**
|
|
** If zPrior is not NULL then it is a buffer from a prior call to this
|
|
** routine that can be reused.
|
|
**
|
|
** The result is stored in space obtained from malloc() and must either
|
|
** be freed by the caller or else passed back into this routine via the
|
|
** zPrior argument for reuse.
|
|
*/
|
|
static char *one_input_line(FILE *in, char *zPrior, int isContinuation){
|
|
char *zPrompt;
|
|
char *zResult;
|
|
if( in!=0 ){
|
|
zResult = local_getline(zPrior, in);
|
|
}else{
|
|
zPrompt = isContinuation ? continuePrompt : mainPrompt;
|
|
#if SHELL_USE_LOCAL_GETLINE
|
|
printf("%s", zPrompt);
|
|
fflush(stdout);
|
|
zResult = local_getline(zPrior, stdin);
|
|
#else
|
|
free(zPrior);
|
|
zResult = shell_readline(zPrompt);
|
|
if( zResult && *zResult ) shell_add_history(zResult);
|
|
#endif
|
|
}
|
|
return zResult;
|
|
}
|
|
|
|
#if defined(SQLITE_ENABLE_SESSION)
|
|
/*
|
|
** State information for a single open session
|
|
*/
|
|
typedef struct OpenSession OpenSession;
|
|
struct OpenSession {
|
|
char *zName; /* Symbolic name for this session */
|
|
int nFilter; /* Number of xFilter rejection GLOB patterns */
|
|
char **azFilter; /* Array of xFilter rejection GLOB patterns */
|
|
sqlite3_session *p; /* The open session */
|
|
};
|
|
#endif
|
|
|
|
/*
|
|
** Shell output mode information from before ".explain on",
|
|
** saved so that it can be restored by ".explain off"
|
|
*/
|
|
typedef struct SavedModeInfo SavedModeInfo;
|
|
struct SavedModeInfo {
|
|
int valid; /* Is there legit data in here? */
|
|
int mode; /* Mode prior to ".explain on" */
|
|
int showHeader; /* The ".header" setting prior to ".explain on" */
|
|
int colWidth[100]; /* Column widths prior to ".explain on" */
|
|
};
|
|
|
|
/*
|
|
** State information about the database connection is contained in an
|
|
** instance of the following structure.
|
|
*/
|
|
typedef struct ShellState ShellState;
|
|
struct ShellState {
|
|
sqlite3 *db; /* The database */
|
|
int echoOn; /* True to echo input commands */
|
|
int autoExplain; /* Automatically turn on .explain mode */
|
|
int autoEQP; /* Run EXPLAIN QUERY PLAN prior to seach SQL stmt */
|
|
int statsOn; /* True to display memory stats before each finalize */
|
|
int scanstatsOn; /* True to display scan stats before each finalize */
|
|
int countChanges; /* True to display change counts */
|
|
int backslashOn; /* Resolve C-style \x escapes in SQL input text */
|
|
int outCount; /* Revert to stdout when reaching zero */
|
|
int cnt; /* Number of records displayed so far */
|
|
FILE *out; /* Write results here */
|
|
FILE *traceOut; /* Output for sqlite3_trace() */
|
|
int nErr; /* Number of errors seen */
|
|
int mode; /* An output mode setting */
|
|
int cMode; /* temporary output mode for the current query */
|
|
int normalMode; /* Output mode before ".explain on" */
|
|
int writableSchema; /* True if PRAGMA writable_schema=ON */
|
|
int showHeader; /* True to show column names in List or Column mode */
|
|
unsigned shellFlgs; /* Various flags */
|
|
char *zDestTable; /* Name of destination table when MODE_Insert */
|
|
char colSeparator[20]; /* Column separator character for several modes */
|
|
char rowSeparator[20]; /* Row separator character for MODE_Ascii */
|
|
int colWidth[100]; /* Requested width of each column when in column mode*/
|
|
int actualWidth[100]; /* Actual width of each column */
|
|
char nullValue[20]; /* The text to print when a NULL comes back from
|
|
** the database */
|
|
char outfile[FILENAME_MAX]; /* Filename for *out */
|
|
const char *zDbFilename; /* name of the database file */
|
|
char *zFreeOnClose; /* Filename to free when closing */
|
|
const char *zVfs; /* Name of VFS to use */
|
|
sqlite3_stmt *pStmt; /* Current statement if any. */
|
|
FILE *pLog; /* Write log output here */
|
|
int *aiIndent; /* Array of indents used in MODE_Explain */
|
|
int nIndent; /* Size of array aiIndent[] */
|
|
int iIndent; /* Index of current op in aiIndent[] */
|
|
#if defined(SQLITE_ENABLE_SESSION)
|
|
int nSession; /* Number of active sessions */
|
|
OpenSession aSession[4]; /* Array of sessions. [0] is in focus. */
|
|
#endif
|
|
};
|
|
|
|
/*
|
|
** These are the allowed shellFlgs values
|
|
*/
|
|
#define SHFLG_Scratch 0x00001 /* The --scratch option is used */
|
|
#define SHFLG_Pagecache 0x00002 /* The --pagecache option is used */
|
|
#define SHFLG_Lookaside 0x00004 /* Lookaside memory is used */
|
|
|
|
/*
|
|
** These are the allowed modes.
|
|
*/
|
|
#define MODE_Line 0 /* One column per line. Blank line between records */
|
|
#define MODE_Column 1 /* One record per line in neat columns */
|
|
#define MODE_List 2 /* One record per line with a separator */
|
|
#define MODE_Semi 3 /* Same as MODE_List but append ";" to each line */
|
|
#define MODE_Html 4 /* Generate an XHTML table */
|
|
#define MODE_Insert 5 /* Generate SQL "insert" statements */
|
|
#define MODE_Tcl 6 /* Generate ANSI-C or TCL quoted elements */
|
|
#define MODE_Csv 7 /* Quote strings, numbers are plain */
|
|
#define MODE_Explain 8 /* Like MODE_Column, but do not truncate data */
|
|
#define MODE_Ascii 9 /* Use ASCII unit and record separators (0x1F/0x1E) */
|
|
#define MODE_Pretty 10 /* Pretty-print schemas */
|
|
|
|
static const char *modeDescr[] = {
|
|
"line",
|
|
"column",
|
|
"list",
|
|
"semi",
|
|
"html",
|
|
"insert",
|
|
"tcl",
|
|
"csv",
|
|
"explain",
|
|
"ascii",
|
|
"prettyprint",
|
|
};
|
|
|
|
/*
|
|
** These are the column/row/line separators used by the various
|
|
** import/export modes.
|
|
*/
|
|
#define SEP_Column "|"
|
|
#define SEP_Row "\n"
|
|
#define SEP_Tab "\t"
|
|
#define SEP_Space " "
|
|
#define SEP_Comma ","
|
|
#define SEP_CrLf "\r\n"
|
|
#define SEP_Unit "\x1F"
|
|
#define SEP_Record "\x1E"
|
|
|
|
/*
|
|
** Number of elements in an array
|
|
*/
|
|
#define ArraySize(X) (int)(sizeof(X)/sizeof(X[0]))
|
|
|
|
/*
|
|
** A callback for the sqlite3_log() interface.
|
|
*/
|
|
static void shellLog(void *pArg, int iErrCode, const char *zMsg){
|
|
ShellState *p = (ShellState*)pArg;
|
|
if( p->pLog==0 ) return;
|
|
utf8_printf(p->pLog, "(%d) %s\n", iErrCode, zMsg);
|
|
fflush(p->pLog);
|
|
}
|
|
|
|
/*
|
|
** Output the given string as a hex-encoded blob (eg. X'1234' )
|
|
*/
|
|
static void output_hex_blob(FILE *out, const void *pBlob, int nBlob){
|
|
int i;
|
|
char *zBlob = (char *)pBlob;
|
|
raw_printf(out,"X'");
|
|
for(i=0; i<nBlob; i++){ raw_printf(out,"%02x",zBlob[i]&0xff); }
|
|
raw_printf(out,"'");
|
|
}
|
|
|
|
/*
|
|
** Output the given string as a quoted string using SQL quoting conventions.
|
|
*/
|
|
static void output_quoted_string(FILE *out, const char *z){
|
|
int i;
|
|
int nSingle = 0;
|
|
setBinaryMode(out, 1);
|
|
for(i=0; z[i]; i++){
|
|
if( z[i]=='\'' ) nSingle++;
|
|
}
|
|
if( nSingle==0 ){
|
|
utf8_printf(out,"'%s'",z);
|
|
}else{
|
|
raw_printf(out,"'");
|
|
while( *z ){
|
|
for(i=0; z[i] && z[i]!='\''; i++){}
|
|
if( i==0 ){
|
|
raw_printf(out,"''");
|
|
z++;
|
|
}else if( z[i]=='\'' ){
|
|
utf8_printf(out,"%.*s''",i,z);
|
|
z += i+1;
|
|
}else{
|
|
utf8_printf(out,"%s",z);
|
|
break;
|
|
}
|
|
}
|
|
raw_printf(out,"'");
|
|
}
|
|
setTextMode(out, 1);
|
|
}
|
|
|
|
/*
|
|
** Output the given string as a quoted according to C or TCL quoting rules.
|
|
*/
|
|
static void output_c_string(FILE *out, const char *z){
|
|
unsigned int c;
|
|
fputc('"', out);
|
|
while( (c = *(z++))!=0 ){
|
|
if( c=='\\' ){
|
|
fputc(c, out);
|
|
fputc(c, out);
|
|
}else if( c=='"' ){
|
|
fputc('\\', out);
|
|
fputc('"', out);
|
|
}else if( c=='\t' ){
|
|
fputc('\\', out);
|
|
fputc('t', out);
|
|
}else if( c=='\n' ){
|
|
fputc('\\', out);
|
|
fputc('n', out);
|
|
}else if( c=='\r' ){
|
|
fputc('\\', out);
|
|
fputc('r', out);
|
|
}else if( !isprint(c&0xff) ){
|
|
raw_printf(out, "\\%03o", c&0xff);
|
|
}else{
|
|
fputc(c, out);
|
|
}
|
|
}
|
|
fputc('"', out);
|
|
}
|
|
|
|
/*
|
|
** Output the given string with characters that are special to
|
|
** HTML escaped.
|
|
*/
|
|
static void output_html_string(FILE *out, const char *z){
|
|
int i;
|
|
if( z==0 ) z = "";
|
|
while( *z ){
|
|
for(i=0; z[i]
|
|
&& z[i]!='<'
|
|
&& z[i]!='&'
|
|
&& z[i]!='>'
|
|
&& z[i]!='\"'
|
|
&& z[i]!='\'';
|
|
i++){}
|
|
if( i>0 ){
|
|
utf8_printf(out,"%.*s",i,z);
|
|
}
|
|
if( z[i]=='<' ){
|
|
raw_printf(out,"<");
|
|
}else if( z[i]=='&' ){
|
|
raw_printf(out,"&");
|
|
}else if( z[i]=='>' ){
|
|
raw_printf(out,">");
|
|
}else if( z[i]=='\"' ){
|
|
raw_printf(out,""");
|
|
}else if( z[i]=='\'' ){
|
|
raw_printf(out,"'");
|
|
}else{
|
|
break;
|
|
}
|
|
z += i + 1;
|
|
}
|
|
}
|
|
|
|
/*
|
|
** If a field contains any character identified by a 1 in the following
|
|
** array, then the string must be quoted for CSV.
|
|
*/
|
|
static const char needCsvQuote[] = {
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
};
|
|
|
|
/*
|
|
** Output a single term of CSV. Actually, p->colSeparator is used for
|
|
** the separator, which may or may not be a comma. p->nullValue is
|
|
** the null value. Strings are quoted if necessary. The separator
|
|
** is only issued if bSep is true.
|
|
*/
|
|
static void output_csv(ShellState *p, const char *z, int bSep){
|
|
FILE *out = p->out;
|
|
if( z==0 ){
|
|
utf8_printf(out,"%s",p->nullValue);
|
|
}else{
|
|
int i;
|
|
int nSep = strlen30(p->colSeparator);
|
|
for(i=0; z[i]; i++){
|
|
if( needCsvQuote[((unsigned char*)z)[i]]
|
|
|| (z[i]==p->colSeparator[0] &&
|
|
(nSep==1 || memcmp(z, p->colSeparator, nSep)==0)) ){
|
|
i = 0;
|
|
break;
|
|
}
|
|
}
|
|
if( i==0 ){
|
|
putc('"', out);
|
|
for(i=0; z[i]; i++){
|
|
if( z[i]=='"' ) putc('"', out);
|
|
putc(z[i], out);
|
|
}
|
|
putc('"', out);
|
|
}else{
|
|
utf8_printf(out, "%s", z);
|
|
}
|
|
}
|
|
if( bSep ){
|
|
utf8_printf(p->out, "%s", p->colSeparator);
|
|
}
|
|
}
|
|
|
|
#ifdef SIGINT
|
|
/*
|
|
** This routine runs when the user presses Ctrl-C
|
|
*/
|
|
static void interrupt_handler(int NotUsed){
|
|
UNUSED_PARAMETER(NotUsed);
|
|
seenInterrupt++;
|
|
if( seenInterrupt>2 ) exit(1);
|
|
if( globalDb ) sqlite3_interrupt(globalDb);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
** When the ".auth ON" is set, the following authorizer callback is
|
|
** invoked. It always returns SQLITE_OK.
|
|
*/
|
|
static int shellAuth(
|
|
void *pClientData,
|
|
int op,
|
|
const char *zA1,
|
|
const char *zA2,
|
|
const char *zA3,
|
|
const char *zA4
|
|
){
|
|
ShellState *p = (ShellState*)pClientData;
|
|
static const char *azAction[] = { 0,
|
|
"CREATE_INDEX", "CREATE_TABLE", "CREATE_TEMP_INDEX",
|
|
"CREATE_TEMP_TABLE", "CREATE_TEMP_TRIGGER", "CREATE_TEMP_VIEW",
|
|
"CREATE_TRIGGER", "CREATE_VIEW", "DELETE",
|
|
"DROP_INDEX", "DROP_TABLE", "DROP_TEMP_INDEX",
|
|
"DROP_TEMP_TABLE", "DROP_TEMP_TRIGGER", "DROP_TEMP_VIEW",
|
|
"DROP_TRIGGER", "DROP_VIEW", "INSERT",
|
|
"PRAGMA", "READ", "SELECT",
|
|
"TRANSACTION", "UPDATE", "ATTACH",
|
|
"DETACH", "ALTER_TABLE", "REINDEX",
|
|
"ANALYZE", "CREATE_VTABLE", "DROP_VTABLE",
|
|
"FUNCTION", "SAVEPOINT", "RECURSIVE"
|
|
};
|
|
int i;
|
|
const char *az[4];
|
|
az[0] = zA1;
|
|
az[1] = zA2;
|
|
az[2] = zA3;
|
|
az[3] = zA4;
|
|
raw_printf(p->out, "authorizer: %s", azAction[op]);
|
|
for(i=0; i<4; i++){
|
|
raw_printf(p->out, " ");
|
|
if( az[i] ){
|
|
output_c_string(p->out, az[i]);
|
|
}else{
|
|
raw_printf(p->out, "NULL");
|
|
}
|
|
}
|
|
raw_printf(p->out, "\n");
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
|
|
/*
|
|
** This is the callback routine that the shell
|
|
** invokes for each row of a query result.
|
|
*/
|
|
static int shell_callback(
|
|
void *pArg,
|
|
int nArg, /* Number of result columns */
|
|
char **azArg, /* Text of each result column */
|
|
char **azCol, /* Column names */
|
|
int *aiType /* Column types */
|
|
){
|
|
int i;
|
|
ShellState *p = (ShellState*)pArg;
|
|
|
|
switch( p->cMode ){
|
|
case MODE_Line: {
|
|
int w = 5;
|
|
if( azArg==0 ) break;
|
|
for(i=0; i<nArg; i++){
|
|
int len = strlen30(azCol[i] ? azCol[i] : "");
|
|
if( len>w ) w = len;
|
|
}
|
|
if( p->cnt++>0 ) utf8_printf(p->out, "%s", p->rowSeparator);
|
|
for(i=0; i<nArg; i++){
|
|
utf8_printf(p->out,"%*s = %s%s", w, azCol[i],
|
|
azArg[i] ? azArg[i] : p->nullValue, p->rowSeparator);
|
|
}
|
|
break;
|
|
}
|
|
case MODE_Explain:
|
|
case MODE_Column: {
|
|
static const int aExplainWidths[] = {4, 13, 4, 4, 4, 13, 2, 13};
|
|
const int *colWidth;
|
|
int showHdr;
|
|
char *rowSep;
|
|
if( p->cMode==MODE_Column ){
|
|
colWidth = p->colWidth;
|
|
showHdr = p->showHeader;
|
|
rowSep = p->rowSeparator;
|
|
}else{
|
|
colWidth = aExplainWidths;
|
|
showHdr = 1;
|
|
rowSep = SEP_Row;
|
|
}
|
|
if( p->cnt++==0 ){
|
|
for(i=0; i<nArg; i++){
|
|
int w, n;
|
|
if( i<ArraySize(p->colWidth) ){
|
|
w = colWidth[i];
|
|
}else{
|
|
w = 0;
|
|
}
|
|
if( w==0 ){
|
|
w = strlen30(azCol[i] ? azCol[i] : "");
|
|
if( w<10 ) w = 10;
|
|
n = strlen30(azArg && azArg[i] ? azArg[i] : p->nullValue);
|
|
if( w<n ) w = n;
|
|
}
|
|
if( i<ArraySize(p->actualWidth) ){
|
|
p->actualWidth[i] = w;
|
|
}
|
|
if( showHdr ){
|
|
if( w<0 ){
|
|
utf8_printf(p->out,"%*.*s%s",-w,-w,azCol[i],
|
|
i==nArg-1 ? rowSep : " ");
|
|
}else{
|
|
utf8_printf(p->out,"%-*.*s%s",w,w,azCol[i],
|
|
i==nArg-1 ? rowSep : " ");
|
|
}
|
|
}
|
|
}
|
|
if( showHdr ){
|
|
for(i=0; i<nArg; i++){
|
|
int w;
|
|
if( i<ArraySize(p->actualWidth) ){
|
|
w = p->actualWidth[i];
|
|
if( w<0 ) w = -w;
|
|
}else{
|
|
w = 10;
|
|
}
|
|
utf8_printf(p->out,"%-*.*s%s",w,w,
|
|
"----------------------------------------------------------"
|
|
"----------------------------------------------------------",
|
|
i==nArg-1 ? rowSep : " ");
|
|
}
|
|
}
|
|
}
|
|
if( azArg==0 ) break;
|
|
for(i=0; i<nArg; i++){
|
|
int w;
|
|
if( i<ArraySize(p->actualWidth) ){
|
|
w = p->actualWidth[i];
|
|
}else{
|
|
w = 10;
|
|
}
|
|
if( p->cMode==MODE_Explain && azArg[i] && strlen30(azArg[i])>w ){
|
|
w = strlen30(azArg[i]);
|
|
}
|
|
if( i==1 && p->aiIndent && p->pStmt ){
|
|
if( p->iIndent<p->nIndent ){
|
|
utf8_printf(p->out, "%*.s", p->aiIndent[p->iIndent], "");
|
|
}
|
|
p->iIndent++;
|
|
}
|
|
if( w<0 ){
|
|
utf8_printf(p->out,"%*.*s%s",-w,-w,
|
|
azArg[i] ? azArg[i] : p->nullValue,
|
|
i==nArg-1 ? rowSep : " ");
|
|
}else{
|
|
utf8_printf(p->out,"%-*.*s%s",w,w,
|
|
azArg[i] ? azArg[i] : p->nullValue,
|
|
i==nArg-1 ? rowSep : " ");
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case MODE_Semi: { /* .schema and .fullschema output */
|
|
utf8_printf(p->out, "%s;\n", azArg[0]);
|
|
break;
|
|
}
|
|
case MODE_Pretty: { /* .schema and .fullschema with --indent */
|
|
char *z;
|
|
int j;
|
|
int nParen = 0;
|
|
char cEnd = 0;
|
|
char c;
|
|
int nLine = 0;
|
|
assert( nArg==1 );
|
|
if( azArg[0]==0 ) break;
|
|
if( sqlite3_strlike("CREATE VIEW%", azArg[0], 0)==0
|
|
|| sqlite3_strlike("CREATE TRIG%", azArg[0], 0)==0
|
|
){
|
|
utf8_printf(p->out, "%s;\n", azArg[0]);
|
|
break;
|
|
}
|
|
z = sqlite3_mprintf("%s", azArg[0]);
|
|
j = 0;
|
|
for(i=0; IsSpace(z[i]); i++){}
|
|
for(; (c = z[i])!=0; i++){
|
|
if( IsSpace(c) ){
|
|
if( IsSpace(z[j-1]) || z[j-1]=='(' ) continue;
|
|
}else if( (c=='(' || c==')') && j>0 && IsSpace(z[j-1]) ){
|
|
j--;
|
|
}
|
|
z[j++] = c;
|
|
}
|
|
while( j>0 && IsSpace(z[j-1]) ){ j--; }
|
|
z[j] = 0;
|
|
if( strlen30(z)>=79 ){
|
|
for(i=j=0; (c = z[i])!=0; i++){
|
|
if( c==cEnd ){
|
|
cEnd = 0;
|
|
}else if( c=='"' || c=='\'' || c=='`' ){
|
|
cEnd = c;
|
|
}else if( c=='[' ){
|
|
cEnd = ']';
|
|
}else if( c=='(' ){
|
|
nParen++;
|
|
}else if( c==')' ){
|
|
nParen--;
|
|
if( nLine>0 && nParen==0 && j>0 ){
|
|
utf8_printf(p->out, "%.*s\n", j, z);
|
|
j = 0;
|
|
}
|
|
}
|
|
z[j++] = c;
|
|
if( nParen==1 && (c=='(' || c==',' || c=='\n') ){
|
|
if( c=='\n' ) j--;
|
|
utf8_printf(p->out, "%.*s\n ", j, z);
|
|
j = 0;
|
|
nLine++;
|
|
while( IsSpace(z[i+1]) ){ i++; }
|
|
}
|
|
}
|
|
z[j] = 0;
|
|
}
|
|
utf8_printf(p->out, "%s;\n", z);
|
|
sqlite3_free(z);
|
|
break;
|
|
}
|
|
case MODE_List: {
|
|
if( p->cnt++==0 && p->showHeader ){
|
|
for(i=0; i<nArg; i++){
|
|
utf8_printf(p->out,"%s%s",azCol[i],
|
|
i==nArg-1 ? p->rowSeparator : p->colSeparator);
|
|
}
|
|
}
|
|
if( azArg==0 ) break;
|
|
for(i=0; i<nArg; i++){
|
|
char *z = azArg[i];
|
|
if( z==0 ) z = p->nullValue;
|
|
utf8_printf(p->out, "%s", z);
|
|
if( i<nArg-1 ){
|
|
utf8_printf(p->out, "%s", p->colSeparator);
|
|
}else{
|
|
utf8_printf(p->out, "%s", p->rowSeparator);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case MODE_Html: {
|
|
if( p->cnt++==0 && p->showHeader ){
|
|
raw_printf(p->out,"<TR>");
|
|
for(i=0; i<nArg; i++){
|
|
raw_printf(p->out,"<TH>");
|
|
output_html_string(p->out, azCol[i]);
|
|
raw_printf(p->out,"</TH>\n");
|
|
}
|
|
raw_printf(p->out,"</TR>\n");
|
|
}
|
|
if( azArg==0 ) break;
|
|
raw_printf(p->out,"<TR>");
|
|
for(i=0; i<nArg; i++){
|
|
raw_printf(p->out,"<TD>");
|
|
output_html_string(p->out, azArg[i] ? azArg[i] : p->nullValue);
|
|
raw_printf(p->out,"</TD>\n");
|
|
}
|
|
raw_printf(p->out,"</TR>\n");
|
|
break;
|
|
}
|
|
case MODE_Tcl: {
|
|
if( p->cnt++==0 && p->showHeader ){
|
|
for(i=0; i<nArg; i++){
|
|
output_c_string(p->out,azCol[i] ? azCol[i] : "");
|
|
if(i<nArg-1) utf8_printf(p->out, "%s", p->colSeparator);
|
|
}
|
|
utf8_printf(p->out, "%s", p->rowSeparator);
|
|
}
|
|
if( azArg==0 ) break;
|
|
for(i=0; i<nArg; i++){
|
|
output_c_string(p->out, azArg[i] ? azArg[i] : p->nullValue);
|
|
if(i<nArg-1) utf8_printf(p->out, "%s", p->colSeparator);
|
|
}
|
|
utf8_printf(p->out, "%s", p->rowSeparator);
|
|
break;
|
|
}
|
|
case MODE_Csv: {
|
|
setBinaryMode(p->out, 1);
|
|
if( p->cnt++==0 && p->showHeader ){
|
|
for(i=0; i<nArg; i++){
|
|
output_csv(p, azCol[i] ? azCol[i] : "", i<nArg-1);
|
|
}
|
|
utf8_printf(p->out, "%s", p->rowSeparator);
|
|
}
|
|
if( nArg>0 ){
|
|
for(i=0; i<nArg; i++){
|
|
output_csv(p, azArg[i], i<nArg-1);
|
|
}
|
|
utf8_printf(p->out, "%s", p->rowSeparator);
|
|
}
|
|
setTextMode(p->out, 1);
|
|
break;
|
|
}
|
|
case MODE_Insert: {
|
|
p->cnt++;
|
|
if( azArg==0 ) break;
|
|
utf8_printf(p->out,"INSERT INTO %s",p->zDestTable);
|
|
if( p->showHeader ){
|
|
raw_printf(p->out,"(");
|
|
for(i=0; i<nArg; i++){
|
|
char *zSep = i>0 ? ",": "";
|
|
utf8_printf(p->out, "%s%s", zSep, azCol[i]);
|
|
}
|
|
raw_printf(p->out,")");
|
|
}
|
|
raw_printf(p->out," VALUES(");
|
|
for(i=0; i<nArg; i++){
|
|
char *zSep = i>0 ? ",": "";
|
|
if( (azArg[i]==0) || (aiType && aiType[i]==SQLITE_NULL) ){
|
|
utf8_printf(p->out,"%sNULL",zSep);
|
|
}else if( aiType && aiType[i]==SQLITE_TEXT ){
|
|
if( zSep[0] ) utf8_printf(p->out,"%s",zSep);
|
|
output_quoted_string(p->out, azArg[i]);
|
|
}else if( aiType && (aiType[i]==SQLITE_INTEGER
|
|
|| aiType[i]==SQLITE_FLOAT) ){
|
|
utf8_printf(p->out,"%s%s",zSep, azArg[i]);
|
|
}else if( aiType && aiType[i]==SQLITE_BLOB && p->pStmt ){
|
|
const void *pBlob = sqlite3_column_blob(p->pStmt, i);
|
|
int nBlob = sqlite3_column_bytes(p->pStmt, i);
|
|
if( zSep[0] ) utf8_printf(p->out,"%s",zSep);
|
|
output_hex_blob(p->out, pBlob, nBlob);
|
|
}else if( isNumber(azArg[i], 0) ){
|
|
utf8_printf(p->out,"%s%s",zSep, azArg[i]);
|
|
}else{
|
|
if( zSep[0] ) utf8_printf(p->out,"%s",zSep);
|
|
output_quoted_string(p->out, azArg[i]);
|
|
}
|
|
}
|
|
raw_printf(p->out,");\n");
|
|
break;
|
|
}
|
|
case MODE_Ascii: {
|
|
if( p->cnt++==0 && p->showHeader ){
|
|
for(i=0; i<nArg; i++){
|
|
if( i>0 ) utf8_printf(p->out, "%s", p->colSeparator);
|
|
utf8_printf(p->out,"%s",azCol[i] ? azCol[i] : "");
|
|
}
|
|
utf8_printf(p->out, "%s", p->rowSeparator);
|
|
}
|
|
if( azArg==0 ) break;
|
|
for(i=0; i<nArg; i++){
|
|
if( i>0 ) utf8_printf(p->out, "%s", p->colSeparator);
|
|
utf8_printf(p->out,"%s",azArg[i] ? azArg[i] : p->nullValue);
|
|
}
|
|
utf8_printf(p->out, "%s", p->rowSeparator);
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
** This is the callback routine that the SQLite library
|
|
** invokes for each row of a query result.
|
|
*/
|
|
static int callback(void *pArg, int nArg, char **azArg, char **azCol){
|
|
/* since we don't have type info, call the shell_callback with a NULL value */
|
|
return shell_callback(pArg, nArg, azArg, azCol, NULL);
|
|
}
|
|
|
|
/*
|
|
** Set the destination table field of the ShellState structure to
|
|
** the name of the table given. Escape any quote characters in the
|
|
** table name.
|
|
*/
|
|
static void set_table_name(ShellState *p, const char *zName){
|
|
int i, n;
|
|
int needQuote;
|
|
char *z;
|
|
|
|
if( p->zDestTable ){
|
|
free(p->zDestTable);
|
|
p->zDestTable = 0;
|
|
}
|
|
if( zName==0 ) return;
|
|
needQuote = !isalpha((unsigned char)*zName) && *zName!='_';
|
|
for(i=n=0; zName[i]; i++, n++){
|
|
if( !isalnum((unsigned char)zName[i]) && zName[i]!='_' ){
|
|
needQuote = 1;
|
|
if( zName[i]=='\'' ) n++;
|
|
}
|
|
}
|
|
if( needQuote ) n += 2;
|
|
z = p->zDestTable = malloc( n+1 );
|
|
if( z==0 ){
|
|
raw_printf(stderr,"Error: out of memory\n");
|
|
exit(1);
|
|
}
|
|
n = 0;
|
|
if( needQuote ) z[n++] = '\'';
|
|
for(i=0; zName[i]; i++){
|
|
z[n++] = zName[i];
|
|
if( zName[i]=='\'' ) z[n++] = '\'';
|
|
}
|
|
if( needQuote ) z[n++] = '\'';
|
|
z[n] = 0;
|
|
}
|
|
|
|
/* zIn is either a pointer to a NULL-terminated string in memory obtained
|
|
** from malloc(), or a NULL pointer. The string pointed to by zAppend is
|
|
** added to zIn, and the result returned in memory obtained from malloc().
|
|
** zIn, if it was not NULL, is freed.
|
|
**
|
|
** If the third argument, quote, is not '\0', then it is used as a
|
|
** quote character for zAppend.
|
|
*/
|
|
static char *appendText(char *zIn, char const *zAppend, char quote){
|
|
int len;
|
|
int i;
|
|
int nAppend = strlen30(zAppend);
|
|
int nIn = (zIn?strlen30(zIn):0);
|
|
|
|
len = nAppend+nIn+1;
|
|
if( quote ){
|
|
len += 2;
|
|
for(i=0; i<nAppend; i++){
|
|
if( zAppend[i]==quote ) len++;
|
|
}
|
|
}
|
|
|
|
zIn = (char *)realloc(zIn, len);
|
|
if( !zIn ){
|
|
return 0;
|
|
}
|
|
|
|
if( quote ){
|
|
char *zCsr = &zIn[nIn];
|
|
*zCsr++ = quote;
|
|
for(i=0; i<nAppend; i++){
|
|
*zCsr++ = zAppend[i];
|
|
if( zAppend[i]==quote ) *zCsr++ = quote;
|
|
}
|
|
*zCsr++ = quote;
|
|
*zCsr++ = '\0';
|
|
assert( (zCsr-zIn)==len );
|
|
}else{
|
|
memcpy(&zIn[nIn], zAppend, nAppend);
|
|
zIn[len-1] = '\0';
|
|
}
|
|
|
|
return zIn;
|
|
}
|
|
|
|
|
|
/*
|
|
** Execute a query statement that will generate SQL output. Print
|
|
** the result columns, comma-separated, on a line and then add a
|
|
** semicolon terminator to the end of that line.
|
|
**
|
|
** If the number of columns is 1 and that column contains text "--"
|
|
** then write the semicolon on a separate line. That way, if a
|
|
** "--" comment occurs at the end of the statement, the comment
|
|
** won't consume the semicolon terminator.
|
|
*/
|
|
static int run_table_dump_query(
|
|
ShellState *p, /* Query context */
|
|
const char *zSelect, /* SELECT statement to extract content */
|
|
const char *zFirstRow /* Print before first row, if not NULL */
|
|
){
|
|
sqlite3_stmt *pSelect;
|
|
int rc;
|
|
int nResult;
|
|
int i;
|
|
const char *z;
|
|
rc = sqlite3_prepare_v2(p->db, zSelect, -1, &pSelect, 0);
|
|
if( rc!=SQLITE_OK || !pSelect ){
|
|
utf8_printf(p->out, "/**** ERROR: (%d) %s *****/\n", rc,
|
|
sqlite3_errmsg(p->db));
|
|
if( (rc&0xff)!=SQLITE_CORRUPT ) p->nErr++;
|
|
return rc;
|
|
}
|
|
rc = sqlite3_step(pSelect);
|
|
nResult = sqlite3_column_count(pSelect);
|
|
while( rc==SQLITE_ROW ){
|
|
if( zFirstRow ){
|
|
utf8_printf(p->out, "%s", zFirstRow);
|
|
zFirstRow = 0;
|
|
}
|
|
z = (const char*)sqlite3_column_text(pSelect, 0);
|
|
utf8_printf(p->out, "%s", z);
|
|
for(i=1; i<nResult; i++){
|
|
utf8_printf(p->out, ",%s", sqlite3_column_text(pSelect, i));
|
|
}
|
|
if( z==0 ) z = "";
|
|
while( z[0] && (z[0]!='-' || z[1]!='-') ) z++;
|
|
if( z[0] ){
|
|
raw_printf(p->out, "\n;\n");
|
|
}else{
|
|
raw_printf(p->out, ";\n");
|
|
}
|
|
rc = sqlite3_step(pSelect);
|
|
}
|
|
rc = sqlite3_finalize(pSelect);
|
|
if( rc!=SQLITE_OK ){
|
|
utf8_printf(p->out, "/**** ERROR: (%d) %s *****/\n", rc,
|
|
sqlite3_errmsg(p->db));
|
|
if( (rc&0xff)!=SQLITE_CORRUPT ) p->nErr++;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
/*
|
|
** Allocate space and save off current error string.
|
|
*/
|
|
static char *save_err_msg(
|
|
sqlite3 *db /* Database to query */
|
|
){
|
|
int nErrMsg = 1+strlen30(sqlite3_errmsg(db));
|
|
char *zErrMsg = sqlite3_malloc64(nErrMsg);
|
|
if( zErrMsg ){
|
|
memcpy(zErrMsg, sqlite3_errmsg(db), nErrMsg);
|
|
}
|
|
return zErrMsg;
|
|
}
|
|
|
|
#ifdef __linux__
|
|
/*
|
|
** Attempt to display I/O stats on Linux using /proc/PID/io
|
|
*/
|
|
static void displayLinuxIoStats(FILE *out){
|
|
FILE *in;
|
|
char z[200];
|
|
sqlite3_snprintf(sizeof(z), z, "/proc/%d/io", getpid());
|
|
in = fopen(z, "rb");
|
|
if( in==0 ) return;
|
|
while( fgets(z, sizeof(z), in)!=0 ){
|
|
static const struct {
|
|
const char *zPattern;
|
|
const char *zDesc;
|
|
} aTrans[] = {
|
|
{ "rchar: ", "Bytes received by read():" },
|
|
{ "wchar: ", "Bytes sent to write():" },
|
|
{ "syscr: ", "Read() system calls:" },
|
|
{ "syscw: ", "Write() system calls:" },
|
|
{ "read_bytes: ", "Bytes read from storage:" },
|
|
{ "write_bytes: ", "Bytes written to storage:" },
|
|
{ "cancelled_write_bytes: ", "Cancelled write bytes:" },
|
|
};
|
|
int i;
|
|
for(i=0; i<ArraySize(aTrans); i++){
|
|
int n = (int)strlen(aTrans[i].zPattern);
|
|
if( strncmp(aTrans[i].zPattern, z, n)==0 ){
|
|
raw_printf(out, "%-36s %s", aTrans[i].zDesc, &z[n]);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
fclose(in);
|
|
}
|
|
#endif
|
|
|
|
|
|
/*
|
|
** Display memory stats.
|
|
*/
|
|
static int display_stats(
|
|
sqlite3 *db, /* Database to query */
|
|
ShellState *pArg, /* Pointer to ShellState */
|
|
int bReset /* True to reset the stats */
|
|
){
|
|
int iCur;
|
|
int iHiwtr;
|
|
|
|
if( pArg && pArg->out ){
|
|
|
|
iHiwtr = iCur = -1;
|
|
sqlite3_status(SQLITE_STATUS_MEMORY_USED, &iCur, &iHiwtr, bReset);
|
|
raw_printf(pArg->out,
|
|
"Memory Used: %d (max %d) bytes\n",
|
|
iCur, iHiwtr);
|
|
iHiwtr = iCur = -1;
|
|
sqlite3_status(SQLITE_STATUS_MALLOC_COUNT, &iCur, &iHiwtr, bReset);
|
|
raw_printf(pArg->out, "Number of Outstanding Allocations: %d (max %d)\n",
|
|
iCur, iHiwtr);
|
|
if( pArg->shellFlgs & SHFLG_Pagecache ){
|
|
iHiwtr = iCur = -1;
|
|
sqlite3_status(SQLITE_STATUS_PAGECACHE_USED, &iCur, &iHiwtr, bReset);
|
|
raw_printf(pArg->out,
|
|
"Number of Pcache Pages Used: %d (max %d) pages\n",
|
|
iCur, iHiwtr);
|
|
}
|
|
iHiwtr = iCur = -1;
|
|
sqlite3_status(SQLITE_STATUS_PAGECACHE_OVERFLOW, &iCur, &iHiwtr, bReset);
|
|
raw_printf(pArg->out,
|
|
"Number of Pcache Overflow Bytes: %d (max %d) bytes\n",
|
|
iCur, iHiwtr);
|
|
if( pArg->shellFlgs & SHFLG_Scratch ){
|
|
iHiwtr = iCur = -1;
|
|
sqlite3_status(SQLITE_STATUS_SCRATCH_USED, &iCur, &iHiwtr, bReset);
|
|
raw_printf(pArg->out,
|
|
"Number of Scratch Allocations Used: %d (max %d)\n",
|
|
iCur, iHiwtr);
|
|
}
|
|
iHiwtr = iCur = -1;
|
|
sqlite3_status(SQLITE_STATUS_SCRATCH_OVERFLOW, &iCur, &iHiwtr, bReset);
|
|
raw_printf(pArg->out,
|
|
"Number of Scratch Overflow Bytes: %d (max %d) bytes\n",
|
|
iCur, iHiwtr);
|
|
iHiwtr = iCur = -1;
|
|
sqlite3_status(SQLITE_STATUS_MALLOC_SIZE, &iCur, &iHiwtr, bReset);
|
|
raw_printf(pArg->out, "Largest Allocation: %d bytes\n",
|
|
iHiwtr);
|
|
iHiwtr = iCur = -1;
|
|
sqlite3_status(SQLITE_STATUS_PAGECACHE_SIZE, &iCur, &iHiwtr, bReset);
|
|
raw_printf(pArg->out, "Largest Pcache Allocation: %d bytes\n",
|
|
iHiwtr);
|
|
iHiwtr = iCur = -1;
|
|
sqlite3_status(SQLITE_STATUS_SCRATCH_SIZE, &iCur, &iHiwtr, bReset);
|
|
raw_printf(pArg->out, "Largest Scratch Allocation: %d bytes\n",
|
|
iHiwtr);
|
|
#ifdef YYTRACKMAXSTACKDEPTH
|
|
iHiwtr = iCur = -1;
|
|
sqlite3_status(SQLITE_STATUS_PARSER_STACK, &iCur, &iHiwtr, bReset);
|
|
raw_printf(pArg->out, "Deepest Parser Stack: %d (max %d)\n",
|
|
iCur, iHiwtr);
|
|
#endif
|
|
}
|
|
|
|
if( pArg && pArg->out && db ){
|
|
if( pArg->shellFlgs & SHFLG_Lookaside ){
|
|
iHiwtr = iCur = -1;
|
|
sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_USED,
|
|
&iCur, &iHiwtr, bReset);
|
|
raw_printf(pArg->out,
|
|
"Lookaside Slots Used: %d (max %d)\n",
|
|
iCur, iHiwtr);
|
|
sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_HIT,
|
|
&iCur, &iHiwtr, bReset);
|
|
raw_printf(pArg->out, "Successful lookaside attempts: %d\n",
|
|
iHiwtr);
|
|
sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE,
|
|
&iCur, &iHiwtr, bReset);
|
|
raw_printf(pArg->out, "Lookaside failures due to size: %d\n",
|
|
iHiwtr);
|
|
sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL,
|
|
&iCur, &iHiwtr, bReset);
|
|
raw_printf(pArg->out, "Lookaside failures due to OOM: %d\n",
|
|
iHiwtr);
|
|
}
|
|
iHiwtr = iCur = -1;
|
|
sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_USED, &iCur, &iHiwtr, bReset);
|
|
raw_printf(pArg->out, "Pager Heap Usage: %d bytes\n",
|
|
iCur);
|
|
iHiwtr = iCur = -1;
|
|
sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_HIT, &iCur, &iHiwtr, 1);
|
|
raw_printf(pArg->out, "Page cache hits: %d\n", iCur);
|
|
iHiwtr = iCur = -1;
|
|
sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_MISS, &iCur, &iHiwtr, 1);
|
|
raw_printf(pArg->out, "Page cache misses: %d\n", iCur);
|
|
iHiwtr = iCur = -1;
|
|
sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_WRITE, &iCur, &iHiwtr, 1);
|
|
raw_printf(pArg->out, "Page cache writes: %d\n", iCur);
|
|
iHiwtr = iCur = -1;
|
|
sqlite3_db_status(db, SQLITE_DBSTATUS_SCHEMA_USED, &iCur, &iHiwtr, bReset);
|
|
raw_printf(pArg->out, "Schema Heap Usage: %d bytes\n",
|
|
iCur);
|
|
iHiwtr = iCur = -1;
|
|
sqlite3_db_status(db, SQLITE_DBSTATUS_STMT_USED, &iCur, &iHiwtr, bReset);
|
|
raw_printf(pArg->out, "Statement Heap/Lookaside Usage: %d bytes\n",
|
|
iCur);
|
|
}
|
|
|
|
if( pArg && pArg->out && db && pArg->pStmt ){
|
|
iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_FULLSCAN_STEP,
|
|
bReset);
|
|
raw_printf(pArg->out, "Fullscan Steps: %d\n", iCur);
|
|
iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_SORT, bReset);
|
|
raw_printf(pArg->out, "Sort Operations: %d\n", iCur);
|
|
iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_AUTOINDEX,bReset);
|
|
raw_printf(pArg->out, "Autoindex Inserts: %d\n", iCur);
|
|
iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_VM_STEP, bReset);
|
|
raw_printf(pArg->out, "Virtual Machine Steps: %d\n", iCur);
|
|
}
|
|
|
|
#ifdef __linux__
|
|
displayLinuxIoStats(pArg->out);
|
|
#endif
|
|
|
|
/* Do not remove this machine readable comment: extra-stats-output-here */
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
** Display scan stats.
|
|
*/
|
|
static void display_scanstats(
|
|
sqlite3 *db, /* Database to query */
|
|
ShellState *pArg /* Pointer to ShellState */
|
|
){
|
|
#ifndef SQLITE_ENABLE_STMT_SCANSTATUS
|
|
UNUSED_PARAMETER(db);
|
|
UNUSED_PARAMETER(pArg);
|
|
#else
|
|
int i, k, n, mx;
|
|
raw_printf(pArg->out, "-------- scanstats --------\n");
|
|
mx = 0;
|
|
for(k=0; k<=mx; k++){
|
|
double rEstLoop = 1.0;
|
|
for(i=n=0; 1; i++){
|
|
sqlite3_stmt *p = pArg->pStmt;
|
|
sqlite3_int64 nLoop, nVisit;
|
|
double rEst;
|
|
int iSid;
|
|
const char *zExplain;
|
|
if( sqlite3_stmt_scanstatus(p, i, SQLITE_SCANSTAT_NLOOP, (void*)&nLoop) ){
|
|
break;
|
|
}
|
|
sqlite3_stmt_scanstatus(p, i, SQLITE_SCANSTAT_SELECTID, (void*)&iSid);
|
|
if( iSid>mx ) mx = iSid;
|
|
if( iSid!=k ) continue;
|
|
if( n==0 ){
|
|
rEstLoop = (double)nLoop;
|
|
if( k>0 ) raw_printf(pArg->out, "-------- subquery %d -------\n", k);
|
|
}
|
|
n++;
|
|
sqlite3_stmt_scanstatus(p, i, SQLITE_SCANSTAT_NVISIT, (void*)&nVisit);
|
|
sqlite3_stmt_scanstatus(p, i, SQLITE_SCANSTAT_EST, (void*)&rEst);
|
|
sqlite3_stmt_scanstatus(p, i, SQLITE_SCANSTAT_EXPLAIN, (void*)&zExplain);
|
|
utf8_printf(pArg->out, "Loop %2d: %s\n", n, zExplain);
|
|
rEstLoop *= rEst;
|
|
raw_printf(pArg->out,
|
|
" nLoop=%-8lld nRow=%-8lld estRow=%-8lld estRow/Loop=%-8g\n",
|
|
nLoop, nVisit, (sqlite3_int64)(rEstLoop+0.5), rEst
|
|
);
|
|
}
|
|
}
|
|
raw_printf(pArg->out, "---------------------------\n");
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
** Parameter azArray points to a zero-terminated array of strings. zStr
|
|
** points to a single nul-terminated string. Return non-zero if zStr
|
|
** is equal, according to strcmp(), to any of the strings in the array.
|
|
** Otherwise, return zero.
|
|
*/
|
|
static int str_in_array(const char *zStr, const char **azArray){
|
|
int i;
|
|
for(i=0; azArray[i]; i++){
|
|
if( 0==strcmp(zStr, azArray[i]) ) return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
** If compiled statement pSql appears to be an EXPLAIN statement, allocate
|
|
** and populate the ShellState.aiIndent[] array with the number of
|
|
** spaces each opcode should be indented before it is output.
|
|
**
|
|
** The indenting rules are:
|
|
**
|
|
** * For each "Next", "Prev", "VNext" or "VPrev" instruction, indent
|
|
** all opcodes that occur between the p2 jump destination and the opcode
|
|
** itself by 2 spaces.
|
|
**
|
|
** * For each "Goto", if the jump destination is earlier in the program
|
|
** and ends on one of:
|
|
** Yield SeekGt SeekLt RowSetRead Rewind
|
|
** or if the P1 parameter is one instead of zero,
|
|
** then indent all opcodes between the earlier instruction
|
|
** and "Goto" by 2 spaces.
|
|
*/
|
|
static void explain_data_prepare(ShellState *p, sqlite3_stmt *pSql){
|
|
const char *zSql; /* The text of the SQL statement */
|
|
const char *z; /* Used to check if this is an EXPLAIN */
|
|
int *abYield = 0; /* True if op is an OP_Yield */
|
|
int nAlloc = 0; /* Allocated size of p->aiIndent[], abYield */
|
|
int iOp; /* Index of operation in p->aiIndent[] */
|
|
|
|
const char *azNext[] = { "Next", "Prev", "VPrev", "VNext", "SorterNext",
|
|
"NextIfOpen", "PrevIfOpen", 0 };
|
|
const char *azYield[] = { "Yield", "SeekLT", "SeekGT", "RowSetRead",
|
|
"Rewind", 0 };
|
|
const char *azGoto[] = { "Goto", 0 };
|
|
|
|
/* Try to figure out if this is really an EXPLAIN statement. If this
|
|
** cannot be verified, return early. */
|
|
if( sqlite3_column_count(pSql)!=8 ){
|
|
p->cMode = p->mode;
|
|
return;
|
|
}
|
|
zSql = sqlite3_sql(pSql);
|
|
if( zSql==0 ) return;
|
|
for(z=zSql; *z==' ' || *z=='\t' || *z=='\n' || *z=='\f' || *z=='\r'; z++);
|
|
if( sqlite3_strnicmp(z, "explain", 7) ){
|
|
p->cMode = p->mode;
|
|
return;
|
|
}
|
|
|
|
for(iOp=0; SQLITE_ROW==sqlite3_step(pSql); iOp++){
|
|
int i;
|
|
int iAddr = sqlite3_column_int(pSql, 0);
|
|
const char *zOp = (const char*)sqlite3_column_text(pSql, 1);
|
|
|
|
/* Set p2 to the P2 field of the current opcode. Then, assuming that
|
|
** p2 is an instruction address, set variable p2op to the index of that
|
|
** instruction in the aiIndent[] array. p2 and p2op may be different if
|
|
** the current instruction is part of a sub-program generated by an
|
|
** SQL trigger or foreign key. */
|
|
int p2 = sqlite3_column_int(pSql, 3);
|
|
int p2op = (p2 + (iOp-iAddr));
|
|
|
|
/* Grow the p->aiIndent array as required */
|
|
if( iOp>=nAlloc ){
|
|
if( iOp==0 ){
|
|
/* Do further verfication that this is explain output. Abort if
|
|
** it is not */
|
|
static const char *explainCols[] = {
|
|
"addr", "opcode", "p1", "p2", "p3", "p4", "p5", "comment" };
|
|
int jj;
|
|
for(jj=0; jj<ArraySize(explainCols); jj++){
|
|
if( strcmp(sqlite3_column_name(pSql,jj),explainCols[jj])!=0 ){
|
|
p->cMode = p->mode;
|
|
sqlite3_reset(pSql);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
nAlloc += 100;
|
|
p->aiIndent = (int*)sqlite3_realloc64(p->aiIndent, nAlloc*sizeof(int));
|
|
abYield = (int*)sqlite3_realloc64(abYield, nAlloc*sizeof(int));
|
|
}
|
|
abYield[iOp] = str_in_array(zOp, azYield);
|
|
p->aiIndent[iOp] = 0;
|
|
p->nIndent = iOp+1;
|
|
|
|
if( str_in_array(zOp, azNext) ){
|
|
for(i=p2op; i<iOp; i++) p->aiIndent[i] += 2;
|
|
}
|
|
if( str_in_array(zOp, azGoto) && p2op<p->nIndent
|
|
&& (abYield[p2op] || sqlite3_column_int(pSql, 2))
|
|
){
|
|
for(i=p2op; i<iOp; i++) p->aiIndent[i] += 2;
|
|
}
|
|
}
|
|
|
|
p->iIndent = 0;
|
|
sqlite3_free(abYield);
|
|
sqlite3_reset(pSql);
|
|
}
|
|
|
|
/*
|
|
** Free the array allocated by explain_data_prepare().
|
|
*/
|
|
static void explain_data_delete(ShellState *p){
|
|
sqlite3_free(p->aiIndent);
|
|
p->aiIndent = 0;
|
|
p->nIndent = 0;
|
|
p->iIndent = 0;
|
|
}
|
|
|
|
/*
|
|
** Disable and restore .wheretrace and .selecttrace settings.
|
|
*/
|
|
#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_SELECTTRACE)
|
|
extern int sqlite3SelectTrace;
|
|
static int savedSelectTrace;
|
|
#endif
|
|
#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE)
|
|
extern int sqlite3WhereTrace;
|
|
static int savedWhereTrace;
|
|
#endif
|
|
static void disable_debug_trace_modes(void){
|
|
#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_SELECTTRACE)
|
|
savedSelectTrace = sqlite3SelectTrace;
|
|
sqlite3SelectTrace = 0;
|
|
#endif
|
|
#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE)
|
|
savedWhereTrace = sqlite3WhereTrace;
|
|
sqlite3WhereTrace = 0;
|
|
#endif
|
|
}
|
|
static void restore_debug_trace_modes(void){
|
|
#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_SELECTTRACE)
|
|
sqlite3SelectTrace = savedSelectTrace;
|
|
#endif
|
|
#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE)
|
|
sqlite3WhereTrace = savedWhereTrace;
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
** Run a prepared statement
|
|
*/
|
|
static void exec_prepared_stmt(
|
|
ShellState *pArg, /* Pointer to ShellState */
|
|
sqlite3_stmt *pStmt, /* Statment to run */
|
|
int (*xCallback)(void*,int,char**,char**,int*) /* Callback function */
|
|
){
|
|
int rc;
|
|
|
|
/* perform the first step. this will tell us if we
|
|
** have a result set or not and how wide it is.
|
|
*/
|
|
rc = sqlite3_step(pStmt);
|
|
/* if we have a result set... */
|
|
if( SQLITE_ROW == rc ){
|
|
/* if we have a callback... */
|
|
if( xCallback ){
|
|
/* allocate space for col name ptr, value ptr, and type */
|
|
int nCol = sqlite3_column_count(pStmt);
|
|
void *pData = sqlite3_malloc64(3*nCol*sizeof(const char*) + 1);
|
|
if( !pData ){
|
|
rc = SQLITE_NOMEM;
|
|
}else{
|
|
char **azCols = (char **)pData; /* Names of result columns */
|
|
char **azVals = &azCols[nCol]; /* Results */
|
|
int *aiTypes = (int *)&azVals[nCol]; /* Result types */
|
|
int i, x;
|
|
assert(sizeof(int) <= sizeof(char *));
|
|
/* save off ptrs to column names */
|
|
for(i=0; i<nCol; i++){
|
|
azCols[i] = (char *)sqlite3_column_name(pStmt, i);
|
|
}
|
|
do{
|
|
/* extract the data and data types */
|
|
for(i=0; i<nCol; i++){
|
|
aiTypes[i] = x = sqlite3_column_type(pStmt, i);
|
|
if( x==SQLITE_BLOB && pArg && pArg->cMode==MODE_Insert ){
|
|
azVals[i] = "";
|
|
}else{
|
|
azVals[i] = (char*)sqlite3_column_text(pStmt, i);
|
|
}
|
|
if( !azVals[i] && (aiTypes[i]!=SQLITE_NULL) ){
|
|
rc = SQLITE_NOMEM;
|
|
break; /* from for */
|
|
}
|
|
} /* end for */
|
|
|
|
/* if data and types extracted successfully... */
|
|
if( SQLITE_ROW == rc ){
|
|
/* call the supplied callback with the result row data */
|
|
if( xCallback(pArg, nCol, azVals, azCols, aiTypes) ){
|
|
rc = SQLITE_ABORT;
|
|
}else{
|
|
rc = sqlite3_step(pStmt);
|
|
}
|
|
}
|
|
} while( SQLITE_ROW == rc );
|
|
sqlite3_free(pData);
|
|
}
|
|
}else{
|
|
do{
|
|
rc = sqlite3_step(pStmt);
|
|
} while( rc == SQLITE_ROW );
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
** Execute a statement or set of statements. Print
|
|
** any result rows/columns depending on the current mode
|
|
** set via the supplied callback.
|
|
**
|
|
** This is very similar to SQLite's built-in sqlite3_exec()
|
|
** function except it takes a slightly different callback
|
|
** and callback data argument.
|
|
*/
|
|
static int shell_exec(
|
|
sqlite3 *db, /* An open database */
|
|
const char *zSql, /* SQL to be evaluated */
|
|
int (*xCallback)(void*,int,char**,char**,int*), /* Callback function */
|
|
/* (not the same as sqlite3_exec) */
|
|
ShellState *pArg, /* Pointer to ShellState */
|
|
char **pzErrMsg /* Error msg written here */
|
|
){
|
|
sqlite3_stmt *pStmt = NULL; /* Statement to execute. */
|
|
int rc = SQLITE_OK; /* Return Code */
|
|
int rc2;
|
|
const char *zLeftover; /* Tail of unprocessed SQL */
|
|
|
|
if( pzErrMsg ){
|
|
*pzErrMsg = NULL;
|
|
}
|
|
|
|
while( zSql[0] && (SQLITE_OK == rc) ){
|
|
static const char *zStmtSql;
|
|
rc = sqlite3_prepare_v2(db, zSql, -1, &pStmt, &zLeftover);
|
|
if( SQLITE_OK != rc ){
|
|
if( pzErrMsg ){
|
|
*pzErrMsg = save_err_msg(db);
|
|
}
|
|
}else{
|
|
if( !pStmt ){
|
|
/* this happens for a comment or white-space */
|
|
zSql = zLeftover;
|
|
while( IsSpace(zSql[0]) ) zSql++;
|
|
continue;
|
|
}
|
|
zStmtSql = sqlite3_sql(pStmt);
|
|
while( IsSpace(zStmtSql[0]) ) zStmtSql++;
|
|
|
|
/* save off the prepared statment handle and reset row count */
|
|
if( pArg ){
|
|
pArg->pStmt = pStmt;
|
|
pArg->cnt = 0;
|
|
}
|
|
|
|
/* echo the sql statement if echo on */
|
|
if( pArg && pArg->echoOn ){
|
|
utf8_printf(pArg->out, "%s\n", zStmtSql ? zStmtSql : zSql);
|
|
}
|
|
|
|
/* Show the EXPLAIN QUERY PLAN if .eqp is on */
|
|
if( pArg && pArg->autoEQP && sqlite3_strlike("EXPLAIN%",zStmtSql,0)!=0 ){
|
|
sqlite3_stmt *pExplain;
|
|
char *zEQP;
|
|
disable_debug_trace_modes();
|
|
zEQP = sqlite3_mprintf("EXPLAIN QUERY PLAN %s", zStmtSql);
|
|
rc = sqlite3_prepare_v2(db, zEQP, -1, &pExplain, 0);
|
|
if( rc==SQLITE_OK ){
|
|
while( sqlite3_step(pExplain)==SQLITE_ROW ){
|
|
raw_printf(pArg->out,"--EQP-- %d,",sqlite3_column_int(pExplain, 0));
|
|
raw_printf(pArg->out,"%d,", sqlite3_column_int(pExplain, 1));
|
|
raw_printf(pArg->out,"%d,", sqlite3_column_int(pExplain, 2));
|
|
utf8_printf(pArg->out,"%s\n", sqlite3_column_text(pExplain, 3));
|
|
}
|
|
}
|
|
sqlite3_finalize(pExplain);
|
|
sqlite3_free(zEQP);
|
|
if( pArg->autoEQP>=2 ){
|
|
/* Also do an EXPLAIN for ".eqp full" mode */
|
|
zEQP = sqlite3_mprintf("EXPLAIN %s", zStmtSql);
|
|
rc = sqlite3_prepare_v2(db, zEQP, -1, &pExplain, 0);
|
|
if( rc==SQLITE_OK ){
|
|
pArg->cMode = MODE_Explain;
|
|
explain_data_prepare(pArg, pExplain);
|
|
exec_prepared_stmt(pArg, pExplain, xCallback);
|
|
explain_data_delete(pArg);
|
|
}
|
|
sqlite3_finalize(pExplain);
|
|
sqlite3_free(zEQP);
|
|
}
|
|
restore_debug_trace_modes();
|
|
}
|
|
|
|
if( pArg ){
|
|
pArg->cMode = pArg->mode;
|
|
if( pArg->autoExplain
|
|
&& sqlite3_column_count(pStmt)==8
|
|
&& sqlite3_strlike("EXPLAIN%", zStmtSql,0)==0
|
|
){
|
|
pArg->cMode = MODE_Explain;
|
|
}
|
|
|
|
/* If the shell is currently in ".explain" mode, gather the extra
|
|
** data required to add indents to the output.*/
|
|
if( pArg->cMode==MODE_Explain ){
|
|
explain_data_prepare(pArg, pStmt);
|
|
}
|
|
}
|
|
|
|
exec_prepared_stmt(pArg, pStmt, xCallback);
|
|
explain_data_delete(pArg);
|
|
|
|
/* print usage stats if stats on */
|
|
if( pArg && pArg->statsOn ){
|
|
display_stats(db, pArg, 0);
|
|
}
|
|
|
|
/* print loop-counters if required */
|
|
if( pArg && pArg->scanstatsOn ){
|
|
display_scanstats(db, pArg);
|
|
}
|
|
|
|
/* Finalize the statement just executed. If this fails, save a
|
|
** copy of the error message. Otherwise, set zSql to point to the
|
|
** next statement to execute. */
|
|
rc2 = sqlite3_finalize(pStmt);
|
|
if( rc!=SQLITE_NOMEM ) rc = rc2;
|
|
if( rc==SQLITE_OK ){
|
|
zSql = zLeftover;
|
|
while( IsSpace(zSql[0]) ) zSql++;
|
|
}else if( pzErrMsg ){
|
|
*pzErrMsg = save_err_msg(db);
|
|
}
|
|
|
|
/* clear saved stmt handle */
|
|
if( pArg ){
|
|
pArg->pStmt = NULL;
|
|
}
|
|
}
|
|
} /* end while */
|
|
|
|
return rc;
|
|
}
|
|
|
|
|
|
/*
|
|
** This is a different callback routine used for dumping the database.
|
|
** Each row received by this callback consists of a table name,
|
|
** the table type ("index" or "table") and SQL to create the table.
|
|
** This routine should print text sufficient to recreate the table.
|
|
*/
|
|
static int dump_callback(void *pArg, int nArg, char **azArg, char **azCol){
|
|
int rc;
|
|
const char *zTable;
|
|
const char *zType;
|
|
const char *zSql;
|
|
const char *zPrepStmt = 0;
|
|
ShellState *p = (ShellState *)pArg;
|
|
|
|
UNUSED_PARAMETER(azCol);
|
|
if( nArg!=3 ) return 1;
|
|
zTable = azArg[0];
|
|
zType = azArg[1];
|
|
zSql = azArg[2];
|
|
|
|
if( strcmp(zTable, "sqlite_sequence")==0 ){
|
|
zPrepStmt = "DELETE FROM sqlite_sequence;\n";
|
|
}else if( sqlite3_strglob("sqlite_stat?", zTable)==0 ){
|
|
raw_printf(p->out, "ANALYZE sqlite_master;\n");
|
|
}else if( strncmp(zTable, "sqlite_", 7)==0 ){
|
|
return 0;
|
|
}else if( strncmp(zSql, "CREATE VIRTUAL TABLE", 20)==0 ){
|
|
char *zIns;
|
|
if( !p->writableSchema ){
|
|
raw_printf(p->out, "PRAGMA writable_schema=ON;\n");
|
|
p->writableSchema = 1;
|
|
}
|
|
zIns = sqlite3_mprintf(
|
|
"INSERT INTO sqlite_master(type,name,tbl_name,rootpage,sql)"
|
|
"VALUES('table','%q','%q',0,'%q');",
|
|
zTable, zTable, zSql);
|
|
utf8_printf(p->out, "%s\n", zIns);
|
|
sqlite3_free(zIns);
|
|
return 0;
|
|
}else{
|
|
utf8_printf(p->out, "%s;\n", zSql);
|
|
}
|
|
|
|
if( strcmp(zType, "table")==0 ){
|
|
sqlite3_stmt *pTableInfo = 0;
|
|
char *zSelect = 0;
|
|
char *zTableInfo = 0;
|
|
char *zTmp = 0;
|
|
int nRow = 0;
|
|
|
|
zTableInfo = appendText(zTableInfo, "PRAGMA table_info(", 0);
|
|
zTableInfo = appendText(zTableInfo, zTable, '"');
|
|
zTableInfo = appendText(zTableInfo, ");", 0);
|
|
|
|
rc = sqlite3_prepare_v2(p->db, zTableInfo, -1, &pTableInfo, 0);
|
|
free(zTableInfo);
|
|
if( rc!=SQLITE_OK || !pTableInfo ){
|
|
return 1;
|
|
}
|
|
|
|
zSelect = appendText(zSelect, "SELECT 'INSERT INTO ' || ", 0);
|
|
/* Always quote the table name, even if it appears to be pure ascii,
|
|
** in case it is a keyword. Ex: INSERT INTO "table" ... */
|
|
zTmp = appendText(zTmp, zTable, '"');
|
|
if( zTmp ){
|
|
zSelect = appendText(zSelect, zTmp, '\'');
|
|
free(zTmp);
|
|
}
|
|
zSelect = appendText(zSelect, " || ' VALUES(' || ", 0);
|
|
rc = sqlite3_step(pTableInfo);
|
|
while( rc==SQLITE_ROW ){
|
|
const char *zText = (const char *)sqlite3_column_text(pTableInfo, 1);
|
|
zSelect = appendText(zSelect, "quote(", 0);
|
|
zSelect = appendText(zSelect, zText, '"');
|
|
rc = sqlite3_step(pTableInfo);
|
|
if( rc==SQLITE_ROW ){
|
|
zSelect = appendText(zSelect, "), ", 0);
|
|
}else{
|
|
zSelect = appendText(zSelect, ") ", 0);
|
|
}
|
|
nRow++;
|
|
}
|
|
rc = sqlite3_finalize(pTableInfo);
|
|
if( rc!=SQLITE_OK || nRow==0 ){
|
|
free(zSelect);
|
|
return 1;
|
|
}
|
|
zSelect = appendText(zSelect, "|| ')' FROM ", 0);
|
|
zSelect = appendText(zSelect, zTable, '"');
|
|
|
|
rc = run_table_dump_query(p, zSelect, zPrepStmt);
|
|
if( rc==SQLITE_CORRUPT ){
|
|
zSelect = appendText(zSelect, " ORDER BY rowid DESC", 0);
|
|
run_table_dump_query(p, zSelect, 0);
|
|
}
|
|
free(zSelect);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
** Run zQuery. Use dump_callback() as the callback routine so that
|
|
** the contents of the query are output as SQL statements.
|
|
**
|
|
** If we get a SQLITE_CORRUPT error, rerun the query after appending
|
|
** "ORDER BY rowid DESC" to the end.
|
|
*/
|
|
static int run_schema_dump_query(
|
|
ShellState *p,
|
|
const char *zQuery
|
|
){
|
|
int rc;
|
|
char *zErr = 0;
|
|
rc = sqlite3_exec(p->db, zQuery, dump_callback, p, &zErr);
|
|
if( rc==SQLITE_CORRUPT ){
|
|
char *zQ2;
|
|
int len = strlen30(zQuery);
|
|
raw_printf(p->out, "/****** CORRUPTION ERROR *******/\n");
|
|
if( zErr ){
|
|
utf8_printf(p->out, "/****** %s ******/\n", zErr);
|
|
sqlite3_free(zErr);
|
|
zErr = 0;
|
|
}
|
|
zQ2 = malloc( len+100 );
|
|
if( zQ2==0 ) return rc;
|
|
sqlite3_snprintf(len+100, zQ2, "%s ORDER BY rowid DESC", zQuery);
|
|
rc = sqlite3_exec(p->db, zQ2, dump_callback, p, &zErr);
|
|
if( rc ){
|
|
utf8_printf(p->out, "/****** ERROR: %s ******/\n", zErr);
|
|
}else{
|
|
rc = SQLITE_CORRUPT;
|
|
}
|
|
sqlite3_free(zErr);
|
|
free(zQ2);
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
/*
|
|
** Text of a help message
|
|
*/
|
|
static char zHelp[] =
|
|
".auth ON|OFF Show authorizer callbacks\n"
|
|
".backup ?DB? FILE Backup DB (default \"main\") to FILE\n"
|
|
".bail on|off Stop after hitting an error. Default OFF\n"
|
|
".binary on|off Turn binary output on or off. Default OFF\n"
|
|
".changes on|off Show number of rows changed by SQL\n"
|
|
".clone NEWDB Clone data into NEWDB from the existing database\n"
|
|
".databases List names and files of attached databases\n"
|
|
".dbinfo ?DB? Show status information about the database\n"
|
|
".dump ?TABLE? ... Dump the database in an SQL text format\n"
|
|
" If TABLE specified, only dump tables matching\n"
|
|
" LIKE pattern TABLE.\n"
|
|
".echo on|off Turn command echo on or off\n"
|
|
".eqp on|off|full Enable or disable automatic EXPLAIN QUERY PLAN\n"
|
|
".exit Exit this program\n"
|
|
".explain ?on|off|auto? Turn EXPLAIN output mode on or off or to automatic\n"
|
|
".fullschema ?--indent? Show schema and the content of sqlite_stat tables\n"
|
|
".headers on|off Turn display of headers on or off\n"
|
|
".help Show this message\n"
|
|
".import FILE TABLE Import data from FILE into TABLE\n"
|
|
".indexes ?TABLE? Show names of all indexes\n"
|
|
" If TABLE specified, only show indexes for tables\n"
|
|
" matching LIKE pattern TABLE.\n"
|
|
#ifdef SQLITE_ENABLE_IOTRACE
|
|
".iotrace FILE Enable I/O diagnostic logging to FILE\n"
|
|
#endif
|
|
".limit ?LIMIT? ?VAL? Display or change the value of an SQLITE_LIMIT\n"
|
|
#ifndef SQLITE_OMIT_LOAD_EXTENSION
|
|
".load FILE ?ENTRY? Load an extension library\n"
|
|
#endif
|
|
".log FILE|off Turn logging on or off. FILE can be stderr/stdout\n"
|
|
".mode MODE ?TABLE? Set output mode where MODE is one of:\n"
|
|
" ascii Columns/rows delimited by 0x1F and 0x1E\n"
|
|
" csv Comma-separated values\n"
|
|
" column Left-aligned columns. (See .width)\n"
|
|
" html HTML <table> code\n"
|
|
" insert SQL insert statements for TABLE\n"
|
|
" line One value per line\n"
|
|
" list Values delimited by .separator strings\n"
|
|
" tabs Tab-separated values\n"
|
|
" tcl TCL list elements\n"
|
|
".nullvalue STRING Use STRING in place of NULL values\n"
|
|
".once FILENAME Output for the next SQL command only to FILENAME\n"
|
|
".open ?FILENAME? Close existing database and reopen FILENAME\n"
|
|
".output ?FILENAME? Send output to FILENAME or stdout\n"
|
|
".print STRING... Print literal STRING\n"
|
|
".prompt MAIN CONTINUE Replace the standard prompts\n"
|
|
".quit Exit this program\n"
|
|
".read FILENAME Execute SQL in FILENAME\n"
|
|
".restore ?DB? FILE Restore content of DB (default \"main\") from FILE\n"
|
|
".save FILE Write in-memory database into FILE\n"
|
|
".scanstats on|off Turn sqlite3_stmt_scanstatus() metrics on or off\n"
|
|
".schema ?PATTERN? Show the CREATE statements matching PATTERN\n"
|
|
" Add --indent for pretty-printing\n"
|
|
".separator COL ?ROW? Change the column separator and optionally the row\n"
|
|
" separator for both the output mode and .import\n"
|
|
#if defined(SQLITE_ENABLE_SESSION)
|
|
".session CMD ... Create or control sessions\n"
|
|
#endif
|
|
".shell CMD ARGS... Run CMD ARGS... in a system shell\n"
|
|
".show Show the current values for various settings\n"
|
|
".stats ?on|off? Show stats or turn stats on or off\n"
|
|
".system CMD ARGS... Run CMD ARGS... in a system shell\n"
|
|
".tables ?TABLE? List names of tables\n"
|
|
" If TABLE specified, only list tables matching\n"
|
|
" LIKE pattern TABLE.\n"
|
|
".timeout MS Try opening locked tables for MS milliseconds\n"
|
|
".timer on|off Turn SQL timer on or off\n"
|
|
".trace FILE|off Output each SQL statement as it is run\n"
|
|
".vfsinfo ?AUX? Information about the top-level VFS\n"
|
|
".vfslist List all available VFSes\n"
|
|
".vfsname ?AUX? Print the name of the VFS stack\n"
|
|
".width NUM1 NUM2 ... Set column widths for \"column\" mode\n"
|
|
" Negative values right-justify\n"
|
|
;
|
|
|
|
#if defined(SQLITE_ENABLE_SESSION)
|
|
/*
|
|
** Print help information for the ".sessions" command
|
|
*/
|
|
void session_help(ShellState *p){
|
|
raw_printf(p->out,
|
|
".session ?NAME? SUBCOMMAND ?ARGS...?\n"
|
|
"If ?NAME? is omitted, the first defined session is used.\n"
|
|
"Subcommands:\n"
|
|
" attach TABLE Attach TABLE\n"
|
|
" changeset FILE Write a changeset into FILE\n"
|
|
" close Close one session\n"
|
|
" enable ?BOOLEAN? Set or query the enable bit\n"
|
|
" filter GLOB... Reject tables matching GLOBs\n"
|
|
" indirect ?BOOLEAN? Mark or query the indirect status\n"
|
|
" isempty Query whether the session is empty\n"
|
|
" list List currently open session names\n"
|
|
" open DB NAME Open a new session on DB\n"
|
|
" patchset FILE Write a patchset into FILE\n"
|
|
);
|
|
}
|
|
#endif
|
|
|
|
|
|
/* Forward reference */
|
|
static int process_input(ShellState *p, FILE *in);
|
|
/*
|
|
** Implementation of the "readfile(X)" SQL function. The entire content
|
|
** of the file named X is read and returned as a BLOB. NULL is returned
|
|
** if the file does not exist or is unreadable.
|
|
*/
|
|
static void readfileFunc(
|
|
sqlite3_context *context,
|
|
int argc,
|
|
sqlite3_value **argv
|
|
){
|
|
const char *zName;
|
|
FILE *in;
|
|
long nIn;
|
|
void *pBuf;
|
|
|
|
UNUSED_PARAMETER(argc);
|
|
zName = (const char*)sqlite3_value_text(argv[0]);
|
|
if( zName==0 ) return;
|
|
in = fopen(zName, "rb");
|
|
if( in==0 ) return;
|
|
fseek(in, 0, SEEK_END);
|
|
nIn = ftell(in);
|
|
rewind(in);
|
|
pBuf = sqlite3_malloc64( nIn );
|
|
if( pBuf && 1==fread(pBuf, nIn, 1, in) ){
|
|
sqlite3_result_blob(context, pBuf, nIn, sqlite3_free);
|
|
}else{
|
|
sqlite3_free(pBuf);
|
|
}
|
|
fclose(in);
|
|
}
|
|
|
|
/*
|
|
** Implementation of the "writefile(X,Y)" SQL function. The argument Y
|
|
** is written into file X. The number of bytes written is returned. Or
|
|
** NULL is returned if something goes wrong, such as being unable to open
|
|
** file X for writing.
|
|
*/
|
|
static void writefileFunc(
|
|
sqlite3_context *context,
|
|
int argc,
|
|
sqlite3_value **argv
|
|
){
|
|
FILE *out;
|
|
const char *z;
|
|
sqlite3_int64 rc;
|
|
const char *zFile;
|
|
|
|
UNUSED_PARAMETER(argc);
|
|
zFile = (const char*)sqlite3_value_text(argv[0]);
|
|
if( zFile==0 ) return;
|
|
out = fopen(zFile, "wb");
|
|
if( out==0 ) return;
|
|
z = (const char*)sqlite3_value_blob(argv[1]);
|
|
if( z==0 ){
|
|
rc = 0;
|
|
}else{
|
|
rc = fwrite(z, 1, sqlite3_value_bytes(argv[1]), out);
|
|
}
|
|
fclose(out);
|
|
sqlite3_result_int64(context, rc);
|
|
}
|
|
|
|
#if defined(SQLITE_ENABLE_SESSION)
|
|
/*
|
|
** Close a single OpenSession object and release all of its associated
|
|
** resources.
|
|
*/
|
|
static void session_close(OpenSession *pSession){
|
|
int i;
|
|
sqlite3session_delete(pSession->p);
|
|
sqlite3_free(pSession->zName);
|
|
for(i=0; i<pSession->nFilter; i++){
|
|
sqlite3_free(pSession->azFilter[i]);
|
|
}
|
|
sqlite3_free(pSession->azFilter);
|
|
memset(pSession, 0, sizeof(OpenSession));
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
** Close all OpenSession objects and release all associated resources.
|
|
*/
|
|
#if defined(SQLITE_ENABLE_SESSION)
|
|
static void session_close_all(ShellState *p){
|
|
int i;
|
|
for(i=0; i<p->nSession; i++){
|
|
session_close(&p->aSession[i]);
|
|
}
|
|
p->nSession = 0;
|
|
}
|
|
#else
|
|
# define session_close_all(X)
|
|
#endif
|
|
|
|
/*
|
|
** Implementation of the xFilter function for an open session. Omit
|
|
** any tables named by ".session filter" but let all other table through.
|
|
*/
|
|
#if defined(SQLITE_ENABLE_SESSION)
|
|
static int session_filter(void *pCtx, const char *zTab){
|
|
OpenSession *pSession = (OpenSession*)pCtx;
|
|
int i;
|
|
for(i=0; i<pSession->nFilter; i++){
|
|
if( sqlite3_strglob(pSession->azFilter[i], zTab)==0 ) return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
** Make sure the database is open. If it is not, then open it. If
|
|
** the database fails to open, print an error message and exit.
|
|
*/
|
|
static void open_db(ShellState *p, int keepAlive){
|
|
if( p->db==0 ){
|
|
sqlite3_initialize();
|
|
sqlite3_open(p->zDbFilename, &p->db);
|
|
globalDb = p->db;
|
|
if( p->db && sqlite3_errcode(p->db)==SQLITE_OK ){
|
|
sqlite3_create_function(p->db, "shellstatic", 0, SQLITE_UTF8, 0,
|
|
shellstaticFunc, 0, 0);
|
|
}
|
|
if( p->db==0 || SQLITE_OK!=sqlite3_errcode(p->db) ){
|
|
utf8_printf(stderr,"Error: unable to open database \"%s\": %s\n",
|
|
p->zDbFilename, sqlite3_errmsg(p->db));
|
|
if( keepAlive ) return;
|
|
exit(1);
|
|
}
|
|
#ifndef SQLITE_OMIT_LOAD_EXTENSION
|
|
sqlite3_enable_load_extension(p->db, 1);
|
|
#endif
|
|
sqlite3_create_function(p->db, "readfile", 1, SQLITE_UTF8, 0,
|
|
readfileFunc, 0, 0);
|
|
sqlite3_create_function(p->db, "writefile", 2, SQLITE_UTF8, 0,
|
|
writefileFunc, 0, 0);
|
|
}
|
|
}
|
|
|
|
/*
|
|
** Do C-language style dequoting.
|
|
**
|
|
** \a -> alarm
|
|
** \b -> backspace
|
|
** \t -> tab
|
|
** \n -> newline
|
|
** \v -> vertical tab
|
|
** \f -> form feed
|
|
** \r -> carriage return
|
|
** \s -> space
|
|
** \" -> "
|
|
** \' -> '
|
|
** \\ -> backslash
|
|
** \NNN -> ascii character NNN in octal
|
|
*/
|
|
static void resolve_backslashes(char *z){
|
|
int i, j;
|
|
char c;
|
|
while( *z && *z!='\\' ) z++;
|
|
for(i=j=0; (c = z[i])!=0; i++, j++){
|
|
if( c=='\\' && z[i+1]!=0 ){
|
|
c = z[++i];
|
|
if( c=='a' ){
|
|
c = '\a';
|
|
}else if( c=='b' ){
|
|
c = '\b';
|
|
}else if( c=='t' ){
|
|
c = '\t';
|
|
}else if( c=='n' ){
|
|
c = '\n';
|
|
}else if( c=='v' ){
|
|
c = '\v';
|
|
}else if( c=='f' ){
|
|
c = '\f';
|
|
}else if( c=='r' ){
|
|
c = '\r';
|
|
}else if( c=='"' ){
|
|
c = '"';
|
|
}else if( c=='\'' ){
|
|
c = '\'';
|
|
}else if( c=='\\' ){
|
|
c = '\\';
|
|
}else if( c>='0' && c<='7' ){
|
|
c -= '0';
|
|
if( z[i+1]>='0' && z[i+1]<='7' ){
|
|
i++;
|
|
c = (c<<3) + z[i] - '0';
|
|
if( z[i+1]>='0' && z[i+1]<='7' ){
|
|
i++;
|
|
c = (c<<3) + z[i] - '0';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
z[j] = c;
|
|
}
|
|
if( j<i ) z[j] = 0;
|
|
}
|
|
|
|
/*
|
|
** Return the value of a hexadecimal digit. Return -1 if the input
|
|
** is not a hex digit.
|
|
*/
|
|
static int hexDigitValue(char c){
|
|
if( c>='0' && c<='9' ) return c - '0';
|
|
if( c>='a' && c<='f' ) return c - 'a' + 10;
|
|
if( c>='A' && c<='F' ) return c - 'A' + 10;
|
|
return -1;
|
|
}
|
|
|
|
/*
|
|
** Interpret zArg as an integer value, possibly with suffixes.
|
|
*/
|
|
static sqlite3_int64 integerValue(const char *zArg){
|
|
sqlite3_int64 v = 0;
|
|
static const struct { char *zSuffix; int iMult; } aMult[] = {
|
|
{ "KiB", 1024 },
|
|
{ "MiB", 1024*1024 },
|
|
{ "GiB", 1024*1024*1024 },
|
|
{ "KB", 1000 },
|
|
{ "MB", 1000000 },
|
|
{ "GB", 1000000000 },
|
|
{ "K", 1000 },
|
|
{ "M", 1000000 },
|
|
{ "G", 1000000000 },
|
|
};
|
|
int i;
|
|
int isNeg = 0;
|
|
if( zArg[0]=='-' ){
|
|
isNeg = 1;
|
|
zArg++;
|
|
}else if( zArg[0]=='+' ){
|
|
zArg++;
|
|
}
|
|
if( zArg[0]=='0' && zArg[1]=='x' ){
|
|
int x;
|
|
zArg += 2;
|
|
while( (x = hexDigitValue(zArg[0]))>=0 ){
|
|
v = (v<<4) + x;
|
|
zArg++;
|
|
}
|
|
}else{
|
|
while( IsDigit(zArg[0]) ){
|
|
v = v*10 + zArg[0] - '0';
|
|
zArg++;
|
|
}
|
|
}
|
|
for(i=0; i<ArraySize(aMult); i++){
|
|
if( sqlite3_stricmp(aMult[i].zSuffix, zArg)==0 ){
|
|
v *= aMult[i].iMult;
|
|
break;
|
|
}
|
|
}
|
|
return isNeg? -v : v;
|
|
}
|
|
|
|
/*
|
|
** Interpret zArg as either an integer or a boolean value. Return 1 or 0
|
|
** for TRUE and FALSE. Return the integer value if appropriate.
|
|
*/
|
|
static int booleanValue(char *zArg){
|
|
int i;
|
|
if( zArg[0]=='0' && zArg[1]=='x' ){
|
|
for(i=2; hexDigitValue(zArg[i])>=0; i++){}
|
|
}else{
|
|
for(i=0; zArg[i]>='0' && zArg[i]<='9'; i++){}
|
|
}
|
|
if( i>0 && zArg[i]==0 ) return (int)(integerValue(zArg) & 0xffffffff);
|
|
if( sqlite3_stricmp(zArg, "on")==0 || sqlite3_stricmp(zArg,"yes")==0 ){
|
|
return 1;
|
|
}
|
|
if( sqlite3_stricmp(zArg, "off")==0 || sqlite3_stricmp(zArg,"no")==0 ){
|
|
return 0;
|
|
}
|
|
utf8_printf(stderr, "ERROR: Not a boolean value: \"%s\". Assuming \"no\".\n",
|
|
zArg);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
** Close an output file, assuming it is not stderr or stdout
|
|
*/
|
|
static void output_file_close(FILE *f){
|
|
if( f && f!=stdout && f!=stderr ) fclose(f);
|
|
}
|
|
|
|
/*
|
|
** Try to open an output file. The names "stdout" and "stderr" are
|
|
** recognized and do the right thing. NULL is returned if the output
|
|
** filename is "off".
|
|
*/
|
|
static FILE *output_file_open(const char *zFile){
|
|
FILE *f;
|
|
if( strcmp(zFile,"stdout")==0 ){
|
|
f = stdout;
|
|
}else if( strcmp(zFile, "stderr")==0 ){
|
|
f = stderr;
|
|
}else if( strcmp(zFile, "off")==0 ){
|
|
f = 0;
|
|
}else{
|
|
f = fopen(zFile, "wb");
|
|
if( f==0 ){
|
|
utf8_printf(stderr, "Error: cannot open \"%s\"\n", zFile);
|
|
}
|
|
}
|
|
return f;
|
|
}
|
|
|
|
/*
|
|
** A routine for handling output from sqlite3_trace().
|
|
*/
|
|
static int sql_trace_callback(
|
|
unsigned mType,
|
|
void *pArg,
|
|
void *pP,
|
|
void *pX
|
|
){
|
|
FILE *f = (FILE*)pArg;
|
|
UNUSED_PARAMETER(mType);
|
|
UNUSED_PARAMETER(pP);
|
|
if( f ){
|
|
const char *z = (const char*)pX;
|
|
int i = (int)strlen(z);
|
|
while( i>0 && z[i-1]==';' ){ i--; }
|
|
utf8_printf(f, "%.*s;\n", i, z);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
** A no-op routine that runs with the ".breakpoint" doc-command. This is
|
|
** a useful spot to set a debugger breakpoint.
|
|
*/
|
|
static void test_breakpoint(void){
|
|
static int nCall = 0;
|
|
nCall++;
|
|
}
|
|
|
|
/*
|
|
** An object used to read a CSV and other files for import.
|
|
*/
|
|
typedef struct ImportCtx ImportCtx;
|
|
struct ImportCtx {
|
|
const char *zFile; /* Name of the input file */
|
|
FILE *in; /* Read the CSV text from this input stream */
|
|
char *z; /* Accumulated text for a field */
|
|
int n; /* Number of bytes in z */
|
|
int nAlloc; /* Space allocated for z[] */
|
|
int nLine; /* Current line number */
|
|
int cTerm; /* Character that terminated the most recent field */
|
|
int cColSep; /* The column separator character. (Usually ",") */
|
|
int cRowSep; /* The row separator character. (Usually "\n") */
|
|
};
|
|
|
|
/* Append a single byte to z[] */
|
|
static void import_append_char(ImportCtx *p, int c){
|
|
if( p->n+1>=p->nAlloc ){
|
|
p->nAlloc += p->nAlloc + 100;
|
|
p->z = sqlite3_realloc64(p->z, p->nAlloc);
|
|
if( p->z==0 ){
|
|
raw_printf(stderr, "out of memory\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
p->z[p->n++] = (char)c;
|
|
}
|
|
|
|
/* Read a single field of CSV text. Compatible with rfc4180 and extended
|
|
** with the option of having a separator other than ",".
|
|
**
|
|
** + Input comes from p->in.
|
|
** + Store results in p->z of length p->n. Space to hold p->z comes
|
|
** from sqlite3_malloc64().
|
|
** + Use p->cSep as the column separator. The default is ",".
|
|
** + Use p->rSep as the row separator. The default is "\n".
|
|
** + Keep track of the line number in p->nLine.
|
|
** + Store the character that terminates the field in p->cTerm. Store
|
|
** EOF on end-of-file.
|
|
** + Report syntax errors on stderr
|
|
*/
|
|
static char *SQLITE_CDECL csv_read_one_field(ImportCtx *p){
|
|
int c;
|
|
int cSep = p->cColSep;
|
|
int rSep = p->cRowSep;
|
|
p->n = 0;
|
|
c = fgetc(p->in);
|
|
if( c==EOF || seenInterrupt ){
|
|
p->cTerm = EOF;
|
|
return 0;
|
|
}
|
|
if( c=='"' ){
|
|
int pc, ppc;
|
|
int startLine = p->nLine;
|
|
int cQuote = c;
|
|
pc = ppc = 0;
|
|
while( 1 ){
|
|
c = fgetc(p->in);
|
|
if( c==rSep ) p->nLine++;
|
|
if( c==cQuote ){
|
|
if( pc==cQuote ){
|
|
pc = 0;
|
|
continue;
|
|
}
|
|
}
|
|
if( (c==cSep && pc==cQuote)
|
|
|| (c==rSep && pc==cQuote)
|
|
|| (c==rSep && pc=='\r' && ppc==cQuote)
|
|
|| (c==EOF && pc==cQuote)
|
|
){
|
|
do{ p->n--; }while( p->z[p->n]!=cQuote );
|
|
p->cTerm = c;
|
|
break;
|
|
}
|
|
if( pc==cQuote && c!='\r' ){
|
|
utf8_printf(stderr, "%s:%d: unescaped %c character\n",
|
|
p->zFile, p->nLine, cQuote);
|
|
}
|
|
if( c==EOF ){
|
|
utf8_printf(stderr, "%s:%d: unterminated %c-quoted field\n",
|
|
p->zFile, startLine, cQuote);
|
|
p->cTerm = c;
|
|
break;
|
|
}
|
|
import_append_char(p, c);
|
|
ppc = pc;
|
|
pc = c;
|
|
}
|
|
}else{
|
|
while( c!=EOF && c!=cSep && c!=rSep ){
|
|
import_append_char(p, c);
|
|
c = fgetc(p->in);
|
|
}
|
|
if( c==rSep ){
|
|
p->nLine++;
|
|
if( p->n>0 && p->z[p->n-1]=='\r' ) p->n--;
|
|
}
|
|
p->cTerm = c;
|
|
}
|
|
if( p->z ) p->z[p->n] = 0;
|
|
return p->z;
|
|
}
|
|
|
|
/* Read a single field of ASCII delimited text.
|
|
**
|
|
** + Input comes from p->in.
|
|
** + Store results in p->z of length p->n. Space to hold p->z comes
|
|
** from sqlite3_malloc64().
|
|
** + Use p->cSep as the column separator. The default is "\x1F".
|
|
** + Use p->rSep as the row separator. The default is "\x1E".
|
|
** + Keep track of the row number in p->nLine.
|
|
** + Store the character that terminates the field in p->cTerm. Store
|
|
** EOF on end-of-file.
|
|
** + Report syntax errors on stderr
|
|
*/
|
|
static char *SQLITE_CDECL ascii_read_one_field(ImportCtx *p){
|
|
int c;
|
|
int cSep = p->cColSep;
|
|
int rSep = p->cRowSep;
|
|
p->n = 0;
|
|
c = fgetc(p->in);
|
|
if( c==EOF || seenInterrupt ){
|
|
p->cTerm = EOF;
|
|
return 0;
|
|
}
|
|
while( c!=EOF && c!=cSep && c!=rSep ){
|
|
import_append_char(p, c);
|
|
c = fgetc(p->in);
|
|
}
|
|
if( c==rSep ){
|
|
p->nLine++;
|
|
}
|
|
p->cTerm = c;
|
|
if( p->z ) p->z[p->n] = 0;
|
|
return p->z;
|
|
}
|
|
|
|
/*
|
|
** Try to transfer data for table zTable. If an error is seen while
|
|
** moving forward, try to go backwards. The backwards movement won't
|
|
** work for WITHOUT ROWID tables.
|
|
*/
|
|
static void tryToCloneData(
|
|
ShellState *p,
|
|
sqlite3 *newDb,
|
|
const char *zTable
|
|
){
|
|
sqlite3_stmt *pQuery = 0;
|
|
sqlite3_stmt *pInsert = 0;
|
|
char *zQuery = 0;
|
|
char *zInsert = 0;
|
|
int rc;
|
|
int i, j, n;
|
|
int nTable = (int)strlen(zTable);
|
|
int k = 0;
|
|
int cnt = 0;
|
|
const int spinRate = 10000;
|
|
|
|
zQuery = sqlite3_mprintf("SELECT * FROM \"%w\"", zTable);
|
|
rc = sqlite3_prepare_v2(p->db, zQuery, -1, &pQuery, 0);
|
|
if( rc ){
|
|
utf8_printf(stderr, "Error %d: %s on [%s]\n",
|
|
sqlite3_extended_errcode(p->db), sqlite3_errmsg(p->db),
|
|
zQuery);
|
|
goto end_data_xfer;
|
|
}
|
|
n = sqlite3_column_count(pQuery);
|
|
zInsert = sqlite3_malloc64(200 + nTable + n*3);
|
|
if( zInsert==0 ){
|
|
raw_printf(stderr, "out of memory\n");
|
|
goto end_data_xfer;
|
|
}
|
|
sqlite3_snprintf(200+nTable,zInsert,
|
|
"INSERT OR IGNORE INTO \"%s\" VALUES(?", zTable);
|
|
i = (int)strlen(zInsert);
|
|
for(j=1; j<n; j++){
|
|
memcpy(zInsert+i, ",?", 2);
|
|
i += 2;
|
|
}
|
|
memcpy(zInsert+i, ");", 3);
|
|
rc = sqlite3_prepare_v2(newDb, zInsert, -1, &pInsert, 0);
|
|
if( rc ){
|
|
utf8_printf(stderr, "Error %d: %s on [%s]\n",
|
|
sqlite3_extended_errcode(newDb), sqlite3_errmsg(newDb),
|
|
zQuery);
|
|
goto end_data_xfer;
|
|
}
|
|
for(k=0; k<2; k++){
|
|
while( (rc = sqlite3_step(pQuery))==SQLITE_ROW ){
|
|
for(i=0; i<n; i++){
|
|
switch( sqlite3_column_type(pQuery, i) ){
|
|
case SQLITE_NULL: {
|
|
sqlite3_bind_null(pInsert, i+1);
|
|
break;
|
|
}
|
|
case SQLITE_INTEGER: {
|
|
sqlite3_bind_int64(pInsert, i+1, sqlite3_column_int64(pQuery,i));
|
|
break;
|
|
}
|
|
case SQLITE_FLOAT: {
|
|
sqlite3_bind_double(pInsert, i+1, sqlite3_column_double(pQuery,i));
|
|
break;
|
|
}
|
|
case SQLITE_TEXT: {
|
|
sqlite3_bind_text(pInsert, i+1,
|
|
(const char*)sqlite3_column_text(pQuery,i),
|
|
-1, SQLITE_STATIC);
|
|
break;
|
|
}
|
|
case SQLITE_BLOB: {
|
|
sqlite3_bind_blob(pInsert, i+1, sqlite3_column_blob(pQuery,i),
|
|
sqlite3_column_bytes(pQuery,i),
|
|
SQLITE_STATIC);
|
|
break;
|
|
}
|
|
}
|
|
} /* End for */
|
|
rc = sqlite3_step(pInsert);
|
|
if( rc!=SQLITE_OK && rc!=SQLITE_ROW && rc!=SQLITE_DONE ){
|
|
utf8_printf(stderr, "Error %d: %s\n", sqlite3_extended_errcode(newDb),
|
|
sqlite3_errmsg(newDb));
|
|
}
|
|
sqlite3_reset(pInsert);
|
|
cnt++;
|
|
if( (cnt%spinRate)==0 ){
|
|
printf("%c\b", "|/-\\"[(cnt/spinRate)%4]);
|
|
fflush(stdout);
|
|
}
|
|
} /* End while */
|
|
if( rc==SQLITE_DONE ) break;
|
|
sqlite3_finalize(pQuery);
|
|
sqlite3_free(zQuery);
|
|
zQuery = sqlite3_mprintf("SELECT * FROM \"%w\" ORDER BY rowid DESC;",
|
|
zTable);
|
|
rc = sqlite3_prepare_v2(p->db, zQuery, -1, &pQuery, 0);
|
|
if( rc ){
|
|
utf8_printf(stderr, "Warning: cannot step \"%s\" backwards", zTable);
|
|
break;
|
|
}
|
|
} /* End for(k=0...) */
|
|
|
|
end_data_xfer:
|
|
sqlite3_finalize(pQuery);
|
|
sqlite3_finalize(pInsert);
|
|
sqlite3_free(zQuery);
|
|
sqlite3_free(zInsert);
|
|
}
|
|
|
|
|
|
/*
|
|
** Try to transfer all rows of the schema that match zWhere. For
|
|
** each row, invoke xForEach() on the object defined by that row.
|
|
** If an error is encountered while moving forward through the
|
|
** sqlite_master table, try again moving backwards.
|
|
*/
|
|
static void tryToCloneSchema(
|
|
ShellState *p,
|
|
sqlite3 *newDb,
|
|
const char *zWhere,
|
|
void (*xForEach)(ShellState*,sqlite3*,const char*)
|
|
){
|
|
sqlite3_stmt *pQuery = 0;
|
|
char *zQuery = 0;
|
|
int rc;
|
|
const unsigned char *zName;
|
|
const unsigned char *zSql;
|
|
char *zErrMsg = 0;
|
|
|
|
zQuery = sqlite3_mprintf("SELECT name, sql FROM sqlite_master"
|
|
" WHERE %s", zWhere);
|
|
rc = sqlite3_prepare_v2(p->db, zQuery, -1, &pQuery, 0);
|
|
if( rc ){
|
|
utf8_printf(stderr, "Error: (%d) %s on [%s]\n",
|
|
sqlite3_extended_errcode(p->db), sqlite3_errmsg(p->db),
|
|
zQuery);
|
|
goto end_schema_xfer;
|
|
}
|
|
while( (rc = sqlite3_step(pQuery))==SQLITE_ROW ){
|
|
zName = sqlite3_column_text(pQuery, 0);
|
|
zSql = sqlite3_column_text(pQuery, 1);
|
|
printf("%s... ", zName); fflush(stdout);
|
|
sqlite3_exec(newDb, (const char*)zSql, 0, 0, &zErrMsg);
|
|
if( zErrMsg ){
|
|
utf8_printf(stderr, "Error: %s\nSQL: [%s]\n", zErrMsg, zSql);
|
|
sqlite3_free(zErrMsg);
|
|
zErrMsg = 0;
|
|
}
|
|
if( xForEach ){
|
|
xForEach(p, newDb, (const char*)zName);
|
|
}
|
|
printf("done\n");
|
|
}
|
|
if( rc!=SQLITE_DONE ){
|
|
sqlite3_finalize(pQuery);
|
|
sqlite3_free(zQuery);
|
|
zQuery = sqlite3_mprintf("SELECT name, sql FROM sqlite_master"
|
|
" WHERE %s ORDER BY rowid DESC", zWhere);
|
|
rc = sqlite3_prepare_v2(p->db, zQuery, -1, &pQuery, 0);
|
|
if( rc ){
|
|
utf8_printf(stderr, "Error: (%d) %s on [%s]\n",
|
|
sqlite3_extended_errcode(p->db), sqlite3_errmsg(p->db),
|
|
zQuery);
|
|
goto end_schema_xfer;
|
|
}
|
|
while( (rc = sqlite3_step(pQuery))==SQLITE_ROW ){
|
|
zName = sqlite3_column_text(pQuery, 0);
|
|
zSql = sqlite3_column_text(pQuery, 1);
|
|
printf("%s... ", zName); fflush(stdout);
|
|
sqlite3_exec(newDb, (const char*)zSql, 0, 0, &zErrMsg);
|
|
if( zErrMsg ){
|
|
utf8_printf(stderr, "Error: %s\nSQL: [%s]\n", zErrMsg, zSql);
|
|
sqlite3_free(zErrMsg);
|
|
zErrMsg = 0;
|
|
}
|
|
if( xForEach ){
|
|
xForEach(p, newDb, (const char*)zName);
|
|
}
|
|
printf("done\n");
|
|
}
|
|
}
|
|
end_schema_xfer:
|
|
sqlite3_finalize(pQuery);
|
|
sqlite3_free(zQuery);
|
|
}
|
|
|
|
/*
|
|
** Open a new database file named "zNewDb". Try to recover as much information
|
|
** as possible out of the main database (which might be corrupt) and write it
|
|
** into zNewDb.
|
|
*/
|
|
static void tryToClone(ShellState *p, const char *zNewDb){
|
|
int rc;
|
|
sqlite3 *newDb = 0;
|
|
if( access(zNewDb,0)==0 ){
|
|
utf8_printf(stderr, "File \"%s\" already exists.\n", zNewDb);
|
|
return;
|
|
}
|
|
rc = sqlite3_open(zNewDb, &newDb);
|
|
if( rc ){
|
|
utf8_printf(stderr, "Cannot create output database: %s\n",
|
|
sqlite3_errmsg(newDb));
|
|
}else{
|
|
sqlite3_exec(p->db, "PRAGMA writable_schema=ON;", 0, 0, 0);
|
|
sqlite3_exec(newDb, "BEGIN EXCLUSIVE;", 0, 0, 0);
|
|
tryToCloneSchema(p, newDb, "type='table'", tryToCloneData);
|
|
tryToCloneSchema(p, newDb, "type!='table'", 0);
|
|
sqlite3_exec(newDb, "COMMIT;", 0, 0, 0);
|
|
sqlite3_exec(p->db, "PRAGMA writable_schema=OFF;", 0, 0, 0);
|
|
}
|
|
sqlite3_close(newDb);
|
|
}
|
|
|
|
/*
|
|
** Change the output file back to stdout
|
|
*/
|
|
static void output_reset(ShellState *p){
|
|
if( p->outfile[0]=='|' ){
|
|
#ifndef SQLITE_OMIT_POPEN
|
|
pclose(p->out);
|
|
#endif
|
|
}else{
|
|
output_file_close(p->out);
|
|
}
|
|
p->outfile[0] = 0;
|
|
p->out = stdout;
|
|
}
|
|
|
|
/*
|
|
** Run an SQL command and return the single integer result.
|
|
*/
|
|
static int db_int(ShellState *p, const char *zSql){
|
|
sqlite3_stmt *pStmt;
|
|
int res = 0;
|
|
sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
|
|
if( pStmt && sqlite3_step(pStmt)==SQLITE_ROW ){
|
|
res = sqlite3_column_int(pStmt,0);
|
|
}
|
|
sqlite3_finalize(pStmt);
|
|
return res;
|
|
}
|
|
|
|
/*
|
|
** Convert a 2-byte or 4-byte big-endian integer into a native integer
|
|
*/
|
|
static unsigned int get2byteInt(unsigned char *a){
|
|
return (a[0]<<8) + a[1];
|
|
}
|
|
static unsigned int get4byteInt(unsigned char *a){
|
|
return (a[0]<<24) + (a[1]<<16) + (a[2]<<8) + a[3];
|
|
}
|
|
|
|
/*
|
|
** Implementation of the ".info" command.
|
|
**
|
|
** Return 1 on error, 2 to exit, and 0 otherwise.
|
|
*/
|
|
static int shell_dbinfo_command(ShellState *p, int nArg, char **azArg){
|
|
static const struct { const char *zName; int ofst; } aField[] = {
|
|
{ "file change counter:", 24 },
|
|
{ "database page count:", 28 },
|
|
{ "freelist page count:", 36 },
|
|
{ "schema cookie:", 40 },
|
|
{ "schema format:", 44 },
|
|
{ "default cache size:", 48 },
|
|
{ "autovacuum top root:", 52 },
|
|
{ "incremental vacuum:", 64 },
|
|
{ "text encoding:", 56 },
|
|
{ "user version:", 60 },
|
|
{ "application id:", 68 },
|
|
{ "software version:", 96 },
|
|
};
|
|
static const struct { const char *zName; const char *zSql; } aQuery[] = {
|
|
{ "number of tables:",
|
|
"SELECT count(*) FROM %s WHERE type='table'" },
|
|
{ "number of indexes:",
|
|
"SELECT count(*) FROM %s WHERE type='index'" },
|
|
{ "number of triggers:",
|
|
"SELECT count(*) FROM %s WHERE type='trigger'" },
|
|
{ "number of views:",
|
|
"SELECT count(*) FROM %s WHERE type='view'" },
|
|
{ "schema size:",
|
|
"SELECT total(length(sql)) FROM %s" },
|
|
};
|
|
sqlite3_file *pFile = 0;
|
|
int i;
|
|
char *zSchemaTab;
|
|
char *zDb = nArg>=2 ? azArg[1] : "main";
|
|
unsigned char aHdr[100];
|
|
open_db(p, 0);
|
|
if( p->db==0 ) return 1;
|
|
sqlite3_file_control(p->db, zDb, SQLITE_FCNTL_FILE_POINTER, &pFile);
|
|
if( pFile==0 || pFile->pMethods==0 || pFile->pMethods->xRead==0 ){
|
|
return 1;
|
|
}
|
|
i = pFile->pMethods->xRead(pFile, aHdr, 100, 0);
|
|
if( i!=SQLITE_OK ){
|
|
raw_printf(stderr, "unable to read database header\n");
|
|
return 1;
|
|
}
|
|
i = get2byteInt(aHdr+16);
|
|
if( i==1 ) i = 65536;
|
|
utf8_printf(p->out, "%-20s %d\n", "database page size:", i);
|
|
utf8_printf(p->out, "%-20s %d\n", "write format:", aHdr[18]);
|
|
utf8_printf(p->out, "%-20s %d\n", "read format:", aHdr[19]);
|
|
utf8_printf(p->out, "%-20s %d\n", "reserved bytes:", aHdr[20]);
|
|
for(i=0; i<ArraySize(aField); i++){
|
|
int ofst = aField[i].ofst;
|
|
unsigned int val = get4byteInt(aHdr + ofst);
|
|
utf8_printf(p->out, "%-20s %u", aField[i].zName, val);
|
|
switch( ofst ){
|
|
case 56: {
|
|
if( val==1 ) raw_printf(p->out, " (utf8)");
|
|
if( val==2 ) raw_printf(p->out, " (utf16le)");
|
|
if( val==3 ) raw_printf(p->out, " (utf16be)");
|
|
}
|
|
}
|
|
raw_printf(p->out, "\n");
|
|
}
|
|
if( zDb==0 ){
|
|
zSchemaTab = sqlite3_mprintf("main.sqlite_master");
|
|
}else if( strcmp(zDb,"temp")==0 ){
|
|
zSchemaTab = sqlite3_mprintf("%s", "sqlite_temp_master");
|
|
}else{
|
|
zSchemaTab = sqlite3_mprintf("\"%w\".sqlite_master", zDb);
|
|
}
|
|
for(i=0; i<ArraySize(aQuery); i++){
|
|
char *zSql = sqlite3_mprintf(aQuery[i].zSql, zSchemaTab);
|
|
int val = db_int(p, zSql);
|
|
sqlite3_free(zSql);
|
|
utf8_printf(p->out, "%-20s %d\n", aQuery[i].zName, val);
|
|
}
|
|
sqlite3_free(zSchemaTab);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
** Print the current sqlite3_errmsg() value to stderr and return 1.
|
|
*/
|
|
static int shellDatabaseError(sqlite3 *db){
|
|
const char *zErr = sqlite3_errmsg(db);
|
|
utf8_printf(stderr, "Error: %s\n", zErr);
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
** Print an out-of-memory message to stderr and return 1.
|
|
*/
|
|
static int shellNomemError(void){
|
|
raw_printf(stderr, "Error: out of memory\n");
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
** Compare the string as a command-line option with either one or two
|
|
** initial "-" characters.
|
|
*/
|
|
static int optionMatch(const char *zStr, const char *zOpt){
|
|
if( zStr[0]!='-' ) return 0;
|
|
zStr++;
|
|
if( zStr[0]=='-' ) zStr++;
|
|
return strcmp(zStr, zOpt)==0;
|
|
}
|
|
|
|
/*
|
|
** If an input line begins with "." then invoke this routine to
|
|
** process that line.
|
|
**
|
|
** Return 1 on error, 2 to exit, and 0 otherwise.
|
|
*/
|
|
static int do_meta_command(char *zLine, ShellState *p){
|
|
int h = 1;
|
|
int nArg = 0;
|
|
int n, c;
|
|
int rc = 0;
|
|
char *azArg[50];
|
|
|
|
/* Parse the input line into tokens.
|
|
*/
|
|
while( zLine[h] && nArg<ArraySize(azArg) ){
|
|
while( IsSpace(zLine[h]) ){ h++; }
|
|
if( zLine[h]==0 ) break;
|
|
if( zLine[h]=='\'' || zLine[h]=='"' ){
|
|
int delim = zLine[h++];
|
|
azArg[nArg++] = &zLine[h];
|
|
while( zLine[h] && zLine[h]!=delim ){
|
|
if( zLine[h]=='\\' && delim=='"' && zLine[h+1]!=0 ) h++;
|
|
h++;
|
|
}
|
|
if( zLine[h]==delim ){
|
|
zLine[h++] = 0;
|
|
}
|
|
if( delim=='"' ) resolve_backslashes(azArg[nArg-1]);
|
|
}else{
|
|
azArg[nArg++] = &zLine[h];
|
|
while( zLine[h] && !IsSpace(zLine[h]) ){ h++; }
|
|
if( zLine[h] ) zLine[h++] = 0;
|
|
resolve_backslashes(azArg[nArg-1]);
|
|
}
|
|
}
|
|
|
|
/* Process the input line.
|
|
*/
|
|
if( nArg==0 ) return 0; /* no tokens, no error */
|
|
n = strlen30(azArg[0]);
|
|
c = azArg[0][0];
|
|
|
|
if( c=='a' && strncmp(azArg[0], "auth", n)==0 ){
|
|
if( nArg!=2 ){
|
|
raw_printf(stderr, "Usage: .auth ON|OFF\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
open_db(p, 0);
|
|
if( booleanValue(azArg[1]) ){
|
|
sqlite3_set_authorizer(p->db, shellAuth, p);
|
|
}else{
|
|
sqlite3_set_authorizer(p->db, 0, 0);
|
|
}
|
|
}else
|
|
|
|
if( (c=='b' && n>=3 && strncmp(azArg[0], "backup", n)==0)
|
|
|| (c=='s' && n>=3 && strncmp(azArg[0], "save", n)==0)
|
|
){
|
|
const char *zDestFile = 0;
|
|
const char *zDb = 0;
|
|
sqlite3 *pDest;
|
|
sqlite3_backup *pBackup;
|
|
int j;
|
|
for(j=1; j<nArg; j++){
|
|
const char *z = azArg[j];
|
|
if( z[0]=='-' ){
|
|
while( z[0]=='-' ) z++;
|
|
/* No options to process at this time */
|
|
{
|
|
utf8_printf(stderr, "unknown option: %s\n", azArg[j]);
|
|
return 1;
|
|
}
|
|
}else if( zDestFile==0 ){
|
|
zDestFile = azArg[j];
|
|
}else if( zDb==0 ){
|
|
zDb = zDestFile;
|
|
zDestFile = azArg[j];
|
|
}else{
|
|
raw_printf(stderr, "too many arguments to .backup\n");
|
|
return 1;
|
|
}
|
|
}
|
|
if( zDestFile==0 ){
|
|
raw_printf(stderr, "missing FILENAME argument on .backup\n");
|
|
return 1;
|
|
}
|
|
if( zDb==0 ) zDb = "main";
|
|
rc = sqlite3_open(zDestFile, &pDest);
|
|
if( rc!=SQLITE_OK ){
|
|
utf8_printf(stderr, "Error: cannot open \"%s\"\n", zDestFile);
|
|
sqlite3_close(pDest);
|
|
return 1;
|
|
}
|
|
open_db(p, 0);
|
|
pBackup = sqlite3_backup_init(pDest, "main", p->db, zDb);
|
|
if( pBackup==0 ){
|
|
utf8_printf(stderr, "Error: %s\n", sqlite3_errmsg(pDest));
|
|
sqlite3_close(pDest);
|
|
return 1;
|
|
}
|
|
while( (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK ){}
|
|
sqlite3_backup_finish(pBackup);
|
|
if( rc==SQLITE_DONE ){
|
|
rc = 0;
|
|
}else{
|
|
utf8_printf(stderr, "Error: %s\n", sqlite3_errmsg(pDest));
|
|
rc = 1;
|
|
}
|
|
sqlite3_close(pDest);
|
|
}else
|
|
|
|
if( c=='b' && n>=3 && strncmp(azArg[0], "bail", n)==0 ){
|
|
if( nArg==2 ){
|
|
bail_on_error = booleanValue(azArg[1]);
|
|
}else{
|
|
raw_printf(stderr, "Usage: .bail on|off\n");
|
|
rc = 1;
|
|
}
|
|
}else
|
|
|
|
if( c=='b' && n>=3 && strncmp(azArg[0], "binary", n)==0 ){
|
|
if( nArg==2 ){
|
|
if( booleanValue(azArg[1]) ){
|
|
setBinaryMode(p->out, 1);
|
|
}else{
|
|
setTextMode(p->out, 1);
|
|
}
|
|
}else{
|
|
raw_printf(stderr, "Usage: .binary on|off\n");
|
|
rc = 1;
|
|
}
|
|
}else
|
|
|
|
/* The undocumented ".breakpoint" command causes a call to the no-op
|
|
** routine named test_breakpoint().
|
|
*/
|
|
if( c=='b' && n>=3 && strncmp(azArg[0], "breakpoint", n)==0 ){
|
|
test_breakpoint();
|
|
}else
|
|
|
|
if( c=='c' && n>=3 && strncmp(azArg[0], "changes", n)==0 ){
|
|
if( nArg==2 ){
|
|
p->countChanges = booleanValue(azArg[1]);
|
|
}else{
|
|
raw_printf(stderr, "Usage: .changes on|off\n");
|
|
rc = 1;
|
|
}
|
|
}else
|
|
|
|
if( c=='c' && strncmp(azArg[0], "clone", n)==0 ){
|
|
if( nArg==2 ){
|
|
tryToClone(p, azArg[1]);
|
|
}else{
|
|
raw_printf(stderr, "Usage: .clone FILENAME\n");
|
|
rc = 1;
|
|
}
|
|
}else
|
|
|
|
if( c=='d' && n>1 && strncmp(azArg[0], "databases", n)==0 ){
|
|
ShellState data;
|
|
char *zErrMsg = 0;
|
|
open_db(p, 0);
|
|
memcpy(&data, p, sizeof(data));
|
|
data.showHeader = 1;
|
|
data.cMode = data.mode = MODE_Column;
|
|
data.colWidth[0] = 3;
|
|
data.colWidth[1] = 15;
|
|
data.colWidth[2] = 58;
|
|
data.cnt = 0;
|
|
sqlite3_exec(p->db, "PRAGMA database_list; ", callback, &data, &zErrMsg);
|
|
if( zErrMsg ){
|
|
utf8_printf(stderr,"Error: %s\n", zErrMsg);
|
|
sqlite3_free(zErrMsg);
|
|
rc = 1;
|
|
}
|
|
}else
|
|
|
|
if( c=='d' && strncmp(azArg[0], "dbinfo", n)==0 ){
|
|
rc = shell_dbinfo_command(p, nArg, azArg);
|
|
}else
|
|
|
|
if( c=='d' && strncmp(azArg[0], "dump", n)==0 ){
|
|
open_db(p, 0);
|
|
/* When playing back a "dump", the content might appear in an order
|
|
** which causes immediate foreign key constraints to be violated.
|
|
** So disable foreign-key constraint enforcement to prevent problems. */
|
|
if( nArg!=1 && nArg!=2 ){
|
|
raw_printf(stderr, "Usage: .dump ?LIKE-PATTERN?\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
raw_printf(p->out, "PRAGMA foreign_keys=OFF;\n");
|
|
raw_printf(p->out, "BEGIN TRANSACTION;\n");
|
|
p->writableSchema = 0;
|
|
sqlite3_exec(p->db, "SAVEPOINT dump; PRAGMA writable_schema=ON", 0, 0, 0);
|
|
p->nErr = 0;
|
|
if( nArg==1 ){
|
|
run_schema_dump_query(p,
|
|
"SELECT name, type, sql FROM sqlite_master "
|
|
"WHERE sql NOT NULL AND type=='table' AND name!='sqlite_sequence'"
|
|
);
|
|
run_schema_dump_query(p,
|
|
"SELECT name, type, sql FROM sqlite_master "
|
|
"WHERE name=='sqlite_sequence'"
|
|
);
|
|
run_table_dump_query(p,
|
|
"SELECT sql FROM sqlite_master "
|
|
"WHERE sql NOT NULL AND type IN ('index','trigger','view')", 0
|
|
);
|
|
}else{
|
|
int i;
|
|
for(i=1; i<nArg; i++){
|
|
zShellStatic = azArg[i];
|
|
run_schema_dump_query(p,
|
|
"SELECT name, type, sql FROM sqlite_master "
|
|
"WHERE tbl_name LIKE shellstatic() AND type=='table'"
|
|
" AND sql NOT NULL");
|
|
run_table_dump_query(p,
|
|
"SELECT sql FROM sqlite_master "
|
|
"WHERE sql NOT NULL"
|
|
" AND type IN ('index','trigger','view')"
|
|
" AND tbl_name LIKE shellstatic()", 0
|
|
);
|
|
zShellStatic = 0;
|
|
}
|
|
}
|
|
if( p->writableSchema ){
|
|
raw_printf(p->out, "PRAGMA writable_schema=OFF;\n");
|
|
p->writableSchema = 0;
|
|
}
|
|
sqlite3_exec(p->db, "PRAGMA writable_schema=OFF;", 0, 0, 0);
|
|
sqlite3_exec(p->db, "RELEASE dump;", 0, 0, 0);
|
|
raw_printf(p->out, p->nErr ? "ROLLBACK; -- due to errors\n" : "COMMIT;\n");
|
|
}else
|
|
|
|
if( c=='e' && strncmp(azArg[0], "echo", n)==0 ){
|
|
if( nArg==2 ){
|
|
p->echoOn = booleanValue(azArg[1]);
|
|
}else{
|
|
raw_printf(stderr, "Usage: .echo on|off\n");
|
|
rc = 1;
|
|
}
|
|
}else
|
|
|
|
if( c=='e' && strncmp(azArg[0], "eqp", n)==0 ){
|
|
if( nArg==2 ){
|
|
if( strcmp(azArg[1],"full")==0 ){
|
|
p->autoEQP = 2;
|
|
}else{
|
|
p->autoEQP = booleanValue(azArg[1]);
|
|
}
|
|
}else{
|
|
raw_printf(stderr, "Usage: .eqp on|off|full\n");
|
|
rc = 1;
|
|
}
|
|
}else
|
|
|
|
if( c=='e' && strncmp(azArg[0], "exit", n)==0 ){
|
|
if( nArg>1 && (rc = (int)integerValue(azArg[1]))!=0 ) exit(rc);
|
|
rc = 2;
|
|
}else
|
|
|
|
if( c=='e' && strncmp(azArg[0], "explain", n)==0 ){
|
|
int val = 1;
|
|
if( nArg>=2 ){
|
|
if( strcmp(azArg[1],"auto")==0 ){
|
|
val = 99;
|
|
}else{
|
|
val = booleanValue(azArg[1]);
|
|
}
|
|
}
|
|
if( val==1 && p->mode!=MODE_Explain ){
|
|
p->normalMode = p->mode;
|
|
p->mode = MODE_Explain;
|
|
p->autoExplain = 0;
|
|
}else if( val==0 ){
|
|
if( p->mode==MODE_Explain ) p->mode = p->normalMode;
|
|
p->autoExplain = 0;
|
|
}else if( val==99 ){
|
|
if( p->mode==MODE_Explain ) p->mode = p->normalMode;
|
|
p->autoExplain = 1;
|
|
}
|
|
}else
|
|
|
|
if( c=='f' && strncmp(azArg[0], "fullschema", n)==0 ){
|
|
ShellState data;
|
|
char *zErrMsg = 0;
|
|
int doStats = 0;
|
|
memcpy(&data, p, sizeof(data));
|
|
data.showHeader = 0;
|
|
data.cMode = data.mode = MODE_Semi;
|
|
if( nArg==2 && optionMatch(azArg[1], "indent") ){
|
|
data.cMode = data.mode = MODE_Pretty;
|
|
nArg = 1;
|
|
}
|
|
if( nArg!=1 ){
|
|
raw_printf(stderr, "Usage: .fullschema ?--indent?\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
open_db(p, 0);
|
|
rc = sqlite3_exec(p->db,
|
|
"SELECT sql FROM"
|
|
" (SELECT sql sql, type type, tbl_name tbl_name, name name, rowid x"
|
|
" FROM sqlite_master UNION ALL"
|
|
" SELECT sql, type, tbl_name, name, rowid FROM sqlite_temp_master) "
|
|
"WHERE type!='meta' AND sql NOTNULL AND name NOT LIKE 'sqlite_%' "
|
|
"ORDER BY rowid",
|
|
callback, &data, &zErrMsg
|
|
);
|
|
if( rc==SQLITE_OK ){
|
|
sqlite3_stmt *pStmt;
|
|
rc = sqlite3_prepare_v2(p->db,
|
|
"SELECT rowid FROM sqlite_master"
|
|
" WHERE name GLOB 'sqlite_stat[134]'",
|
|
-1, &pStmt, 0);
|
|
doStats = sqlite3_step(pStmt)==SQLITE_ROW;
|
|
sqlite3_finalize(pStmt);
|
|
}
|
|
if( doStats==0 ){
|
|
raw_printf(p->out, "/* No STAT tables available */\n");
|
|
}else{
|
|
raw_printf(p->out, "ANALYZE sqlite_master;\n");
|
|
sqlite3_exec(p->db, "SELECT 'ANALYZE sqlite_master'",
|
|
callback, &data, &zErrMsg);
|
|
data.cMode = data.mode = MODE_Insert;
|
|
data.zDestTable = "sqlite_stat1";
|
|
shell_exec(p->db, "SELECT * FROM sqlite_stat1",
|
|
shell_callback, &data,&zErrMsg);
|
|
data.zDestTable = "sqlite_stat3";
|
|
shell_exec(p->db, "SELECT * FROM sqlite_stat3",
|
|
shell_callback, &data,&zErrMsg);
|
|
data.zDestTable = "sqlite_stat4";
|
|
shell_exec(p->db, "SELECT * FROM sqlite_stat4",
|
|
shell_callback, &data, &zErrMsg);
|
|
raw_printf(p->out, "ANALYZE sqlite_master;\n");
|
|
}
|
|
}else
|
|
|
|
if( c=='h' && strncmp(azArg[0], "headers", n)==0 ){
|
|
if( nArg==2 ){
|
|
p->showHeader = booleanValue(azArg[1]);
|
|
}else{
|
|
raw_printf(stderr, "Usage: .headers on|off\n");
|
|
rc = 1;
|
|
}
|
|
}else
|
|
|
|
if( c=='h' && strncmp(azArg[0], "help", n)==0 ){
|
|
utf8_printf(p->out, "%s", zHelp);
|
|
}else
|
|
|
|
if( c=='i' && strncmp(azArg[0], "import", n)==0 ){
|
|
char *zTable; /* Insert data into this table */
|
|
char *zFile; /* Name of file to extra content from */
|
|
sqlite3_stmt *pStmt = NULL; /* A statement */
|
|
int nCol; /* Number of columns in the table */
|
|
int nByte; /* Number of bytes in an SQL string */
|
|
int i, j; /* Loop counters */
|
|
int needCommit; /* True to COMMIT or ROLLBACK at end */
|
|
int nSep; /* Number of bytes in p->colSeparator[] */
|
|
char *zSql; /* An SQL statement */
|
|
ImportCtx sCtx; /* Reader context */
|
|
char *(SQLITE_CDECL *xRead)(ImportCtx*); /* Func to read one value */
|
|
int (SQLITE_CDECL *xCloser)(FILE*); /* Func to close file */
|
|
|
|
if( nArg!=3 ){
|
|
raw_printf(stderr, "Usage: .import FILE TABLE\n");
|
|
goto meta_command_exit;
|
|
}
|
|
zFile = azArg[1];
|
|
zTable = azArg[2];
|
|
seenInterrupt = 0;
|
|
memset(&sCtx, 0, sizeof(sCtx));
|
|
open_db(p, 0);
|
|
nSep = strlen30(p->colSeparator);
|
|
if( nSep==0 ){
|
|
raw_printf(stderr,
|
|
"Error: non-null column separator required for import\n");
|
|
return 1;
|
|
}
|
|
if( nSep>1 ){
|
|
raw_printf(stderr, "Error: multi-character column separators not allowed"
|
|
" for import\n");
|
|
return 1;
|
|
}
|
|
nSep = strlen30(p->rowSeparator);
|
|
if( nSep==0 ){
|
|
raw_printf(stderr, "Error: non-null row separator required for import\n");
|
|
return 1;
|
|
}
|
|
if( nSep==2 && p->mode==MODE_Csv && strcmp(p->rowSeparator, SEP_CrLf)==0 ){
|
|
/* When importing CSV (only), if the row separator is set to the
|
|
** default output row separator, change it to the default input
|
|
** row separator. This avoids having to maintain different input
|
|
** and output row separators. */
|
|
sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row);
|
|
nSep = strlen30(p->rowSeparator);
|
|
}
|
|
if( nSep>1 ){
|
|
raw_printf(stderr, "Error: multi-character row separators not allowed"
|
|
" for import\n");
|
|
return 1;
|
|
}
|
|
sCtx.zFile = zFile;
|
|
sCtx.nLine = 1;
|
|
if( sCtx.zFile[0]=='|' ){
|
|
#ifdef SQLITE_OMIT_POPEN
|
|
raw_printf(stderr, "Error: pipes are not supported in this OS\n");
|
|
return 1;
|
|
#else
|
|
sCtx.in = popen(sCtx.zFile+1, "r");
|
|
sCtx.zFile = "<pipe>";
|
|
xCloser = pclose;
|
|
#endif
|
|
}else{
|
|
sCtx.in = fopen(sCtx.zFile, "rb");
|
|
xCloser = fclose;
|
|
}
|
|
if( p->mode==MODE_Ascii ){
|
|
xRead = ascii_read_one_field;
|
|
}else{
|
|
xRead = csv_read_one_field;
|
|
}
|
|
if( sCtx.in==0 ){
|
|
utf8_printf(stderr, "Error: cannot open \"%s\"\n", zFile);
|
|
return 1;
|
|
}
|
|
sCtx.cColSep = p->colSeparator[0];
|
|
sCtx.cRowSep = p->rowSeparator[0];
|
|
zSql = sqlite3_mprintf("SELECT * FROM %s", zTable);
|
|
if( zSql==0 ){
|
|
raw_printf(stderr, "Error: out of memory\n");
|
|
xCloser(sCtx.in);
|
|
return 1;
|
|
}
|
|
nByte = strlen30(zSql);
|
|
rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
|
|
import_append_char(&sCtx, 0); /* To ensure sCtx.z is allocated */
|
|
if( rc && sqlite3_strglob("no such table: *", sqlite3_errmsg(p->db))==0 ){
|
|
char *zCreate = sqlite3_mprintf("CREATE TABLE %s", zTable);
|
|
char cSep = '(';
|
|
while( xRead(&sCtx) ){
|
|
zCreate = sqlite3_mprintf("%z%c\n \"%w\" TEXT", zCreate, cSep, sCtx.z);
|
|
cSep = ',';
|
|
if( sCtx.cTerm!=sCtx.cColSep ) break;
|
|
}
|
|
if( cSep=='(' ){
|
|
sqlite3_free(zCreate);
|
|
sqlite3_free(sCtx.z);
|
|
xCloser(sCtx.in);
|
|
utf8_printf(stderr,"%s: empty file\n", sCtx.zFile);
|
|
return 1;
|
|
}
|
|
zCreate = sqlite3_mprintf("%z\n)", zCreate);
|
|
rc = sqlite3_exec(p->db, zCreate, 0, 0, 0);
|
|
sqlite3_free(zCreate);
|
|
if( rc ){
|
|
utf8_printf(stderr, "CREATE TABLE %s(...) failed: %s\n", zTable,
|
|
sqlite3_errmsg(p->db));
|
|
sqlite3_free(sCtx.z);
|
|
xCloser(sCtx.in);
|
|
return 1;
|
|
}
|
|
rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
|
|
}
|
|
sqlite3_free(zSql);
|
|
if( rc ){
|
|
if (pStmt) sqlite3_finalize(pStmt);
|
|
utf8_printf(stderr,"Error: %s\n", sqlite3_errmsg(p->db));
|
|
xCloser(sCtx.in);
|
|
return 1;
|
|
}
|
|
nCol = sqlite3_column_count(pStmt);
|
|
sqlite3_finalize(pStmt);
|
|
pStmt = 0;
|
|
if( nCol==0 ) return 0; /* no columns, no error */
|
|
zSql = sqlite3_malloc64( nByte*2 + 20 + nCol*2 );
|
|
if( zSql==0 ){
|
|
raw_printf(stderr, "Error: out of memory\n");
|
|
xCloser(sCtx.in);
|
|
return 1;
|
|
}
|
|
sqlite3_snprintf(nByte+20, zSql, "INSERT INTO \"%w\" VALUES(?", zTable);
|
|
j = strlen30(zSql);
|
|
for(i=1; i<nCol; i++){
|
|
zSql[j++] = ',';
|
|
zSql[j++] = '?';
|
|
}
|
|
zSql[j++] = ')';
|
|
zSql[j] = 0;
|
|
rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
|
|
sqlite3_free(zSql);
|
|
if( rc ){
|
|
utf8_printf(stderr, "Error: %s\n", sqlite3_errmsg(p->db));
|
|
if (pStmt) sqlite3_finalize(pStmt);
|
|
xCloser(sCtx.in);
|
|
return 1;
|
|
}
|
|
needCommit = sqlite3_get_autocommit(p->db);
|
|
if( needCommit ) sqlite3_exec(p->db, "BEGIN", 0, 0, 0);
|
|
do{
|
|
int startLine = sCtx.nLine;
|
|
for(i=0; i<nCol; i++){
|
|
char *z = xRead(&sCtx);
|
|
/*
|
|
** Did we reach end-of-file before finding any columns?
|
|
** If so, stop instead of NULL filling the remaining columns.
|
|
*/
|
|
if( z==0 && i==0 ) break;
|
|
/*
|
|
** Did we reach end-of-file OR end-of-line before finding any
|
|
** columns in ASCII mode? If so, stop instead of NULL filling
|
|
** the remaining columns.
|
|
*/
|
|
if( p->mode==MODE_Ascii && (z==0 || z[0]==0) && i==0 ) break;
|
|
sqlite3_bind_text(pStmt, i+1, z, -1, SQLITE_TRANSIENT);
|
|
if( i<nCol-1 && sCtx.cTerm!=sCtx.cColSep ){
|
|
utf8_printf(stderr, "%s:%d: expected %d columns but found %d - "
|
|
"filling the rest with NULL\n",
|
|
sCtx.zFile, startLine, nCol, i+1);
|
|
i += 2;
|
|
while( i<=nCol ){ sqlite3_bind_null(pStmt, i); i++; }
|
|
}
|
|
}
|
|
if( sCtx.cTerm==sCtx.cColSep ){
|
|
do{
|
|
xRead(&sCtx);
|
|
i++;
|
|
}while( sCtx.cTerm==sCtx.cColSep );
|
|
utf8_printf(stderr, "%s:%d: expected %d columns but found %d - "
|
|
"extras ignored\n",
|
|
sCtx.zFile, startLine, nCol, i);
|
|
}
|
|
if( i>=nCol ){
|
|
sqlite3_step(pStmt);
|
|
rc = sqlite3_reset(pStmt);
|
|
if( rc!=SQLITE_OK ){
|
|
utf8_printf(stderr, "%s:%d: INSERT failed: %s\n", sCtx.zFile,
|
|
startLine, sqlite3_errmsg(p->db));
|
|
}
|
|
}
|
|
}while( sCtx.cTerm!=EOF );
|
|
|
|
xCloser(sCtx.in);
|
|
sqlite3_free(sCtx.z);
|
|
sqlite3_finalize(pStmt);
|
|
if( needCommit ) sqlite3_exec(p->db, "COMMIT", 0, 0, 0);
|
|
}else
|
|
|
|
if( c=='i' && (strncmp(azArg[0], "indices", n)==0
|
|
|| strncmp(azArg[0], "indexes", n)==0) ){
|
|
ShellState data;
|
|
char *zErrMsg = 0;
|
|
open_db(p, 0);
|
|
memcpy(&data, p, sizeof(data));
|
|
data.showHeader = 0;
|
|
data.cMode = data.mode = MODE_List;
|
|
if( nArg==1 ){
|
|
rc = sqlite3_exec(p->db,
|
|
"SELECT name FROM sqlite_master "
|
|
"WHERE type='index' AND name NOT LIKE 'sqlite_%' "
|
|
"UNION ALL "
|
|
"SELECT name FROM sqlite_temp_master "
|
|
"WHERE type='index' "
|
|
"ORDER BY 1",
|
|
callback, &data, &zErrMsg
|
|
);
|
|
}else if( nArg==2 ){
|
|
zShellStatic = azArg[1];
|
|
rc = sqlite3_exec(p->db,
|
|
"SELECT name FROM sqlite_master "
|
|
"WHERE type='index' AND tbl_name LIKE shellstatic() "
|
|
"UNION ALL "
|
|
"SELECT name FROM sqlite_temp_master "
|
|
"WHERE type='index' AND tbl_name LIKE shellstatic() "
|
|
"ORDER BY 1",
|
|
callback, &data, &zErrMsg
|
|
);
|
|
zShellStatic = 0;
|
|
}else{
|
|
raw_printf(stderr, "Usage: .indexes ?LIKE-PATTERN?\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
if( zErrMsg ){
|
|
utf8_printf(stderr,"Error: %s\n", zErrMsg);
|
|
sqlite3_free(zErrMsg);
|
|
rc = 1;
|
|
}else if( rc != SQLITE_OK ){
|
|
raw_printf(stderr,
|
|
"Error: querying sqlite_master and sqlite_temp_master\n");
|
|
rc = 1;
|
|
}
|
|
}else
|
|
|
|
#ifdef SQLITE_ENABLE_IOTRACE
|
|
if( c=='i' && strncmp(azArg[0], "iotrace", n)==0 ){
|
|
SQLITE_API extern void (SQLITE_CDECL *sqlite3IoTrace)(const char*, ...);
|
|
if( iotrace && iotrace!=stdout ) fclose(iotrace);
|
|
iotrace = 0;
|
|
if( nArg<2 ){
|
|
sqlite3IoTrace = 0;
|
|
}else if( strcmp(azArg[1], "-")==0 ){
|
|
sqlite3IoTrace = iotracePrintf;
|
|
iotrace = stdout;
|
|
}else{
|
|
iotrace = fopen(azArg[1], "w");
|
|
if( iotrace==0 ){
|
|
utf8_printf(stderr, "Error: cannot open \"%s\"\n", azArg[1]);
|
|
sqlite3IoTrace = 0;
|
|
rc = 1;
|
|
}else{
|
|
sqlite3IoTrace = iotracePrintf;
|
|
}
|
|
}
|
|
}else
|
|
#endif
|
|
if( c=='l' && n>=5 && strncmp(azArg[0], "limits", n)==0 ){
|
|
static const struct {
|
|
const char *zLimitName; /* Name of a limit */
|
|
int limitCode; /* Integer code for that limit */
|
|
} aLimit[] = {
|
|
{ "length", SQLITE_LIMIT_LENGTH },
|
|
{ "sql_length", SQLITE_LIMIT_SQL_LENGTH },
|
|
{ "column", SQLITE_LIMIT_COLUMN },
|
|
{ "expr_depth", SQLITE_LIMIT_EXPR_DEPTH },
|
|
{ "compound_select", SQLITE_LIMIT_COMPOUND_SELECT },
|
|
{ "vdbe_op", SQLITE_LIMIT_VDBE_OP },
|
|
{ "function_arg", SQLITE_LIMIT_FUNCTION_ARG },
|
|
{ "attached", SQLITE_LIMIT_ATTACHED },
|
|
{ "like_pattern_length", SQLITE_LIMIT_LIKE_PATTERN_LENGTH },
|
|
{ "variable_number", SQLITE_LIMIT_VARIABLE_NUMBER },
|
|
{ "trigger_depth", SQLITE_LIMIT_TRIGGER_DEPTH },
|
|
{ "worker_threads", SQLITE_LIMIT_WORKER_THREADS },
|
|
};
|
|
int i, n2;
|
|
open_db(p, 0);
|
|
if( nArg==1 ){
|
|
for(i=0; i<ArraySize(aLimit); i++){
|
|
printf("%20s %d\n", aLimit[i].zLimitName,
|
|
sqlite3_limit(p->db, aLimit[i].limitCode, -1));
|
|
}
|
|
}else if( nArg>3 ){
|
|
raw_printf(stderr, "Usage: .limit NAME ?NEW-VALUE?\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}else{
|
|
int iLimit = -1;
|
|
n2 = strlen30(azArg[1]);
|
|
for(i=0; i<ArraySize(aLimit); i++){
|
|
if( sqlite3_strnicmp(aLimit[i].zLimitName, azArg[1], n2)==0 ){
|
|
if( iLimit<0 ){
|
|
iLimit = i;
|
|
}else{
|
|
utf8_printf(stderr, "ambiguous limit: \"%s\"\n", azArg[1]);
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
}
|
|
}
|
|
if( iLimit<0 ){
|
|
utf8_printf(stderr, "unknown limit: \"%s\"\n"
|
|
"enter \".limits\" with no arguments for a list.\n",
|
|
azArg[1]);
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
if( nArg==3 ){
|
|
sqlite3_limit(p->db, aLimit[iLimit].limitCode,
|
|
(int)integerValue(azArg[2]));
|
|
}
|
|
printf("%20s %d\n", aLimit[iLimit].zLimitName,
|
|
sqlite3_limit(p->db, aLimit[iLimit].limitCode, -1));
|
|
}
|
|
}else
|
|
|
|
#ifndef SQLITE_OMIT_LOAD_EXTENSION
|
|
if( c=='l' && strncmp(azArg[0], "load", n)==0 ){
|
|
const char *zFile, *zProc;
|
|
char *zErrMsg = 0;
|
|
if( nArg<2 ){
|
|
raw_printf(stderr, "Usage: .load FILE ?ENTRYPOINT?\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
zFile = azArg[1];
|
|
zProc = nArg>=3 ? azArg[2] : 0;
|
|
open_db(p, 0);
|
|
rc = sqlite3_load_extension(p->db, zFile, zProc, &zErrMsg);
|
|
if( rc!=SQLITE_OK ){
|
|
utf8_printf(stderr, "Error: %s\n", zErrMsg);
|
|
sqlite3_free(zErrMsg);
|
|
rc = 1;
|
|
}
|
|
}else
|
|
#endif
|
|
|
|
if( c=='l' && strncmp(azArg[0], "log", n)==0 ){
|
|
if( nArg!=2 ){
|
|
raw_printf(stderr, "Usage: .log FILENAME\n");
|
|
rc = 1;
|
|
}else{
|
|
const char *zFile = azArg[1];
|
|
output_file_close(p->pLog);
|
|
p->pLog = output_file_open(zFile);
|
|
}
|
|
}else
|
|
|
|
if( c=='m' && strncmp(azArg[0], "mode", n)==0 ){
|
|
const char *zMode = nArg>=2 ? azArg[1] : "";
|
|
int n2 = (int)strlen(zMode);
|
|
int c2 = zMode[0];
|
|
if( c2=='l' && n2>2 && strncmp(azArg[1],"lines",n2)==0 ){
|
|
p->mode = MODE_Line;
|
|
}else if( c2=='c' && strncmp(azArg[1],"columns",n2)==0 ){
|
|
p->mode = MODE_Column;
|
|
}else if( c2=='l' && n2>2 && strncmp(azArg[1],"list",n2)==0 ){
|
|
p->mode = MODE_List;
|
|
}else if( c2=='h' && strncmp(azArg[1],"html",n2)==0 ){
|
|
p->mode = MODE_Html;
|
|
}else if( c2=='t' && strncmp(azArg[1],"tcl",n2)==0 ){
|
|
p->mode = MODE_Tcl;
|
|
sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Space);
|
|
}else if( c2=='c' && strncmp(azArg[1],"csv",n2)==0 ){
|
|
p->mode = MODE_Csv;
|
|
sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Comma);
|
|
sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_CrLf);
|
|
}else if( c2=='t' && strncmp(azArg[1],"tabs",n2)==0 ){
|
|
p->mode = MODE_List;
|
|
sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Tab);
|
|
}else if( c2=='i' && strncmp(azArg[1],"insert",n2)==0 ){
|
|
p->mode = MODE_Insert;
|
|
set_table_name(p, nArg>=3 ? azArg[2] : "table");
|
|
}else if( c2=='a' && strncmp(azArg[1],"ascii",n2)==0 ){
|
|
p->mode = MODE_Ascii;
|
|
sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Unit);
|
|
sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Record);
|
|
}else {
|
|
raw_printf(stderr, "Error: mode should be one of: "
|
|
"ascii column csv html insert line list tabs tcl\n");
|
|
rc = 1;
|
|
}
|
|
p->cMode = p->mode;
|
|
}else
|
|
|
|
if( c=='n' && strncmp(azArg[0], "nullvalue", n)==0 ){
|
|
if( nArg==2 ){
|
|
sqlite3_snprintf(sizeof(p->nullValue), p->nullValue,
|
|
"%.*s", (int)ArraySize(p->nullValue)-1, azArg[1]);
|
|
}else{
|
|
raw_printf(stderr, "Usage: .nullvalue STRING\n");
|
|
rc = 1;
|
|
}
|
|
}else
|
|
|
|
if( c=='o' && strncmp(azArg[0], "open", n)==0 && n>=2 ){
|
|
sqlite3 *savedDb = p->db;
|
|
const char *zSavedFilename = p->zDbFilename;
|
|
char *zNewFilename = 0;
|
|
p->db = 0;
|
|
if( nArg>=2 ) zNewFilename = sqlite3_mprintf("%s", azArg[1]);
|
|
p->zDbFilename = zNewFilename;
|
|
open_db(p, 1);
|
|
if( p->db!=0 ){
|
|
session_close_all(p);
|
|
sqlite3_close(savedDb);
|
|
sqlite3_free(p->zFreeOnClose);
|
|
p->zFreeOnClose = zNewFilename;
|
|
}else{
|
|
sqlite3_free(zNewFilename);
|
|
p->db = savedDb;
|
|
p->zDbFilename = zSavedFilename;
|
|
}
|
|
}else
|
|
|
|
if( c=='o'
|
|
&& (strncmp(azArg[0], "output", n)==0 || strncmp(azArg[0], "once", n)==0)
|
|
){
|
|
const char *zFile = nArg>=2 ? azArg[1] : "stdout";
|
|
if( nArg>2 ){
|
|
utf8_printf(stderr, "Usage: .%s FILE\n", azArg[0]);
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
if( n>1 && strncmp(azArg[0], "once", n)==0 ){
|
|
if( nArg<2 ){
|
|
raw_printf(stderr, "Usage: .once FILE\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
p->outCount = 2;
|
|
}else{
|
|
p->outCount = 0;
|
|
}
|
|
output_reset(p);
|
|
if( zFile[0]=='|' ){
|
|
#ifdef SQLITE_OMIT_POPEN
|
|
raw_printf(stderr, "Error: pipes are not supported in this OS\n");
|
|
rc = 1;
|
|
p->out = stdout;
|
|
#else
|
|
p->out = popen(zFile + 1, "w");
|
|
if( p->out==0 ){
|
|
utf8_printf(stderr,"Error: cannot open pipe \"%s\"\n", zFile + 1);
|
|
p->out = stdout;
|
|
rc = 1;
|
|
}else{
|
|
sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", zFile);
|
|
}
|
|
#endif
|
|
}else{
|
|
p->out = output_file_open(zFile);
|
|
if( p->out==0 ){
|
|
if( strcmp(zFile,"off")!=0 ){
|
|
utf8_printf(stderr,"Error: cannot write to \"%s\"\n", zFile);
|
|
}
|
|
p->out = stdout;
|
|
rc = 1;
|
|
} else {
|
|
sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", zFile);
|
|
}
|
|
}
|
|
}else
|
|
|
|
if( c=='p' && n>=3 && strncmp(azArg[0], "print", n)==0 ){
|
|
int i;
|
|
for(i=1; i<nArg; i++){
|
|
if( i>1 ) raw_printf(p->out, " ");
|
|
utf8_printf(p->out, "%s", azArg[i]);
|
|
}
|
|
raw_printf(p->out, "\n");
|
|
}else
|
|
|
|
if( c=='p' && strncmp(azArg[0], "prompt", n)==0 ){
|
|
if( nArg >= 2) {
|
|
strncpy(mainPrompt,azArg[1],(int)ArraySize(mainPrompt)-1);
|
|
}
|
|
if( nArg >= 3) {
|
|
strncpy(continuePrompt,azArg[2],(int)ArraySize(continuePrompt)-1);
|
|
}
|
|
}else
|
|
|
|
if( c=='q' && strncmp(azArg[0], "quit", n)==0 ){
|
|
rc = 2;
|
|
}else
|
|
|
|
if( c=='r' && n>=3 && strncmp(azArg[0], "read", n)==0 ){
|
|
FILE *alt;
|
|
if( nArg!=2 ){
|
|
raw_printf(stderr, "Usage: .read FILE\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
alt = fopen(azArg[1], "rb");
|
|
if( alt==0 ){
|
|
utf8_printf(stderr,"Error: cannot open \"%s\"\n", azArg[1]);
|
|
rc = 1;
|
|
}else{
|
|
rc = process_input(p, alt);
|
|
fclose(alt);
|
|
}
|
|
}else
|
|
|
|
if( c=='r' && n>=3 && strncmp(azArg[0], "restore", n)==0 ){
|
|
const char *zSrcFile;
|
|
const char *zDb;
|
|
sqlite3 *pSrc;
|
|
sqlite3_backup *pBackup;
|
|
int nTimeout = 0;
|
|
|
|
if( nArg==2 ){
|
|
zSrcFile = azArg[1];
|
|
zDb = "main";
|
|
}else if( nArg==3 ){
|
|
zSrcFile = azArg[2];
|
|
zDb = azArg[1];
|
|
}else{
|
|
raw_printf(stderr, "Usage: .restore ?DB? FILE\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
rc = sqlite3_open(zSrcFile, &pSrc);
|
|
if( rc!=SQLITE_OK ){
|
|
utf8_printf(stderr, "Error: cannot open \"%s\"\n", zSrcFile);
|
|
sqlite3_close(pSrc);
|
|
return 1;
|
|
}
|
|
open_db(p, 0);
|
|
pBackup = sqlite3_backup_init(p->db, zDb, pSrc, "main");
|
|
if( pBackup==0 ){
|
|
utf8_printf(stderr, "Error: %s\n", sqlite3_errmsg(p->db));
|
|
sqlite3_close(pSrc);
|
|
return 1;
|
|
}
|
|
while( (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK
|
|
|| rc==SQLITE_BUSY ){
|
|
if( rc==SQLITE_BUSY ){
|
|
if( nTimeout++ >= 3 ) break;
|
|
sqlite3_sleep(100);
|
|
}
|
|
}
|
|
sqlite3_backup_finish(pBackup);
|
|
if( rc==SQLITE_DONE ){
|
|
rc = 0;
|
|
}else if( rc==SQLITE_BUSY || rc==SQLITE_LOCKED ){
|
|
raw_printf(stderr, "Error: source database is busy\n");
|
|
rc = 1;
|
|
}else{
|
|
utf8_printf(stderr, "Error: %s\n", sqlite3_errmsg(p->db));
|
|
rc = 1;
|
|
}
|
|
sqlite3_close(pSrc);
|
|
}else
|
|
|
|
|
|
if( c=='s' && strncmp(azArg[0], "scanstats", n)==0 ){
|
|
if( nArg==2 ){
|
|
p->scanstatsOn = booleanValue(azArg[1]);
|
|
#ifndef SQLITE_ENABLE_STMT_SCANSTATUS
|
|
raw_printf(stderr, "Warning: .scanstats not available in this build.\n");
|
|
#endif
|
|
}else{
|
|
raw_printf(stderr, "Usage: .scanstats on|off\n");
|
|
rc = 1;
|
|
}
|
|
}else
|
|
|
|
if( c=='s' && strncmp(azArg[0], "schema", n)==0 ){
|
|
ShellState data;
|
|
char *zErrMsg = 0;
|
|
open_db(p, 0);
|
|
memcpy(&data, p, sizeof(data));
|
|
data.showHeader = 0;
|
|
data.cMode = data.mode = MODE_Semi;
|
|
if( nArg>=2 && optionMatch(azArg[1], "indent") ){
|
|
data.cMode = data.mode = MODE_Pretty;
|
|
nArg--;
|
|
if( nArg==2 ) azArg[1] = azArg[2];
|
|
}
|
|
if( nArg==2 && azArg[1][0]!='-' ){
|
|
int i;
|
|
for(i=0; azArg[1][i]; i++) azArg[1][i] = ToLower(azArg[1][i]);
|
|
if( strcmp(azArg[1],"sqlite_master")==0 ){
|
|
char *new_argv[2], *new_colv[2];
|
|
new_argv[0] = "CREATE TABLE sqlite_master (\n"
|
|
" type text,\n"
|
|
" name text,\n"
|
|
" tbl_name text,\n"
|
|
" rootpage integer,\n"
|
|
" sql text\n"
|
|
")";
|
|
new_argv[1] = 0;
|
|
new_colv[0] = "sql";
|
|
new_colv[1] = 0;
|
|
callback(&data, 1, new_argv, new_colv);
|
|
rc = SQLITE_OK;
|
|
}else if( strcmp(azArg[1],"sqlite_temp_master")==0 ){
|
|
char *new_argv[2], *new_colv[2];
|
|
new_argv[0] = "CREATE TEMP TABLE sqlite_temp_master (\n"
|
|
" type text,\n"
|
|
" name text,\n"
|
|
" tbl_name text,\n"
|
|
" rootpage integer,\n"
|
|
" sql text\n"
|
|
")";
|
|
new_argv[1] = 0;
|
|
new_colv[0] = "sql";
|
|
new_colv[1] = 0;
|
|
callback(&data, 1, new_argv, new_colv);
|
|
rc = SQLITE_OK;
|
|
}else{
|
|
zShellStatic = azArg[1];
|
|
rc = sqlite3_exec(p->db,
|
|
"SELECT sql FROM "
|
|
" (SELECT sql sql, type type, tbl_name tbl_name, name name, rowid x"
|
|
" FROM sqlite_master UNION ALL"
|
|
" SELECT sql, type, tbl_name, name, rowid FROM sqlite_temp_master) "
|
|
"WHERE lower(tbl_name) LIKE shellstatic()"
|
|
" AND type!='meta' AND sql NOTNULL "
|
|
"ORDER BY rowid",
|
|
callback, &data, &zErrMsg);
|
|
zShellStatic = 0;
|
|
}
|
|
}else if( nArg==1 ){
|
|
rc = sqlite3_exec(p->db,
|
|
"SELECT sql FROM "
|
|
" (SELECT sql sql, type type, tbl_name tbl_name, name name, rowid x"
|
|
" FROM sqlite_master UNION ALL"
|
|
" SELECT sql, type, tbl_name, name, rowid FROM sqlite_temp_master) "
|
|
"WHERE type!='meta' AND sql NOTNULL AND name NOT LIKE 'sqlite_%' "
|
|
"ORDER BY rowid",
|
|
callback, &data, &zErrMsg
|
|
);
|
|
}else{
|
|
raw_printf(stderr, "Usage: .schema ?--indent? ?LIKE-PATTERN?\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
if( zErrMsg ){
|
|
utf8_printf(stderr,"Error: %s\n", zErrMsg);
|
|
sqlite3_free(zErrMsg);
|
|
rc = 1;
|
|
}else if( rc != SQLITE_OK ){
|
|
raw_printf(stderr,"Error: querying schema information\n");
|
|
rc = 1;
|
|
}else{
|
|
rc = 0;
|
|
}
|
|
}else
|
|
|
|
#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_SELECTTRACE)
|
|
if( c=='s' && n==11 && strncmp(azArg[0], "selecttrace", n)==0 ){
|
|
sqlite3SelectTrace = integerValue(azArg[1]);
|
|
}else
|
|
#endif
|
|
|
|
#if defined(SQLITE_ENABLE_SESSION)
|
|
if( c=='s' && strncmp(azArg[0],"session",n)==0 && n>=3 ){
|
|
OpenSession *pSession = &p->aSession[0];
|
|
char **azCmd = &azArg[1];
|
|
int iSes = 0;
|
|
int nCmd = nArg - 1;
|
|
int i;
|
|
if( nArg<=1 ) goto session_syntax_error;
|
|
open_db(p, 0);
|
|
if( nArg>=3 ){
|
|
for(iSes=0; iSes<p->nSession; iSes++){
|
|
if( strcmp(p->aSession[iSes].zName, azArg[1])==0 ) break;
|
|
}
|
|
if( iSes<p->nSession ){
|
|
pSession = &p->aSession[iSes];
|
|
azCmd++;
|
|
nCmd--;
|
|
}else{
|
|
pSession = &p->aSession[0];
|
|
iSes = 0;
|
|
}
|
|
}
|
|
|
|
/* .session attach TABLE
|
|
** Invoke the sqlite3session_attach() interface to attach a particular
|
|
** table so that it is never filtered.
|
|
*/
|
|
if( strcmp(azCmd[0],"attach")==0 ){
|
|
if( nCmd!=2 ) goto session_syntax_error;
|
|
if( pSession->p==0 ){
|
|
session_not_open:
|
|
raw_printf(stderr, "ERROR: No sessions are open\n");
|
|
}else{
|
|
rc = sqlite3session_attach(pSession->p, azCmd[1]);
|
|
if( rc ){
|
|
raw_printf(stderr, "ERROR: sqlite3session_attach() returns %d\n", rc);
|
|
rc = 0;
|
|
}
|
|
}
|
|
}else
|
|
|
|
/* .session changeset FILE
|
|
** .session patchset FILE
|
|
** Write a changeset or patchset into a file. The file is overwritten.
|
|
*/
|
|
if( strcmp(azCmd[0],"changeset")==0 || strcmp(azCmd[0],"patchset")==0 ){
|
|
FILE *out = 0;
|
|
if( nCmd!=2 ) goto session_syntax_error;
|
|
if( pSession->p==0 ) goto session_not_open;
|
|
out = fopen(azCmd[1], "wb");
|
|
if( out==0 ){
|
|
utf8_printf(stderr, "ERROR: cannot open \"%s\" for writing\n", azCmd[1]);
|
|
}else{
|
|
int szChng;
|
|
void *pChng;
|
|
if( azCmd[0][0]=='c' ){
|
|
rc = sqlite3session_changeset(pSession->p, &szChng, &pChng);
|
|
}else{
|
|
rc = sqlite3session_patchset(pSession->p, &szChng, &pChng);
|
|
}
|
|
if( rc ){
|
|
printf("Error: error code %d\n", rc);
|
|
rc = 0;
|
|
}
|
|
if( pChng
|
|
&& fwrite(pChng, szChng, 1, out)!=1 ){
|
|
raw_printf(stderr, "ERROR: Failed to write entire %d-byte output\n",
|
|
szChng);
|
|
}
|
|
sqlite3_free(pChng);
|
|
fclose(out);
|
|
}
|
|
}else
|
|
|
|
/* .session close
|
|
** Close the identified session
|
|
*/
|
|
if( strcmp(azCmd[0], "close")==0 ){
|
|
if( nCmd!=1 ) goto session_syntax_error;
|
|
if( p->nSession ){
|
|
session_close(pSession);
|
|
p->aSession[iSes] = p->aSession[--p->nSession];
|
|
}
|
|
}else
|
|
|
|
/* .session enable ?BOOLEAN?
|
|
** Query or set the enable flag
|
|
*/
|
|
if( strcmp(azCmd[0], "enable")==0 ){
|
|
int ii;
|
|
if( nCmd>2 ) goto session_syntax_error;
|
|
ii = nCmd==1 ? -1 : booleanValue(azCmd[1]);
|
|
if( p->nSession ){
|
|
ii = sqlite3session_enable(pSession->p, ii);
|
|
utf8_printf(p->out, "session %s enable flag = %d\n",
|
|
pSession->zName, ii);
|
|
}
|
|
}else
|
|
|
|
/* .session filter GLOB ....
|
|
** Set a list of GLOB patterns of table names to be excluded.
|
|
*/
|
|
if( strcmp(azCmd[0], "filter")==0 ){
|
|
int ii, nByte;
|
|
if( nCmd<2 ) goto session_syntax_error;
|
|
if( p->nSession ){
|
|
for(ii=0; ii<pSession->nFilter; ii++){
|
|
sqlite3_free(pSession->azFilter[ii]);
|
|
}
|
|
sqlite3_free(pSession->azFilter);
|
|
nByte = sizeof(pSession->azFilter[0])*(nCmd-1);
|
|
pSession->azFilter = sqlite3_malloc( nByte );
|
|
if( pSession->azFilter==0 ){
|
|
raw_printf(stderr, "Error: out or memory\n");
|
|
exit(1);
|
|
}
|
|
for(ii=1; ii<nCmd; ii++){
|
|
pSession->azFilter[ii-1] = sqlite3_mprintf("%s", azCmd[ii]);
|
|
}
|
|
pSession->nFilter = ii-1;
|
|
}
|
|
}else
|
|
|
|
/* .session indirect ?BOOLEAN?
|
|
** Query or set the indirect flag
|
|
*/
|
|
if( strcmp(azCmd[0], "indirect")==0 ){
|
|
int ii;
|
|
if( nCmd>2 ) goto session_syntax_error;
|
|
ii = nCmd==1 ? -1 : booleanValue(azCmd[1]);
|
|
if( p->nSession ){
|
|
ii = sqlite3session_indirect(pSession->p, ii);
|
|
utf8_printf(p->out, "session %s indirect flag = %d\n",
|
|
pSession->zName, ii);
|
|
}
|
|
}else
|
|
|
|
/* .session isempty
|
|
** Determine if the session is empty
|
|
*/
|
|
if( strcmp(azCmd[0], "isempty")==0 ){
|
|
int ii;
|
|
if( nCmd!=1 ) goto session_syntax_error;
|
|
if( p->nSession ){
|
|
ii = sqlite3session_isempty(pSession->p);
|
|
utf8_printf(p->out, "session %s isempty flag = %d\n",
|
|
pSession->zName, ii);
|
|
}
|
|
}else
|
|
|
|
/* .session list
|
|
** List all currently open sessions
|
|
*/
|
|
if( strcmp(azCmd[0],"list")==0 ){
|
|
for(i=0; i<p->nSession; i++){
|
|
utf8_printf(p->out, "%d %s\n", i, p->aSession[i].zName);
|
|
}
|
|
}else
|
|
|
|
/* .session open DB NAME
|
|
** Open a new session called NAME on the attached database DB.
|
|
** DB is normally "main".
|
|
*/
|
|
if( strcmp(azCmd[0],"open")==0 ){
|
|
char *zName;
|
|
if( nCmd!=3 ) goto session_syntax_error;
|
|
zName = azCmd[2];
|
|
if( zName[0]==0 ) goto session_syntax_error;
|
|
for(i=0; i<p->nSession; i++){
|
|
if( strcmp(p->aSession[i].zName,zName)==0 ){
|
|
utf8_printf(stderr, "Session \"%s\" already exists\n", zName);
|
|
goto meta_command_exit;
|
|
}
|
|
}
|
|
if( p->nSession>=ArraySize(p->aSession) ){
|
|
raw_printf(stderr, "Maximum of %d sessions\n", ArraySize(p->aSession));
|
|
goto meta_command_exit;
|
|
}
|
|
pSession = &p->aSession[p->nSession];
|
|
rc = sqlite3session_create(p->db, azCmd[1], &pSession->p);
|
|
if( rc ){
|
|
raw_printf(stderr, "Cannot open session: error code=%d\n", rc);
|
|
rc = 0;
|
|
goto meta_command_exit;
|
|
}
|
|
pSession->nFilter = 0;
|
|
sqlite3session_table_filter(pSession->p, session_filter, pSession);
|
|
p->nSession++;
|
|
pSession->zName = sqlite3_mprintf("%s", zName);
|
|
}else
|
|
/* If no command name matches, show a syntax error */
|
|
session_syntax_error:
|
|
session_help(p);
|
|
}else
|
|
#endif
|
|
|
|
#ifdef SQLITE_DEBUG
|
|
/* Undocumented commands for internal testing. Subject to change
|
|
** without notice. */
|
|
if( c=='s' && n>=10 && strncmp(azArg[0], "selftest-", 9)==0 ){
|
|
if( strncmp(azArg[0]+9, "boolean", n-9)==0 ){
|
|
int i, v;
|
|
for(i=1; i<nArg; i++){
|
|
v = booleanValue(azArg[i]);
|
|
utf8_printf(p->out, "%s: %d 0x%x\n", azArg[i], v, v);
|
|
}
|
|
}
|
|
if( strncmp(azArg[0]+9, "integer", n-9)==0 ){
|
|
int i; sqlite3_int64 v;
|
|
for(i=1; i<nArg; i++){
|
|
char zBuf[200];
|
|
v = integerValue(azArg[i]);
|
|
sqlite3_snprintf(sizeof(zBuf),zBuf,"%s: %lld 0x%llx\n", azArg[i],v,v);
|
|
utf8_printf(p->out, "%s", zBuf);
|
|
}
|
|
}
|
|
}else
|
|
#endif
|
|
|
|
if( c=='s' && strncmp(azArg[0], "separator", n)==0 ){
|
|
if( nArg<2 || nArg>3 ){
|
|
raw_printf(stderr, "Usage: .separator COL ?ROW?\n");
|
|
rc = 1;
|
|
}
|
|
if( nArg>=2 ){
|
|
sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator,
|
|
"%.*s", (int)ArraySize(p->colSeparator)-1, azArg[1]);
|
|
}
|
|
if( nArg>=3 ){
|
|
sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator,
|
|
"%.*s", (int)ArraySize(p->rowSeparator)-1, azArg[2]);
|
|
}
|
|
}else
|
|
|
|
if( c=='s'
|
|
&& (strncmp(azArg[0], "shell", n)==0 || strncmp(azArg[0],"system",n)==0)
|
|
){
|
|
char *zCmd;
|
|
int i, x;
|
|
if( nArg<2 ){
|
|
raw_printf(stderr, "Usage: .system COMMAND\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
zCmd = sqlite3_mprintf(strchr(azArg[1],' ')==0?"%s":"\"%s\"", azArg[1]);
|
|
for(i=2; i<nArg; i++){
|
|
zCmd = sqlite3_mprintf(strchr(azArg[i],' ')==0?"%z %s":"%z \"%s\"",
|
|
zCmd, azArg[i]);
|
|
}
|
|
x = system(zCmd);
|
|
sqlite3_free(zCmd);
|
|
if( x ) raw_printf(stderr, "System command returns %d\n", x);
|
|
}else
|
|
|
|
if( c=='s' && strncmp(azArg[0], "show", n)==0 ){
|
|
static const char *azBool[] = { "off", "on", "full", "unk" };
|
|
int i;
|
|
if( nArg!=1 ){
|
|
raw_printf(stderr, "Usage: .show\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
utf8_printf(p->out, "%12.12s: %s\n","echo", azBool[p->echoOn!=0]);
|
|
utf8_printf(p->out, "%12.12s: %s\n","eqp", azBool[p->autoEQP&3]);
|
|
utf8_printf(p->out, "%12.12s: %s\n","explain",
|
|
p->mode==MODE_Explain ? "on" : p->autoExplain ? "auto" : "off");
|
|
utf8_printf(p->out,"%12.12s: %s\n","headers", azBool[p->showHeader!=0]);
|
|
utf8_printf(p->out, "%12.12s: %s\n","mode", modeDescr[p->mode]);
|
|
utf8_printf(p->out, "%12.12s: ", "nullvalue");
|
|
output_c_string(p->out, p->nullValue);
|
|
raw_printf(p->out, "\n");
|
|
utf8_printf(p->out,"%12.12s: %s\n","output",
|
|
strlen30(p->outfile) ? p->outfile : "stdout");
|
|
utf8_printf(p->out,"%12.12s: ", "colseparator");
|
|
output_c_string(p->out, p->colSeparator);
|
|
raw_printf(p->out, "\n");
|
|
utf8_printf(p->out,"%12.12s: ", "rowseparator");
|
|
output_c_string(p->out, p->rowSeparator);
|
|
raw_printf(p->out, "\n");
|
|
utf8_printf(p->out, "%12.12s: %s\n","stats", azBool[p->statsOn!=0]);
|
|
utf8_printf(p->out, "%12.12s: ", "width");
|
|
for (i=0;i<(int)ArraySize(p->colWidth) && p->colWidth[i] != 0;i++) {
|
|
raw_printf(p->out, "%d ", p->colWidth[i]);
|
|
}
|
|
raw_printf(p->out, "\n");
|
|
}else
|
|
|
|
if( c=='s' && strncmp(azArg[0], "stats", n)==0 ){
|
|
if( nArg==2 ){
|
|
p->statsOn = booleanValue(azArg[1]);
|
|
}else if( nArg==1 ){
|
|
display_stats(p->db, p, 0);
|
|
}else{
|
|
raw_printf(stderr, "Usage: .stats ?on|off?\n");
|
|
rc = 1;
|
|
}
|
|
}else
|
|
|
|
if( c=='t' && n>1 && strncmp(azArg[0], "tables", n)==0 ){
|
|
sqlite3_stmt *pStmt;
|
|
char **azResult;
|
|
int nRow, nAlloc;
|
|
char *zSql = 0;
|
|
int ii;
|
|
open_db(p, 0);
|
|
rc = sqlite3_prepare_v2(p->db, "PRAGMA database_list", -1, &pStmt, 0);
|
|
if( rc ) return shellDatabaseError(p->db);
|
|
|
|
/* Create an SQL statement to query for the list of tables in the
|
|
** main and all attached databases where the table name matches the
|
|
** LIKE pattern bound to variable "?1". */
|
|
zSql = sqlite3_mprintf(
|
|
"SELECT name FROM sqlite_master"
|
|
" WHERE type IN ('table','view')"
|
|
" AND name NOT LIKE 'sqlite_%%'"
|
|
" AND name LIKE ?1");
|
|
while( zSql && sqlite3_step(pStmt)==SQLITE_ROW ){
|
|
const char *zDbName = (const char*)sqlite3_column_text(pStmt, 1);
|
|
if( zDbName==0 || strcmp(zDbName,"main")==0 ) continue;
|
|
if( strcmp(zDbName,"temp")==0 ){
|
|
zSql = sqlite3_mprintf(
|
|
"%z UNION ALL "
|
|
"SELECT 'temp.' || name FROM sqlite_temp_master"
|
|
" WHERE type IN ('table','view')"
|
|
" AND name NOT LIKE 'sqlite_%%'"
|
|
" AND name LIKE ?1", zSql);
|
|
}else{
|
|
zSql = sqlite3_mprintf(
|
|
"%z UNION ALL "
|
|
"SELECT '%q.' || name FROM \"%w\".sqlite_master"
|
|
" WHERE type IN ('table','view')"
|
|
" AND name NOT LIKE 'sqlite_%%'"
|
|
" AND name LIKE ?1", zSql, zDbName, zDbName);
|
|
}
|
|
}
|
|
rc = sqlite3_finalize(pStmt);
|
|
if( zSql && rc==SQLITE_OK ){
|
|
zSql = sqlite3_mprintf("%z ORDER BY 1", zSql);
|
|
if( zSql ) rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
|
|
}
|
|
sqlite3_free(zSql);
|
|
if( !zSql ) return shellNomemError();
|
|
if( rc ) return shellDatabaseError(p->db);
|
|
|
|
/* Run the SQL statement prepared by the above block. Store the results
|
|
** as an array of nul-terminated strings in azResult[]. */
|
|
nRow = nAlloc = 0;
|
|
azResult = 0;
|
|
if( nArg>1 ){
|
|
sqlite3_bind_text(pStmt, 1, azArg[1], -1, SQLITE_TRANSIENT);
|
|
}else{
|
|
sqlite3_bind_text(pStmt, 1, "%", -1, SQLITE_STATIC);
|
|
}
|
|
while( sqlite3_step(pStmt)==SQLITE_ROW ){
|
|
if( nRow>=nAlloc ){
|
|
char **azNew;
|
|
int n2 = nAlloc*2 + 10;
|
|
azNew = sqlite3_realloc64(azResult, sizeof(azResult[0])*n2);
|
|
if( azNew==0 ){
|
|
rc = shellNomemError();
|
|
break;
|
|
}
|
|
nAlloc = n2;
|
|
azResult = azNew;
|
|
}
|
|
azResult[nRow] = sqlite3_mprintf("%s", sqlite3_column_text(pStmt, 0));
|
|
if( 0==azResult[nRow] ){
|
|
rc = shellNomemError();
|
|
break;
|
|
}
|
|
nRow++;
|
|
}
|
|
if( sqlite3_finalize(pStmt)!=SQLITE_OK ){
|
|
rc = shellDatabaseError(p->db);
|
|
}
|
|
|
|
/* Pretty-print the contents of array azResult[] to the output */
|
|
if( rc==0 && nRow>0 ){
|
|
int len, maxlen = 0;
|
|
int i, j;
|
|
int nPrintCol, nPrintRow;
|
|
for(i=0; i<nRow; i++){
|
|
len = strlen30(azResult[i]);
|
|
if( len>maxlen ) maxlen = len;
|
|
}
|
|
nPrintCol = 80/(maxlen+2);
|
|
if( nPrintCol<1 ) nPrintCol = 1;
|
|
nPrintRow = (nRow + nPrintCol - 1)/nPrintCol;
|
|
for(i=0; i<nPrintRow; i++){
|
|
for(j=i; j<nRow; j+=nPrintRow){
|
|
char *zSp = j<nPrintRow ? "" : " ";
|
|
utf8_printf(p->out, "%s%-*s", zSp, maxlen,
|
|
azResult[j] ? azResult[j]:"");
|
|
}
|
|
raw_printf(p->out, "\n");
|
|
}
|
|
}
|
|
|
|
for(ii=0; ii<nRow; ii++) sqlite3_free(azResult[ii]);
|
|
sqlite3_free(azResult);
|
|
}else
|
|
|
|
if( c=='t' && n>=8 && strncmp(azArg[0], "testctrl", n)==0 && nArg>=2 ){
|
|
static const struct {
|
|
const char *zCtrlName; /* Name of a test-control option */
|
|
int ctrlCode; /* Integer code for that option */
|
|
} aCtrl[] = {
|
|
{ "prng_save", SQLITE_TESTCTRL_PRNG_SAVE },
|
|
{ "prng_restore", SQLITE_TESTCTRL_PRNG_RESTORE },
|
|
{ "prng_reset", SQLITE_TESTCTRL_PRNG_RESET },
|
|
{ "bitvec_test", SQLITE_TESTCTRL_BITVEC_TEST },
|
|
{ "fault_install", SQLITE_TESTCTRL_FAULT_INSTALL },
|
|
{ "benign_malloc_hooks", SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS },
|
|
{ "pending_byte", SQLITE_TESTCTRL_PENDING_BYTE },
|
|
{ "assert", SQLITE_TESTCTRL_ASSERT },
|
|
{ "always", SQLITE_TESTCTRL_ALWAYS },
|
|
{ "reserve", SQLITE_TESTCTRL_RESERVE },
|
|
{ "optimizations", SQLITE_TESTCTRL_OPTIMIZATIONS },
|
|
{ "iskeyword", SQLITE_TESTCTRL_ISKEYWORD },
|
|
{ "scratchmalloc", SQLITE_TESTCTRL_SCRATCHMALLOC },
|
|
{ "byteorder", SQLITE_TESTCTRL_BYTEORDER },
|
|
{ "never_corrupt", SQLITE_TESTCTRL_NEVER_CORRUPT },
|
|
{ "imposter", SQLITE_TESTCTRL_IMPOSTER },
|
|
};
|
|
int testctrl = -1;
|
|
int rc2 = 0;
|
|
int i, n2;
|
|
open_db(p, 0);
|
|
|
|
/* convert testctrl text option to value. allow any unique prefix
|
|
** of the option name, or a numerical value. */
|
|
n2 = strlen30(azArg[1]);
|
|
for(i=0; i<ArraySize(aCtrl); i++){
|
|
if( strncmp(azArg[1], aCtrl[i].zCtrlName, n2)==0 ){
|
|
if( testctrl<0 ){
|
|
testctrl = aCtrl[i].ctrlCode;
|
|
}else{
|
|
utf8_printf(stderr, "ambiguous option name: \"%s\"\n", azArg[1]);
|
|
testctrl = -1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if( testctrl<0 ) testctrl = (int)integerValue(azArg[1]);
|
|
if( (testctrl<SQLITE_TESTCTRL_FIRST) || (testctrl>SQLITE_TESTCTRL_LAST) ){
|
|
utf8_printf(stderr,"Error: invalid testctrl option: %s\n", azArg[1]);
|
|
}else{
|
|
switch(testctrl){
|
|
|
|
/* sqlite3_test_control(int, db, int) */
|
|
case SQLITE_TESTCTRL_OPTIMIZATIONS:
|
|
case SQLITE_TESTCTRL_RESERVE:
|
|
if( nArg==3 ){
|
|
int opt = (int)strtol(azArg[2], 0, 0);
|
|
rc2 = sqlite3_test_control(testctrl, p->db, opt);
|
|
raw_printf(p->out, "%d (0x%08x)\n", rc2, rc2);
|
|
} else {
|
|
utf8_printf(stderr,"Error: testctrl %s takes a single int option\n",
|
|
azArg[1]);
|
|
}
|
|
break;
|
|
|
|
/* sqlite3_test_control(int) */
|
|
case SQLITE_TESTCTRL_PRNG_SAVE:
|
|
case SQLITE_TESTCTRL_PRNG_RESTORE:
|
|
case SQLITE_TESTCTRL_PRNG_RESET:
|
|
case SQLITE_TESTCTRL_BYTEORDER:
|
|
if( nArg==2 ){
|
|
rc2 = sqlite3_test_control(testctrl);
|
|
raw_printf(p->out, "%d (0x%08x)\n", rc2, rc2);
|
|
} else {
|
|
utf8_printf(stderr,"Error: testctrl %s takes no options\n",
|
|
azArg[1]);
|
|
}
|
|
break;
|
|
|
|
/* sqlite3_test_control(int, uint) */
|
|
case SQLITE_TESTCTRL_PENDING_BYTE:
|
|
if( nArg==3 ){
|
|
unsigned int opt = (unsigned int)integerValue(azArg[2]);
|
|
rc2 = sqlite3_test_control(testctrl, opt);
|
|
raw_printf(p->out, "%d (0x%08x)\n", rc2, rc2);
|
|
} else {
|
|
utf8_printf(stderr,"Error: testctrl %s takes a single unsigned"
|
|
" int option\n", azArg[1]);
|
|
}
|
|
break;
|
|
|
|
/* sqlite3_test_control(int, int) */
|
|
case SQLITE_TESTCTRL_ASSERT:
|
|
case SQLITE_TESTCTRL_ALWAYS:
|
|
case SQLITE_TESTCTRL_NEVER_CORRUPT:
|
|
if( nArg==3 ){
|
|
int opt = booleanValue(azArg[2]);
|
|
rc2 = sqlite3_test_control(testctrl, opt);
|
|
raw_printf(p->out, "%d (0x%08x)\n", rc2, rc2);
|
|
} else {
|
|
utf8_printf(stderr,"Error: testctrl %s takes a single int option\n",
|
|
azArg[1]);
|
|
}
|
|
break;
|
|
|
|
/* sqlite3_test_control(int, char *) */
|
|
#ifdef SQLITE_N_KEYWORD
|
|
case SQLITE_TESTCTRL_ISKEYWORD:
|
|
if( nArg==3 ){
|
|
const char *opt = azArg[2];
|
|
rc2 = sqlite3_test_control(testctrl, opt);
|
|
raw_printf(p->out, "%d (0x%08x)\n", rc2, rc2);
|
|
} else {
|
|
utf8_printf(stderr,
|
|
"Error: testctrl %s takes a single char * option\n",
|
|
azArg[1]);
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
case SQLITE_TESTCTRL_IMPOSTER:
|
|
if( nArg==5 ){
|
|
rc2 = sqlite3_test_control(testctrl, p->db,
|
|
azArg[2],
|
|
integerValue(azArg[3]),
|
|
integerValue(azArg[4]));
|
|
raw_printf(p->out, "%d (0x%08x)\n", rc2, rc2);
|
|
}else{
|
|
raw_printf(stderr,"Usage: .testctrl imposter dbName onoff tnum\n");
|
|
}
|
|
break;
|
|
|
|
case SQLITE_TESTCTRL_BITVEC_TEST:
|
|
case SQLITE_TESTCTRL_FAULT_INSTALL:
|
|
case SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS:
|
|
case SQLITE_TESTCTRL_SCRATCHMALLOC:
|
|
default:
|
|
utf8_printf(stderr,
|
|
"Error: CLI support for testctrl %s not implemented\n",
|
|
azArg[1]);
|
|
break;
|
|
}
|
|
}
|
|
}else
|
|
|
|
if( c=='t' && n>4 && strncmp(azArg[0], "timeout", n)==0 ){
|
|
open_db(p, 0);
|
|
sqlite3_busy_timeout(p->db, nArg>=2 ? (int)integerValue(azArg[1]) : 0);
|
|
}else
|
|
|
|
if( c=='t' && n>=5 && strncmp(azArg[0], "timer", n)==0 ){
|
|
if( nArg==2 ){
|
|
enableTimer = booleanValue(azArg[1]);
|
|
if( enableTimer && !HAS_TIMER ){
|
|
raw_printf(stderr, "Error: timer not available on this system.\n");
|
|
enableTimer = 0;
|
|
}
|
|
}else{
|
|
raw_printf(stderr, "Usage: .timer on|off\n");
|
|
rc = 1;
|
|
}
|
|
}else
|
|
|
|
if( c=='t' && strncmp(azArg[0], "trace", n)==0 ){
|
|
open_db(p, 0);
|
|
if( nArg!=2 ){
|
|
raw_printf(stderr, "Usage: .trace FILE|off\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
output_file_close(p->traceOut);
|
|
p->traceOut = output_file_open(azArg[1]);
|
|
#if !defined(SQLITE_OMIT_TRACE) && !defined(SQLITE_OMIT_FLOATING_POINT)
|
|
if( p->traceOut==0 ){
|
|
sqlite3_trace_v2(p->db, 0, 0, 0);
|
|
}else{
|
|
sqlite3_trace_v2(p->db, SQLITE_TRACE_STMT, sql_trace_callback,p->traceOut);
|
|
}
|
|
#endif
|
|
}else
|
|
|
|
#if SQLITE_USER_AUTHENTICATION
|
|
if( c=='u' && strncmp(azArg[0], "user", n)==0 ){
|
|
if( nArg<2 ){
|
|
raw_printf(stderr, "Usage: .user SUBCOMMAND ...\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
open_db(p, 0);
|
|
if( strcmp(azArg[1],"login")==0 ){
|
|
if( nArg!=4 ){
|
|
raw_printf(stderr, "Usage: .user login USER PASSWORD\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
rc = sqlite3_user_authenticate(p->db, azArg[2], azArg[3],
|
|
(int)strlen(azArg[3]));
|
|
if( rc ){
|
|
utf8_printf(stderr, "Authentication failed for user %s\n", azArg[2]);
|
|
rc = 1;
|
|
}
|
|
}else if( strcmp(azArg[1],"add")==0 ){
|
|
if( nArg!=5 ){
|
|
raw_printf(stderr, "Usage: .user add USER PASSWORD ISADMIN\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
rc = sqlite3_user_add(p->db, azArg[2],
|
|
azArg[3], (int)strlen(azArg[3]),
|
|
booleanValue(azArg[4]));
|
|
if( rc ){
|
|
raw_printf(stderr, "User-Add failed: %d\n", rc);
|
|
rc = 1;
|
|
}
|
|
}else if( strcmp(azArg[1],"edit")==0 ){
|
|
if( nArg!=5 ){
|
|
raw_printf(stderr, "Usage: .user edit USER PASSWORD ISADMIN\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
rc = sqlite3_user_change(p->db, azArg[2],
|
|
azArg[3], (int)strlen(azArg[3]),
|
|
booleanValue(azArg[4]));
|
|
if( rc ){
|
|
raw_printf(stderr, "User-Edit failed: %d\n", rc);
|
|
rc = 1;
|
|
}
|
|
}else if( strcmp(azArg[1],"delete")==0 ){
|
|
if( nArg!=3 ){
|
|
raw_printf(stderr, "Usage: .user delete USER\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
rc = sqlite3_user_delete(p->db, azArg[2]);
|
|
if( rc ){
|
|
raw_printf(stderr, "User-Delete failed: %d\n", rc);
|
|
rc = 1;
|
|
}
|
|
}else{
|
|
raw_printf(stderr, "Usage: .user login|add|edit|delete ...\n");
|
|
rc = 1;
|
|
goto meta_command_exit;
|
|
}
|
|
}else
|
|
#endif /* SQLITE_USER_AUTHENTICATION */
|
|
|
|
if( c=='v' && strncmp(azArg[0], "version", n)==0 ){
|
|
utf8_printf(p->out, "SQLite %s %s\n" /*extra-version-info*/,
|
|
sqlite3_libversion(), sqlite3_sourceid());
|
|
}else
|
|
|
|
if( c=='v' && strncmp(azArg[0], "vfsinfo", n)==0 ){
|
|
const char *zDbName = nArg==2 ? azArg[1] : "main";
|
|
sqlite3_vfs *pVfs;
|
|
if( p->db ){
|
|
sqlite3_file_control(p->db, zDbName, SQLITE_FCNTL_VFS_POINTER, &pVfs);
|
|
if( pVfs ){
|
|
utf8_printf(p->out, "vfs.zName = \"%s\"\n", pVfs->zName);
|
|
raw_printf(p->out, "vfs.iVersion = %d\n", pVfs->iVersion);
|
|
raw_printf(p->out, "vfs.szOsFile = %d\n", pVfs->szOsFile);
|
|
raw_printf(p->out, "vfs.mxPathname = %d\n", pVfs->mxPathname);
|
|
}
|
|
}
|
|
}else
|
|
|
|
if( c=='v' && strncmp(azArg[0], "vfslist", n)==0 ){
|
|
sqlite3_vfs *pVfs;
|
|
sqlite3_vfs *pCurrent = 0;
|
|
if( p->db ){
|
|
sqlite3_file_control(p->db, "main", SQLITE_FCNTL_VFS_POINTER, &pCurrent);
|
|
}
|
|
for(pVfs=sqlite3_vfs_find(0); pVfs; pVfs=pVfs->pNext){
|
|
utf8_printf(p->out, "vfs.zName = \"%s\"%s\n", pVfs->zName,
|
|
pVfs==pCurrent ? " <--- CURRENT" : "");
|
|
raw_printf(p->out, "vfs.iVersion = %d\n", pVfs->iVersion);
|
|
raw_printf(p->out, "vfs.szOsFile = %d\n", pVfs->szOsFile);
|
|
raw_printf(p->out, "vfs.mxPathname = %d\n", pVfs->mxPathname);
|
|
if( pVfs->pNext ){
|
|
raw_printf(p->out, "-----------------------------------\n");
|
|
}
|
|
}
|
|
}else
|
|
|
|
if( c=='v' && strncmp(azArg[0], "vfsname", n)==0 ){
|
|
const char *zDbName = nArg==2 ? azArg[1] : "main";
|
|
char *zVfsName = 0;
|
|
if( p->db ){
|
|
sqlite3_file_control(p->db, zDbName, SQLITE_FCNTL_VFSNAME, &zVfsName);
|
|
if( zVfsName ){
|
|
utf8_printf(p->out, "%s\n", zVfsName);
|
|
sqlite3_free(zVfsName);
|
|
}
|
|
}
|
|
}else
|
|
|
|
#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE)
|
|
if( c=='w' && strncmp(azArg[0], "wheretrace", n)==0 ){
|
|
sqlite3WhereTrace = nArg>=2 ? booleanValue(azArg[1]) : 0xff;
|
|
}else
|
|
#endif
|
|
|
|
if( c=='w' && strncmp(azArg[0], "width", n)==0 ){
|
|
int j;
|
|
assert( nArg<=ArraySize(azArg) );
|
|
for(j=1; j<nArg && j<ArraySize(p->colWidth); j++){
|
|
p->colWidth[j-1] = (int)integerValue(azArg[j]);
|
|
}
|
|
}else
|
|
|
|
{
|
|
utf8_printf(stderr, "Error: unknown command or invalid arguments: "
|
|
" \"%s\". Enter \".help\" for help\n", azArg[0]);
|
|
rc = 1;
|
|
}
|
|
|
|
meta_command_exit:
|
|
if( p->outCount ){
|
|
p->outCount--;
|
|
if( p->outCount==0 ) output_reset(p);
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
/*
|
|
** Return TRUE if a semicolon occurs anywhere in the first N characters
|
|
** of string z[].
|
|
*/
|
|
static int line_contains_semicolon(const char *z, int N){
|
|
int i;
|
|
for(i=0; i<N; i++){ if( z[i]==';' ) return 1; }
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
** Test to see if a line consists entirely of whitespace.
|
|
*/
|
|
static int _all_whitespace(const char *z){
|
|
for(; *z; z++){
|
|
if( IsSpace(z[0]) ) continue;
|
|
if( *z=='/' && z[1]=='*' ){
|
|
z += 2;
|
|
while( *z && (*z!='*' || z[1]!='/') ){ z++; }
|
|
if( *z==0 ) return 0;
|
|
z++;
|
|
continue;
|
|
}
|
|
if( *z=='-' && z[1]=='-' ){
|
|
z += 2;
|
|
while( *z && *z!='\n' ){ z++; }
|
|
if( *z==0 ) return 1;
|
|
continue;
|
|
}
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
** Return TRUE if the line typed in is an SQL command terminator other
|
|
** than a semi-colon. The SQL Server style "go" command is understood
|
|
** as is the Oracle "/".
|
|
*/
|
|
static int line_is_command_terminator(const char *zLine){
|
|
while( IsSpace(zLine[0]) ){ zLine++; };
|
|
if( zLine[0]=='/' && _all_whitespace(&zLine[1]) ){
|
|
return 1; /* Oracle */
|
|
}
|
|
if( ToLower(zLine[0])=='g' && ToLower(zLine[1])=='o'
|
|
&& _all_whitespace(&zLine[2]) ){
|
|
return 1; /* SQL Server */
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
** Return true if zSql is a complete SQL statement. Return false if it
|
|
** ends in the middle of a string literal or C-style comment.
|
|
*/
|
|
static int line_is_complete(char *zSql, int nSql){
|
|
int rc;
|
|
if( zSql==0 ) return 1;
|
|
zSql[nSql] = ';';
|
|
zSql[nSql+1] = 0;
|
|
rc = sqlite3_complete(zSql);
|
|
zSql[nSql] = 0;
|
|
return rc;
|
|
}
|
|
|
|
/*
|
|
** Read input from *in and process it. If *in==0 then input
|
|
** is interactive - the user is typing it it. Otherwise, input
|
|
** is coming from a file or device. A prompt is issued and history
|
|
** is saved only if input is interactive. An interrupt signal will
|
|
** cause this routine to exit immediately, unless input is interactive.
|
|
**
|
|
** Return the number of errors.
|
|
*/
|
|
static int process_input(ShellState *p, FILE *in){
|
|
char *zLine = 0; /* A single input line */
|
|
char *zSql = 0; /* Accumulated SQL text */
|
|
int nLine; /* Length of current line */
|
|
int nSql = 0; /* Bytes of zSql[] used */
|
|
int nAlloc = 0; /* Allocated zSql[] space */
|
|
int nSqlPrior = 0; /* Bytes of zSql[] used by prior line */
|
|
char *zErrMsg; /* Error message returned */
|
|
int rc; /* Error code */
|
|
int errCnt = 0; /* Number of errors seen */
|
|
int lineno = 0; /* Current line number */
|
|
int startline = 0; /* Line number for start of current input */
|
|
|
|
while( errCnt==0 || !bail_on_error || (in==0 && stdin_is_interactive) ){
|
|
fflush(p->out);
|
|
zLine = one_input_line(in, zLine, nSql>0);
|
|
if( zLine==0 ){
|
|
/* End of input */
|
|
if( stdin_is_interactive ) printf("\n");
|
|
break;
|
|
}
|
|
if( seenInterrupt ){
|
|
if( in!=0 ) break;
|
|
seenInterrupt = 0;
|
|
}
|
|
lineno++;
|
|
if( nSql==0 && _all_whitespace(zLine) ){
|
|
if( p->echoOn ) printf("%s\n", zLine);
|
|
continue;
|
|
}
|
|
if( zLine && zLine[0]=='.' && nSql==0 ){
|
|
if( p->echoOn ) printf("%s\n", zLine);
|
|
rc = do_meta_command(zLine, p);
|
|
if( rc==2 ){ /* exit requested */
|
|
break;
|
|
}else if( rc ){
|
|
errCnt++;
|
|
}
|
|
continue;
|
|
}
|
|
if( line_is_command_terminator(zLine) && line_is_complete(zSql, nSql) ){
|
|
memcpy(zLine,";",2);
|
|
}
|
|
nLine = strlen30(zLine);
|
|
if( nSql+nLine+2>=nAlloc ){
|
|
nAlloc = nSql+nLine+100;
|
|
zSql = realloc(zSql, nAlloc);
|
|
if( zSql==0 ){
|
|
raw_printf(stderr, "Error: out of memory\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
nSqlPrior = nSql;
|
|
if( nSql==0 ){
|
|
int i;
|
|
for(i=0; zLine[i] && IsSpace(zLine[i]); i++){}
|
|
assert( nAlloc>0 && zSql!=0 );
|
|
memcpy(zSql, zLine+i, nLine+1-i);
|
|
startline = lineno;
|
|
nSql = nLine-i;
|
|
}else{
|
|
zSql[nSql++] = '\n';
|
|
memcpy(zSql+nSql, zLine, nLine+1);
|
|
nSql += nLine;
|
|
}
|
|
if( nSql && line_contains_semicolon(&zSql[nSqlPrior], nSql-nSqlPrior)
|
|
&& sqlite3_complete(zSql) ){
|
|
p->cnt = 0;
|
|
open_db(p, 0);
|
|
if( p->backslashOn ) resolve_backslashes(zSql);
|
|
BEGIN_TIMER;
|
|
rc = shell_exec(p->db, zSql, shell_callback, p, &zErrMsg);
|
|
END_TIMER;
|
|
if( rc || zErrMsg ){
|
|
char zPrefix[100];
|
|
if( in!=0 || !stdin_is_interactive ){
|
|
sqlite3_snprintf(sizeof(zPrefix), zPrefix,
|
|
"Error: near line %d:", startline);
|
|
}else{
|
|
sqlite3_snprintf(sizeof(zPrefix), zPrefix, "Error:");
|
|
}
|
|
if( zErrMsg!=0 ){
|
|
utf8_printf(stderr, "%s %s\n", zPrefix, zErrMsg);
|
|
sqlite3_free(zErrMsg);
|
|
zErrMsg = 0;
|
|
}else{
|
|
utf8_printf(stderr, "%s %s\n", zPrefix, sqlite3_errmsg(p->db));
|
|
}
|
|
errCnt++;
|
|
}else if( p->countChanges ){
|
|
raw_printf(p->out, "changes: %3d total_changes: %d\n",
|
|
sqlite3_changes(p->db), sqlite3_total_changes(p->db));
|
|
}
|
|
nSql = 0;
|
|
if( p->outCount ){
|
|
output_reset(p);
|
|
p->outCount = 0;
|
|
}
|
|
}else if( nSql && _all_whitespace(zSql) ){
|
|
if( p->echoOn ) printf("%s\n", zSql);
|
|
nSql = 0;
|
|
}
|
|
}
|
|
if( nSql ){
|
|
if( !_all_whitespace(zSql) ){
|
|
utf8_printf(stderr, "Error: incomplete SQL: %s\n", zSql);
|
|
errCnt++;
|
|
}
|
|
}
|
|
free(zSql);
|
|
free(zLine);
|
|
return errCnt>0;
|
|
}
|
|
|
|
/*
|
|
** Return a pathname which is the user's home directory. A
|
|
** 0 return indicates an error of some kind.
|
|
*/
|
|
static char *find_home_dir(void){
|
|
static char *home_dir = NULL;
|
|
if( home_dir ) return home_dir;
|
|
|
|
#if !defined(_WIN32) && !defined(WIN32) && !defined(_WIN32_WCE) \
|
|
&& !defined(__RTP__) && !defined(_WRS_KERNEL)
|
|
{
|
|
struct passwd *pwent;
|
|
uid_t uid = getuid();
|
|
if( (pwent=getpwuid(uid)) != NULL) {
|
|
home_dir = pwent->pw_dir;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#if defined(_WIN32_WCE)
|
|
/* Windows CE (arm-wince-mingw32ce-gcc) does not provide getenv()
|
|
*/
|
|
home_dir = "/";
|
|
#else
|
|
|
|
#if defined(_WIN32) || defined(WIN32)
|
|
if (!home_dir) {
|
|
home_dir = getenv("USERPROFILE");
|
|
}
|
|
#endif
|
|
|
|
if (!home_dir) {
|
|
home_dir = getenv("HOME");
|
|
}
|
|
|
|
#if defined(_WIN32) || defined(WIN32)
|
|
if (!home_dir) {
|
|
char *zDrive, *zPath;
|
|
int n;
|
|
zDrive = getenv("HOMEDRIVE");
|
|
zPath = getenv("HOMEPATH");
|
|
if( zDrive && zPath ){
|
|
n = strlen30(zDrive) + strlen30(zPath) + 1;
|
|
home_dir = malloc( n );
|
|
if( home_dir==0 ) return 0;
|
|
sqlite3_snprintf(n, home_dir, "%s%s", zDrive, zPath);
|
|
return home_dir;
|
|
}
|
|
home_dir = "c:\\";
|
|
}
|
|
#endif
|
|
|
|
#endif /* !_WIN32_WCE */
|
|
|
|
if( home_dir ){
|
|
int n = strlen30(home_dir) + 1;
|
|
char *z = malloc( n );
|
|
if( z ) memcpy(z, home_dir, n);
|
|
home_dir = z;
|
|
}
|
|
|
|
return home_dir;
|
|
}
|
|
|
|
/*
|
|
** Read input from the file given by sqliterc_override. Or if that
|
|
** parameter is NULL, take input from ~/.sqliterc
|
|
**
|
|
** Returns the number of errors.
|
|
*/
|
|
static void process_sqliterc(
|
|
ShellState *p, /* Configuration data */
|
|
const char *sqliterc_override /* Name of config file. NULL to use default */
|
|
){
|
|
char *home_dir = NULL;
|
|
const char *sqliterc = sqliterc_override;
|
|
char *zBuf = 0;
|
|
FILE *in = NULL;
|
|
|
|
if (sqliterc == NULL) {
|
|
home_dir = find_home_dir();
|
|
if( home_dir==0 ){
|
|
raw_printf(stderr, "-- warning: cannot find home directory;"
|
|
" cannot read ~/.sqliterc\n");
|
|
return;
|
|
}
|
|
sqlite3_initialize();
|
|
zBuf = sqlite3_mprintf("%s/.sqliterc",home_dir);
|
|
sqliterc = zBuf;
|
|
}
|
|
in = fopen(sqliterc,"rb");
|
|
if( in ){
|
|
if( stdin_is_interactive ){
|
|
utf8_printf(stderr,"-- Loading resources from %s\n",sqliterc);
|
|
}
|
|
process_input(p,in);
|
|
fclose(in);
|
|
}
|
|
sqlite3_free(zBuf);
|
|
}
|
|
|
|
/*
|
|
** Show available command line options
|
|
*/
|
|
static const char zOptions[] =
|
|
" -ascii set output mode to 'ascii'\n"
|
|
" -bail stop after hitting an error\n"
|
|
" -batch force batch I/O\n"
|
|
" -column set output mode to 'column'\n"
|
|
" -cmd COMMAND run \"COMMAND\" before reading stdin\n"
|
|
" -csv set output mode to 'csv'\n"
|
|
" -echo print commands before execution\n"
|
|
" -init FILENAME read/process named file\n"
|
|
" -[no]header turn headers on or off\n"
|
|
#if defined(SQLITE_ENABLE_MEMSYS3) || defined(SQLITE_ENABLE_MEMSYS5)
|
|
" -heap SIZE Size of heap for memsys3 or memsys5\n"
|
|
#endif
|
|
" -help show this message\n"
|
|
" -html set output mode to HTML\n"
|
|
" -interactive force interactive I/O\n"
|
|
" -line set output mode to 'line'\n"
|
|
" -list set output mode to 'list'\n"
|
|
" -lookaside SIZE N use N entries of SZ bytes for lookaside memory\n"
|
|
" -mmap N default mmap size set to N\n"
|
|
#ifdef SQLITE_ENABLE_MULTIPLEX
|
|
" -multiplex enable the multiplexor VFS\n"
|
|
#endif
|
|
" -newline SEP set output row separator. Default: '\\n'\n"
|
|
" -nullvalue TEXT set text string for NULL values. Default ''\n"
|
|
" -pagecache SIZE N use N slots of SZ bytes each for page cache memory\n"
|
|
" -scratch SIZE N use N slots of SZ bytes each for scratch memory\n"
|
|
" -separator SEP set output column separator. Default: '|'\n"
|
|
" -stats print memory stats before each finalize\n"
|
|
" -version show SQLite version\n"
|
|
" -vfs NAME use NAME as the default VFS\n"
|
|
#ifdef SQLITE_ENABLE_VFSTRACE
|
|
" -vfstrace enable tracing of all VFS calls\n"
|
|
#endif
|
|
;
|
|
static void usage(int showDetail){
|
|
utf8_printf(stderr,
|
|
"Usage: %s [OPTIONS] FILENAME [SQL]\n"
|
|
"FILENAME is the name of an SQLite database. A new database is created\n"
|
|
"if the file does not previously exist.\n", Argv0);
|
|
if( showDetail ){
|
|
utf8_printf(stderr, "OPTIONS include:\n%s", zOptions);
|
|
}else{
|
|
raw_printf(stderr, "Use the -help option for additional information\n");
|
|
}
|
|
exit(1);
|
|
}
|
|
|
|
/*
|
|
** Initialize the state information in data
|
|
*/
|
|
static void main_init(ShellState *data) {
|
|
memset(data, 0, sizeof(*data));
|
|
data->normalMode = data->cMode = data->mode = MODE_List;
|
|
data->autoExplain = 1;
|
|
memcpy(data->colSeparator,SEP_Column, 2);
|
|
memcpy(data->rowSeparator,SEP_Row, 2);
|
|
data->showHeader = 0;
|
|
data->shellFlgs = SHFLG_Lookaside;
|
|
sqlite3_config(SQLITE_CONFIG_URI, 1);
|
|
sqlite3_config(SQLITE_CONFIG_LOG, shellLog, data);
|
|
sqlite3_config(SQLITE_CONFIG_MULTITHREAD);
|
|
sqlite3_snprintf(sizeof(mainPrompt), mainPrompt,"sqlite> ");
|
|
sqlite3_snprintf(sizeof(continuePrompt), continuePrompt," ...> ");
|
|
}
|
|
|
|
/*
|
|
** Output text to the console in a font that attracts extra attention.
|
|
*/
|
|
#ifdef _WIN32
|
|
static void printBold(const char *zText){
|
|
HANDLE out = GetStdHandle(STD_OUTPUT_HANDLE);
|
|
CONSOLE_SCREEN_BUFFER_INFO defaultScreenInfo;
|
|
GetConsoleScreenBufferInfo(out, &defaultScreenInfo);
|
|
SetConsoleTextAttribute(out,
|
|
FOREGROUND_RED|FOREGROUND_INTENSITY
|
|
);
|
|
printf("%s", zText);
|
|
SetConsoleTextAttribute(out, defaultScreenInfo.wAttributes);
|
|
}
|
|
#else
|
|
static void printBold(const char *zText){
|
|
printf("\033[1m%s\033[0m", zText);
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
** Get the argument to an --option. Throw an error and die if no argument
|
|
** is available.
|
|
*/
|
|
static char *cmdline_option_value(int argc, char **argv, int i){
|
|
if( i==argc ){
|
|
utf8_printf(stderr, "%s: Error: missing argument to %s\n",
|
|
argv[0], argv[argc-1]);
|
|
exit(1);
|
|
}
|
|
return argv[i];
|
|
}
|
|
|
|
#ifndef SQLITE_SHELL_IS_UTF8
|
|
# if (defined(_WIN32) || defined(WIN32)) && defined(_MSC_VER)
|
|
# define SQLITE_SHELL_IS_UTF8 (0)
|
|
# else
|
|
# define SQLITE_SHELL_IS_UTF8 (1)
|
|
# endif
|
|
#endif
|
|
|
|
#if SQLITE_SHELL_IS_UTF8
|
|
int SQLITE_CDECL main(int argc, char **argv){
|
|
#else
|
|
int SQLITE_CDECL wmain(int argc, wchar_t **wargv){
|
|
char **argv;
|
|
#endif
|
|
char *zErrMsg = 0;
|
|
ShellState data;
|
|
const char *zInitFile = 0;
|
|
int i;
|
|
int rc = 0;
|
|
int warnInmemoryDb = 0;
|
|
int readStdin = 1;
|
|
int nCmd = 0;
|
|
char **azCmd = 0;
|
|
|
|
setBinaryMode(stdin, 0);
|
|
setvbuf(stderr, 0, _IONBF, 0); /* Make sure stderr is unbuffered */
|
|
stdin_is_interactive = isatty(0);
|
|
stdout_is_console = isatty(1);
|
|
|
|
#if USE_SYSTEM_SQLITE+0!=1
|
|
if( strcmp(sqlite3_sourceid(),SQLITE_SOURCE_ID)!=0 ){
|
|
utf8_printf(stderr, "SQLite header and source version mismatch\n%s\n%s\n",
|
|
sqlite3_sourceid(), SQLITE_SOURCE_ID);
|
|
exit(1);
|
|
}
|
|
#endif
|
|
main_init(&data);
|
|
#if !SQLITE_SHELL_IS_UTF8
|
|
sqlite3_initialize();
|
|
argv = sqlite3_malloc64(sizeof(argv[0])*argc);
|
|
if( argv==0 ){
|
|
raw_printf(stderr, "out of memory\n");
|
|
exit(1);
|
|
}
|
|
for(i=0; i<argc; i++){
|
|
argv[i] = sqlite3_win32_unicode_to_utf8(wargv[i]);
|
|
if( argv[i]==0 ){
|
|
raw_printf(stderr, "out of memory\n");
|
|
exit(1);
|
|
}
|
|
}
|
|
#endif
|
|
assert( argc>=1 && argv && argv[0] );
|
|
Argv0 = argv[0];
|
|
|
|
/* Make sure we have a valid signal handler early, before anything
|
|
** else is done.
|
|
*/
|
|
#ifdef SIGINT
|
|
signal(SIGINT, interrupt_handler);
|
|
#endif
|
|
|
|
#ifdef SQLITE_SHELL_DBNAME_PROC
|
|
{
|
|
/* If the SQLITE_SHELL_DBNAME_PROC macro is defined, then it is the name
|
|
** of a C-function that will provide the name of the database file. Use
|
|
** this compile-time option to embed this shell program in larger
|
|
** applications. */
|
|
extern void SQLITE_SHELL_DBNAME_PROC(const char**);
|
|
SQLITE_SHELL_DBNAME_PROC(&data.zDbFilename);
|
|
warnInmemoryDb = 0;
|
|
}
|
|
#endif
|
|
|
|
/* Do an initial pass through the command-line argument to locate
|
|
** the name of the database file, the name of the initialization file,
|
|
** the size of the alternative malloc heap,
|
|
** and the first command to execute.
|
|
*/
|
|
for(i=1; i<argc; i++){
|
|
char *z;
|
|
z = argv[i];
|
|
if( z[0]!='-' ){
|
|
if( data.zDbFilename==0 ){
|
|
data.zDbFilename = z;
|
|
}else{
|
|
/* Excesss arguments are interpreted as SQL (or dot-commands) and
|
|
** mean that nothing is read from stdin */
|
|
readStdin = 0;
|
|
nCmd++;
|
|
azCmd = realloc(azCmd, sizeof(azCmd[0])*nCmd);
|
|
if( azCmd==0 ){
|
|
raw_printf(stderr, "out of memory\n");
|
|
exit(1);
|
|
}
|
|
azCmd[nCmd-1] = z;
|
|
}
|
|
}
|
|
if( z[1]=='-' ) z++;
|
|
if( strcmp(z,"-separator")==0
|
|
|| strcmp(z,"-nullvalue")==0
|
|
|| strcmp(z,"-newline")==0
|
|
|| strcmp(z,"-cmd")==0
|
|
){
|
|
(void)cmdline_option_value(argc, argv, ++i);
|
|
}else if( strcmp(z,"-init")==0 ){
|
|
zInitFile = cmdline_option_value(argc, argv, ++i);
|
|
}else if( strcmp(z,"-batch")==0 ){
|
|
/* Need to check for batch mode here to so we can avoid printing
|
|
** informational messages (like from process_sqliterc) before
|
|
** we do the actual processing of arguments later in a second pass.
|
|
*/
|
|
stdin_is_interactive = 0;
|
|
}else if( strcmp(z,"-heap")==0 ){
|
|
#if defined(SQLITE_ENABLE_MEMSYS3) || defined(SQLITE_ENABLE_MEMSYS5)
|
|
const char *zSize;
|
|
sqlite3_int64 szHeap;
|
|
|
|
zSize = cmdline_option_value(argc, argv, ++i);
|
|
szHeap = integerValue(zSize);
|
|
if( szHeap>0x7fff0000 ) szHeap = 0x7fff0000;
|
|
sqlite3_config(SQLITE_CONFIG_HEAP, malloc((int)szHeap), (int)szHeap, 64);
|
|
#else
|
|
(void)cmdline_option_value(argc, argv, ++i);
|
|
#endif
|
|
}else if( strcmp(z,"-scratch")==0 ){
|
|
int n, sz;
|
|
sz = (int)integerValue(cmdline_option_value(argc,argv,++i));
|
|
if( sz>400000 ) sz = 400000;
|
|
if( sz<2500 ) sz = 2500;
|
|
n = (int)integerValue(cmdline_option_value(argc,argv,++i));
|
|
if( n>10 ) n = 10;
|
|
if( n<1 ) n = 1;
|
|
sqlite3_config(SQLITE_CONFIG_SCRATCH, malloc(n*sz+1), sz, n);
|
|
data.shellFlgs |= SHFLG_Scratch;
|
|
}else if( strcmp(z,"-pagecache")==0 ){
|
|
int n, sz;
|
|
sz = (int)integerValue(cmdline_option_value(argc,argv,++i));
|
|
if( sz>70000 ) sz = 70000;
|
|
if( sz<0 ) sz = 0;
|
|
n = (int)integerValue(cmdline_option_value(argc,argv,++i));
|
|
sqlite3_config(SQLITE_CONFIG_PAGECACHE,
|
|
(n>0 && sz>0) ? malloc(n*sz) : 0, sz, n);
|
|
data.shellFlgs |= SHFLG_Pagecache;
|
|
}else if( strcmp(z,"-lookaside")==0 ){
|
|
int n, sz;
|
|
sz = (int)integerValue(cmdline_option_value(argc,argv,++i));
|
|
if( sz<0 ) sz = 0;
|
|
n = (int)integerValue(cmdline_option_value(argc,argv,++i));
|
|
if( n<0 ) n = 0;
|
|
sqlite3_config(SQLITE_CONFIG_LOOKASIDE, sz, n);
|
|
if( sz*n==0 ) data.shellFlgs &= ~SHFLG_Lookaside;
|
|
#ifdef SQLITE_ENABLE_VFSTRACE
|
|
}else if( strcmp(z,"-vfstrace")==0 ){
|
|
extern int vfstrace_register(
|
|
const char *zTraceName,
|
|
const char *zOldVfsName,
|
|
int (*xOut)(const char*,void*),
|
|
void *pOutArg,
|
|
int makeDefault
|
|
);
|
|
vfstrace_register("trace",0,(int(*)(const char*,void*))fputs,stderr,1);
|
|
#endif
|
|
#ifdef SQLITE_ENABLE_MULTIPLEX
|
|
}else if( strcmp(z,"-multiplex")==0 ){
|
|
extern int sqlite3_multiple_initialize(const char*,int);
|
|
sqlite3_multiplex_initialize(0, 1);
|
|
#endif
|
|
}else if( strcmp(z,"-mmap")==0 ){
|
|
sqlite3_int64 sz = integerValue(cmdline_option_value(argc,argv,++i));
|
|
sqlite3_config(SQLITE_CONFIG_MMAP_SIZE, sz, sz);
|
|
}else if( strcmp(z,"-vfs")==0 ){
|
|
sqlite3_vfs *pVfs = sqlite3_vfs_find(cmdline_option_value(argc,argv,++i));
|
|
if( pVfs ){
|
|
sqlite3_vfs_register(pVfs, 1);
|
|
}else{
|
|
utf8_printf(stderr, "no such VFS: \"%s\"\n", argv[i]);
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
if( data.zDbFilename==0 ){
|
|
#ifndef SQLITE_OMIT_MEMORYDB
|
|
data.zDbFilename = ":memory:";
|
|
warnInmemoryDb = argc==1;
|
|
#else
|
|
utf8_printf(stderr,"%s: Error: no database filename specified\n", Argv0);
|
|
return 1;
|
|
#endif
|
|
}
|
|
data.out = stdout;
|
|
|
|
/* Go ahead and open the database file if it already exists. If the
|
|
** file does not exist, delay opening it. This prevents empty database
|
|
** files from being created if a user mistypes the database name argument
|
|
** to the sqlite command-line tool.
|
|
*/
|
|
if( access(data.zDbFilename, 0)==0 ){
|
|
open_db(&data, 0);
|
|
}
|
|
|
|
/* Process the initialization file if there is one. If no -init option
|
|
** is given on the command line, look for a file named ~/.sqliterc and
|
|
** try to process it.
|
|
*/
|
|
process_sqliterc(&data,zInitFile);
|
|
|
|
/* Make a second pass through the command-line argument and set
|
|
** options. This second pass is delayed until after the initialization
|
|
** file is processed so that the command-line arguments will override
|
|
** settings in the initialization file.
|
|
*/
|
|
for(i=1; i<argc; i++){
|
|
char *z = argv[i];
|
|
if( z[0]!='-' ) continue;
|
|
if( z[1]=='-' ){ z++; }
|
|
if( strcmp(z,"-init")==0 ){
|
|
i++;
|
|
}else if( strcmp(z,"-html")==0 ){
|
|
data.mode = MODE_Html;
|
|
}else if( strcmp(z,"-list")==0 ){
|
|
data.mode = MODE_List;
|
|
}else if( strcmp(z,"-line")==0 ){
|
|
data.mode = MODE_Line;
|
|
}else if( strcmp(z,"-column")==0 ){
|
|
data.mode = MODE_Column;
|
|
}else if( strcmp(z,"-csv")==0 ){
|
|
data.mode = MODE_Csv;
|
|
memcpy(data.colSeparator,",",2);
|
|
}else if( strcmp(z,"-ascii")==0 ){
|
|
data.mode = MODE_Ascii;
|
|
sqlite3_snprintf(sizeof(data.colSeparator), data.colSeparator,
|
|
SEP_Unit);
|
|
sqlite3_snprintf(sizeof(data.rowSeparator), data.rowSeparator,
|
|
SEP_Record);
|
|
}else if( strcmp(z,"-separator")==0 ){
|
|
sqlite3_snprintf(sizeof(data.colSeparator), data.colSeparator,
|
|
"%s",cmdline_option_value(argc,argv,++i));
|
|
}else if( strcmp(z,"-newline")==0 ){
|
|
sqlite3_snprintf(sizeof(data.rowSeparator), data.rowSeparator,
|
|
"%s",cmdline_option_value(argc,argv,++i));
|
|
}else if( strcmp(z,"-nullvalue")==0 ){
|
|
sqlite3_snprintf(sizeof(data.nullValue), data.nullValue,
|
|
"%s",cmdline_option_value(argc,argv,++i));
|
|
}else if( strcmp(z,"-header")==0 ){
|
|
data.showHeader = 1;
|
|
}else if( strcmp(z,"-noheader")==0 ){
|
|
data.showHeader = 0;
|
|
}else if( strcmp(z,"-echo")==0 ){
|
|
data.echoOn = 1;
|
|
}else if( strcmp(z,"-eqp")==0 ){
|
|
data.autoEQP = 1;
|
|
}else if( strcmp(z,"-eqpfull")==0 ){
|
|
data.autoEQP = 2;
|
|
}else if( strcmp(z,"-stats")==0 ){
|
|
data.statsOn = 1;
|
|
}else if( strcmp(z,"-scanstats")==0 ){
|
|
data.scanstatsOn = 1;
|
|
}else if( strcmp(z,"-backslash")==0 ){
|
|
/* Undocumented command-line option: -backslash
|
|
** Causes C-style backslash escapes to be evaluated in SQL statements
|
|
** prior to sending the SQL into SQLite. Useful for injecting
|
|
** crazy bytes in the middle of SQL statements for testing and debugging.
|
|
*/
|
|
data.backslashOn = 1;
|
|
}else if( strcmp(z,"-bail")==0 ){
|
|
bail_on_error = 1;
|
|
}else if( strcmp(z,"-version")==0 ){
|
|
printf("%s %s\n", sqlite3_libversion(), sqlite3_sourceid());
|
|
return 0;
|
|
}else if( strcmp(z,"-interactive")==0 ){
|
|
stdin_is_interactive = 1;
|
|
}else if( strcmp(z,"-batch")==0 ){
|
|
stdin_is_interactive = 0;
|
|
}else if( strcmp(z,"-heap")==0 ){
|
|
i++;
|
|
}else if( strcmp(z,"-scratch")==0 ){
|
|
i+=2;
|
|
}else if( strcmp(z,"-pagecache")==0 ){
|
|
i+=2;
|
|
}else if( strcmp(z,"-lookaside")==0 ){
|
|
i+=2;
|
|
}else if( strcmp(z,"-mmap")==0 ){
|
|
i++;
|
|
}else if( strcmp(z,"-vfs")==0 ){
|
|
i++;
|
|
#ifdef SQLITE_ENABLE_VFSTRACE
|
|
}else if( strcmp(z,"-vfstrace")==0 ){
|
|
i++;
|
|
#endif
|
|
#ifdef SQLITE_ENABLE_MULTIPLEX
|
|
}else if( strcmp(z,"-multiplex")==0 ){
|
|
i++;
|
|
#endif
|
|
}else if( strcmp(z,"-help")==0 ){
|
|
usage(1);
|
|
}else if( strcmp(z,"-cmd")==0 ){
|
|
/* Run commands that follow -cmd first and separately from commands
|
|
** that simply appear on the command-line. This seems goofy. It would
|
|
** be better if all commands ran in the order that they appear. But
|
|
** we retain the goofy behavior for historical compatibility. */
|
|
if( i==argc-1 ) break;
|
|
z = cmdline_option_value(argc,argv,++i);
|
|
if( z[0]=='.' ){
|
|
rc = do_meta_command(z, &data);
|
|
if( rc && bail_on_error ) return rc==2 ? 0 : rc;
|
|
}else{
|
|
open_db(&data, 0);
|
|
rc = shell_exec(data.db, z, shell_callback, &data, &zErrMsg);
|
|
if( zErrMsg!=0 ){
|
|
utf8_printf(stderr,"Error: %s\n", zErrMsg);
|
|
if( bail_on_error ) return rc!=0 ? rc : 1;
|
|
}else if( rc!=0 ){
|
|
utf8_printf(stderr,"Error: unable to process SQL \"%s\"\n", z);
|
|
if( bail_on_error ) return rc;
|
|
}
|
|
}
|
|
}else{
|
|
utf8_printf(stderr,"%s: Error: unknown option: %s\n", Argv0, z);
|
|
raw_printf(stderr,"Use -help for a list of options.\n");
|
|
return 1;
|
|
}
|
|
data.cMode = data.mode;
|
|
}
|
|
|
|
if( !readStdin ){
|
|
/* Run all arguments that do not begin with '-' as if they were separate
|
|
** command-line inputs, except for the argToSkip argument which contains
|
|
** the database filename.
|
|
*/
|
|
for(i=0; i<nCmd; i++){
|
|
if( azCmd[i][0]=='.' ){
|
|
rc = do_meta_command(azCmd[i], &data);
|
|
if( rc ) return rc==2 ? 0 : rc;
|
|
}else{
|
|
open_db(&data, 0);
|
|
rc = shell_exec(data.db, azCmd[i], shell_callback, &data, &zErrMsg);
|
|
if( zErrMsg!=0 ){
|
|
utf8_printf(stderr,"Error: %s\n", zErrMsg);
|
|
return rc!=0 ? rc : 1;
|
|
}else if( rc!=0 ){
|
|
utf8_printf(stderr,"Error: unable to process SQL: %s\n", azCmd[i]);
|
|
return rc;
|
|
}
|
|
}
|
|
}
|
|
free(azCmd);
|
|
}else{
|
|
/* Run commands received from standard input
|
|
*/
|
|
if( stdin_is_interactive ){
|
|
char *zHome;
|
|
char *zHistory = 0;
|
|
int nHistory;
|
|
printf(
|
|
"SQLite version %s %.19s\n" /*extra-version-info*/
|
|
"Enter \".help\" for usage hints.\n",
|
|
sqlite3_libversion(), sqlite3_sourceid()
|
|
);
|
|
if( warnInmemoryDb ){
|
|
printf("Connected to a ");
|
|
printBold("transient in-memory database");
|
|
printf(".\nUse \".open FILENAME\" to reopen on a "
|
|
"persistent database.\n");
|
|
}
|
|
zHome = find_home_dir();
|
|
if( zHome ){
|
|
nHistory = strlen30(zHome) + 20;
|
|
if( (zHistory = malloc(nHistory))!=0 ){
|
|
sqlite3_snprintf(nHistory, zHistory,"%s/.sqlite_history", zHome);
|
|
}
|
|
}
|
|
if( zHistory ){ shell_read_history(zHistory); }
|
|
rc = process_input(&data, 0);
|
|
if( zHistory ){
|
|
shell_stifle_history(100);
|
|
shell_write_history(zHistory);
|
|
free(zHistory);
|
|
}
|
|
}else{
|
|
rc = process_input(&data, stdin);
|
|
}
|
|
}
|
|
set_table_name(&data, 0);
|
|
if( data.db ){
|
|
session_close_all(&data);
|
|
sqlite3_close(data.db);
|
|
}
|
|
sqlite3_free(data.zFreeOnClose);
|
|
#if !SQLITE_SHELL_IS_UTF8
|
|
for(i=0; i<argc; i++) sqlite3_free(argv[i]);
|
|
sqlite3_free(argv);
|
|
#endif
|
|
return rc;
|
|
}
|