diff options
author | Marc Espie <espie@cvs.openbsd.org> | 2012-04-14 13:22:41 +0000 |
---|---|---|
committer | Marc Espie <espie@cvs.openbsd.org> | 2012-04-14 13:22:41 +0000 |
commit | 4965714dbd41a2f54e6ee8d380b945a6c7da0f98 (patch) | |
tree | 70c2cc4612e717eb8eb50ee0cb262e2bb1ad3dde | |
parent | a4d53e272242624cbc2c5985311521ace8518e09 (diff) |
sqlite3 shell, vendor 3.7.11
-rw-r--r-- | usr.bin/sqlite3/shell.c | 3050 |
1 files changed, 3050 insertions, 0 deletions
diff --git a/usr.bin/sqlite3/shell.c b/usr.bin/sqlite3/shell.c new file mode 100644 index 00000000000..d3ddfa95360 --- /dev/null +++ b/usr.bin/sqlite3/shell.c @@ -0,0 +1,3050 @@ +/* +** 2001 September 15 +** +** The author disclaims copyright to this source code. In place of +** a legal notice, here is a blessing: +** +** May you do good and not evil. +** May you find forgiveness for yourself and forgive others. +** May you share freely, never taking more than you give. +** +************************************************************************* +** This file contains code to implement the "sqlite" command line +** utility for accessing SQLite databases. +*/ +#if (defined(_WIN32) || defined(WIN32)) && !defined(_CRT_SECURE_NO_WARNINGS) +/* This needs to come before any includes for MSVC compiler */ +#define _CRT_SECURE_NO_WARNINGS +#endif + +/* +** Enable large-file support for fopen() and friends on unix. +*/ +#ifndef SQLITE_DISABLE_LFS +# define _LARGE_FILE 1 +# ifndef _FILE_OFFSET_BITS +# define _FILE_OFFSET_BITS 64 +# endif +# define _LARGEFILE_SOURCE 1 +#endif + +#include <stdlib.h> +#include <string.h> +#include <stdio.h> +#include <assert.h> +#include "sqlite3.h" +#include <ctype.h> +#include <stdarg.h> + +#if !defined(_WIN32) && !defined(WIN32) && !defined(__OS2__) +# include <signal.h> +# if !defined(__RTP__) && !defined(_WRS_KERNEL) +# include <pwd.h> +# endif +# include <unistd.h> +# include <sys/types.h> +#endif + +#ifdef __OS2__ +# include <unistd.h> +#endif + +#ifdef HAVE_EDITLINE +# include <editline/editline.h> +#endif +#if defined(HAVE_READLINE) && HAVE_READLINE==1 +# include <readline/readline.h> +# include <readline/history.h> +#endif +#if !defined(HAVE_EDITLINE) && (!defined(HAVE_READLINE) || HAVE_READLINE!=1) +# define readline(p) local_getline(p,stdin,0) +# define add_history(X) +# define read_history(X) +# define write_history(X) +# define stifle_history(X) +#endif + +#if defined(_WIN32) || defined(WIN32) +# include <io.h> +#define isatty(h) _isatty(h) +#define access(f,m) _access((f),(m)) +#else +/* Make sure isatty() has a prototype. +*/ +extern int isatty(int); +#endif + +#if defined(_WIN32_WCE) +/* Windows CE (arm-wince-mingw32ce-gcc) does not provide isatty() + * thus we always assume that we have a console. That can be + * overridden with the -batch command line option. + */ +#define isatty(x) 1 +#endif + +/* True if the timer is enabled */ +static int enableTimer = 0; + +/* ctype macros that work with signed characters */ +#define IsSpace(X) isspace((unsigned char)X) +#define IsDigit(X) isdigit((unsigned char)X) +#define ToLower(X) (char)tolower((unsigned char)X) + +#if !defined(_WIN32) && !defined(WIN32) && !defined(__OS2__) && !defined(__RTP__) && !defined(_WRS_KERNEL) +#include <sys/time.h> +#include <sys/resource.h> + +/* Saved resource information for the beginning of an operation */ +static struct rusage sBegin; + +/* +** Begin timing an operation +*/ +static void beginTimer(void){ + if( enableTimer ){ + getrusage(RUSAGE_SELF, &sBegin); + } +} + +/* Return the difference of two time_structs in seconds */ +static double timeDiff(struct timeval *pStart, struct timeval *pEnd){ + return (pEnd->tv_usec - pStart->tv_usec)*0.000001 + + (double)(pEnd->tv_sec - pStart->tv_sec); +} + +/* +** Print the timing results. +*/ +static void endTimer(void){ + if( enableTimer ){ + struct rusage sEnd; + getrusage(RUSAGE_SELF, &sEnd); + printf("CPU Time: user %f sys %f\n", + timeDiff(&sBegin.ru_utime, &sEnd.ru_utime), + timeDiff(&sBegin.ru_stime, &sEnd.ru_stime)); + } +} + +#define BEGIN_TIMER beginTimer() +#define END_TIMER endTimer() +#define HAS_TIMER 1 + +#elif (defined(_WIN32) || defined(WIN32)) + +#include <windows.h> + +/* Saved resource information for the beginning of an operation */ +static HANDLE hProcess; +static FILETIME ftKernelBegin; +static FILETIME ftUserBegin; +typedef BOOL (WINAPI *GETPROCTIMES)(HANDLE, LPFILETIME, LPFILETIME, LPFILETIME, LPFILETIME); +static GETPROCTIMES getProcessTimesAddr = NULL; + +/* +** Check to see if we have timer support. Return 1 if necessary +** support found (or found previously). +*/ +static int hasTimer(void){ + if( getProcessTimesAddr ){ + return 1; + } else { + /* GetProcessTimes() isn't supported in WIN95 and some other Windows versions. + ** See if the version we are running on has it, and if it does, save off + ** a pointer to it and the current process handle. + */ + hProcess = GetCurrentProcess(); + if( hProcess ){ + HINSTANCE hinstLib = LoadLibrary(TEXT("Kernel32.dll")); + if( NULL != hinstLib ){ + getProcessTimesAddr = (GETPROCTIMES) GetProcAddress(hinstLib, "GetProcessTimes"); + if( NULL != getProcessTimesAddr ){ + return 1; + } + FreeLibrary(hinstLib); + } + } + } + return 0; +} + +/* +** Begin timing an operation +*/ +static void beginTimer(void){ + if( enableTimer && getProcessTimesAddr ){ + FILETIME ftCreation, ftExit; + getProcessTimesAddr(hProcess, &ftCreation, &ftExit, &ftKernelBegin, &ftUserBegin); + } +} + +/* Return the difference of two FILETIME structs in seconds */ +static double timeDiff(FILETIME *pStart, FILETIME *pEnd){ + sqlite_int64 i64Start = *((sqlite_int64 *) pStart); + sqlite_int64 i64End = *((sqlite_int64 *) pEnd); + return (double) ((i64End - i64Start) / 10000000.0); +} + +/* +** Print the timing results. +*/ +static void endTimer(void){ + if( enableTimer && getProcessTimesAddr){ + FILETIME ftCreation, ftExit, ftKernelEnd, ftUserEnd; + getProcessTimesAddr(hProcess, &ftCreation, &ftExit, &ftKernelEnd, &ftUserEnd); + printf("CPU Time: user %f sys %f\n", + timeDiff(&ftUserBegin, &ftUserEnd), + timeDiff(&ftKernelBegin, &ftKernelEnd)); + } +} + +#define BEGIN_TIMER beginTimer() +#define END_TIMER endTimer() +#define HAS_TIMER hasTimer() + +#else +#define BEGIN_TIMER +#define END_TIMER +#define HAS_TIMER 0 +#endif + +/* +** Used to prevent warnings about unused parameters +*/ +#define UNUSED_PARAMETER(x) (void)(x) + +/* +** If the following flag is set, then command execution stops +** at an error if we are not interactive. +*/ +static int bail_on_error = 0; + +/* +** Threat stdin as an interactive input if the following variable +** is true. Otherwise, assume stdin is connected to a file or pipe. +*/ +static int stdin_is_interactive = 1; + +/* +** The following is the open SQLite database. We make a pointer +** to this database a static variable so that it can be accessed +** by the SIGINT handler to interrupt database processing. +*/ +static sqlite3 *db = 0; + +/* +** True if an interrupt (Control-C) has been received. +*/ +static volatile int seenInterrupt = 0; + +/* +** This is the name of our program. It is set in main(), used +** in a number of other places, mostly for error messages. +*/ +static char *Argv0; + +/* +** Prompt strings. Initialized in main. Settable with +** .prompt main continue +*/ +static char mainPrompt[20]; /* First line prompt. default: "sqlite> "*/ +static char continuePrompt[20]; /* Continuation prompt. default: " ...> " */ + +/* +** Write I/O traces to the following stream. +*/ +#ifdef SQLITE_ENABLE_IOTRACE +static FILE *iotrace = 0; +#endif + +/* +** This routine works like printf in that its first argument is a +** format string and subsequent arguments are values to be substituted +** in place of % fields. The result of formatting this string +** is written to iotrace. +*/ +#ifdef SQLITE_ENABLE_IOTRACE +static void iotracePrintf(const char *zFormat, ...){ + va_list ap; + char *z; + if( iotrace==0 ) return; + va_start(ap, zFormat); + z = sqlite3_vmprintf(zFormat, ap); + va_end(ap); + fprintf(iotrace, "%s", z); + sqlite3_free(z); +} +#endif + + +/* +** Determines if a string is a number of not. +*/ +static int isNumber(const char *z, int *realnum){ + if( *z=='-' || *z=='+' ) z++; + if( !IsDigit(*z) ){ + return 0; + } + z++; + if( realnum ) *realnum = 0; + while( IsDigit(*z) ){ z++; } + if( *z=='.' ){ + z++; + if( !IsDigit(*z) ) return 0; + while( IsDigit(*z) ){ z++; } + if( realnum ) *realnum = 1; + } + if( *z=='e' || *z=='E' ){ + z++; + if( *z=='+' || *z=='-' ) z++; + if( !IsDigit(*z) ) return 0; + while( IsDigit(*z) ){ z++; } + if( realnum ) *realnum = 1; + } + return *z==0; +} + +/* +** A global char* and an SQL function to access its current value +** from within an SQL statement. This program used to use the +** sqlite_exec_printf() API to substitue a string into an SQL statement. +** The correct way to do this with sqlite3 is to use the bind API, but +** since the shell is built around the callback paradigm it would be a lot +** of work. Instead just use this hack, which is quite harmless. +*/ +static const char *zShellStatic = 0; +static void shellstaticFunc( + sqlite3_context *context, + int argc, + sqlite3_value **argv +){ + assert( 0==argc ); + assert( zShellStatic ); + UNUSED_PARAMETER(argc); + UNUSED_PARAMETER(argv); + sqlite3_result_text(context, zShellStatic, -1, SQLITE_STATIC); +} + + +/* +** This routine reads a line of text from FILE in, stores +** 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. +** +** The interface is like "readline" but no command-line editing +** is done. +*/ +static char *local_getline(char *zPrompt, FILE *in, int csvFlag){ + char *zLine; + int nLine; + int n; + int inQuote = 0; + + if( zPrompt && *zPrompt ){ + printf("%s",zPrompt); + fflush(stdout); + } + nLine = 100; + zLine = malloc( nLine ); + if( zLine==0 ) return 0; + n = 0; + while( 1 ){ + if( n+100>nLine ){ + nLine = nLine*2 + 100; + zLine = realloc(zLine, nLine); + if( zLine==0 ) return 0; + } + if( fgets(&zLine[n], nLine - n, in)==0 ){ + if( n==0 ){ + free(zLine); + return 0; + } + zLine[n] = 0; + break; + } + while( zLine[n] ){ + if( zLine[n]=='"' ) inQuote = !inQuote; + n++; + } + if( n>0 && zLine[n-1]=='\n' && (!inQuote || !csvFlag) ){ + n--; + if( n>0 && zLine[n-1]=='\r' ) n--; + zLine[n] = 0; + break; + } + } + zLine = realloc( zLine, n+1 ); + return zLine; +} + +/* +** Retrieve a single line of input text. +** +** zPrior is a string of prior text retrieved. If not the empty +** string, then issue a continuation prompt. +*/ +static char *one_input_line(const char *zPrior, FILE *in){ + char *zPrompt; + char *zResult; + if( in!=0 ){ + return local_getline(0, in, 0); + } + if( zPrior && zPrior[0] ){ + zPrompt = continuePrompt; + }else{ + zPrompt = mainPrompt; + } + zResult = readline(zPrompt); +#if defined(HAVE_READLINE) && HAVE_READLINE==1 + if( zResult && *zResult ) add_history(zResult); +#endif + return zResult; +} + +struct previous_mode_data { + int valid; /* Is there legit data in here? */ + int mode; + int showHeader; + int colWidth[100]; +}; + +/* +** An pointer to an instance of this structure is passed from +** the main program to the callback. This is used to communicate +** state and mode information. +*/ +struct callback_data { + sqlite3 *db; /* The database */ + int echoOn; /* True to echo input commands */ + int statsOn; /* True to display memory stats before each finalize */ + int cnt; /* Number of records displayed so far */ + FILE *out; /* Write results here */ + int nErr; /* Number of errors seen */ + int mode; /* An output mode setting */ + int writableSchema; /* True if PRAGMA writable_schema=ON */ + int showHeader; /* True to show column names in List or Column mode */ + char *zDestTable; /* Name of destination table when MODE_Insert */ + char separator[20]; /* Separator character for MODE_List */ + 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 */ + struct previous_mode_data explainPrev; + /* Holds the mode information just before + ** .explain ON */ + char outfile[FILENAME_MAX]; /* Filename for *out */ + const char *zDbFilename; /* name of the database file */ + const char *zVfs; /* Name of VFS to use */ + sqlite3_stmt *pStmt; /* Current statement if any. */ + FILE *pLog; /* Write log output here */ +}; + +/* +** 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 */ + +static const char *modeDescr[] = { + "line", + "column", + "list", + "semi", + "html", + "insert", + "tcl", + "csv", + "explain", +}; + +/* +** Number of elements in an array +*/ +#define ArraySize(X) (int)(sizeof(X)/sizeof(X[0])) + +/* +** 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){ + const char *z2 = z; + while( *z2 ){ z2++; } + return 0x3fffffff & (int)(z2 - z); +} + +/* +** A callback for the sqlite3_log() interface. +*/ +static void shellLog(void *pArg, int iErrCode, const char *zMsg){ + struct callback_data *p = (struct callback_data*)pArg; + if( p->pLog==0 ) return; + fprintf(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; + fprintf(out,"X'"); + for(i=0; i<nBlob; i++){ fprintf(out,"%02x",zBlob[i]); } + fprintf(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; + for(i=0; z[i]; i++){ + if( z[i]=='\'' ) nSingle++; + } + if( nSingle==0 ){ + fprintf(out,"'%s'",z); + }else{ + fprintf(out,"'"); + while( *z ){ + for(i=0; z[i] && z[i]!='\''; i++){} + if( i==0 ){ + fprintf(out,"''"); + z++; + }else if( z[i]=='\'' ){ + fprintf(out,"%.*s''",i,z); + z += i+1; + }else{ + fprintf(out,"%s",z); + break; + } + } + fprintf(out,"'"); + } +} + +/* +** 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=='\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) ){ + fprintf(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; + while( *z ){ + for(i=0; z[i] + && z[i]!='<' + && z[i]!='&' + && z[i]!='>' + && z[i]!='\"' + && z[i]!='\''; + i++){} + if( i>0 ){ + fprintf(out,"%.*s",i,z); + } + if( z[i]=='<' ){ + fprintf(out,"<"); + }else if( z[i]=='&' ){ + fprintf(out,"&"); + }else if( z[i]=='>' ){ + fprintf(out,">"); + }else if( z[i]=='\"' ){ + fprintf(out,"""); + }else if( z[i]=='\'' ){ + fprintf(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->separator is used for +** the separator, which may or may not be a comma. p->nullvalue is +** the null value. Strings are quoted if necessary. +*/ +static void output_csv(struct callback_data *p, const char *z, int bSep){ + FILE *out = p->out; + if( z==0 ){ + fprintf(out,"%s",p->nullvalue); + }else{ + int i; + int nSep = strlen30(p->separator); + for(i=0; z[i]; i++){ + if( needCsvQuote[((unsigned char*)z)[i]] + || (z[i]==p->separator[0] && + (nSep==1 || memcmp(z, p->separator, 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{ + fprintf(out, "%s", z); + } + } + if( bSep ){ + fprintf(p->out, "%s", p->separator); + } +} + +#ifdef SIGINT +/* +** This routine runs when the user presses Ctrl-C +*/ +static void interrupt_handler(int NotUsed){ + UNUSED_PARAMETER(NotUsed); + seenInterrupt = 1; + if( db ) sqlite3_interrupt(db); +} +#endif + +/* +** This is the callback routine that the shell +** invokes for each row of a query result. +*/ +static int shell_callback(void *pArg, int nArg, char **azArg, char **azCol, int *aiType){ + int i; + struct callback_data *p = (struct callback_data*)pArg; + + switch( p->mode ){ + 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 ) fprintf(p->out,"\n"); + for(i=0; i<nArg; i++){ + fprintf(p->out,"%*s = %s\n", w, azCol[i], + azArg[i] ? azArg[i] : p->nullvalue); + } + break; + } + case MODE_Explain: + case MODE_Column: { + if( p->cnt++==0 ){ + for(i=0; i<nArg; i++){ + int w, n; + if( i<ArraySize(p->colWidth) ){ + w = p->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( p->showHeader ){ + fprintf(p->out,"%-*.*s%s",w,w,azCol[i], i==nArg-1 ? "\n": " "); + } + } + if( p->showHeader ){ + for(i=0; i<nArg; i++){ + int w; + if( i<ArraySize(p->actualWidth) ){ + w = p->actualWidth[i]; + }else{ + w = 10; + } + fprintf(p->out,"%-*.*s%s",w,w,"-----------------------------------" + "----------------------------------------------------------", + i==nArg-1 ? "\n": " "); + } + } + } + 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->mode==MODE_Explain && azArg[i] && + strlen30(azArg[i])>w ){ + w = strlen30(azArg[i]); + } + fprintf(p->out,"%-*.*s%s",w,w, + azArg[i] ? azArg[i] : p->nullvalue, i==nArg-1 ? "\n": " "); + } + break; + } + case MODE_Semi: + case MODE_List: { + if( p->cnt++==0 && p->showHeader ){ + for(i=0; i<nArg; i++){ + fprintf(p->out,"%s%s",azCol[i], i==nArg-1 ? "\n" : p->separator); + } + } + if( azArg==0 ) break; + for(i=0; i<nArg; i++){ + char *z = azArg[i]; + if( z==0 ) z = p->nullvalue; + fprintf(p->out, "%s", z); + if( i<nArg-1 ){ + fprintf(p->out, "%s", p->separator); + }else if( p->mode==MODE_Semi ){ + fprintf(p->out, ";\n"); + }else{ + fprintf(p->out, "\n"); + } + } + break; + } + case MODE_Html: { + if( p->cnt++==0 && p->showHeader ){ + fprintf(p->out,"<TR>"); + for(i=0; i<nArg; i++){ + fprintf(p->out,"<TH>"); + output_html_string(p->out, azCol[i]); + fprintf(p->out,"</TH>\n"); + } + fprintf(p->out,"</TR>\n"); + } + if( azArg==0 ) break; + fprintf(p->out,"<TR>"); + for(i=0; i<nArg; i++){ + fprintf(p->out,"<TD>"); + output_html_string(p->out, azArg[i] ? azArg[i] : p->nullvalue); + fprintf(p->out,"</TD>\n"); + } + fprintf(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] : ""); + fprintf(p->out, "%s", p->separator); + } + fprintf(p->out,"\n"); + } + if( azArg==0 ) break; + for(i=0; i<nArg; i++){ + output_c_string(p->out, azArg[i] ? azArg[i] : p->nullvalue); + fprintf(p->out, "%s", p->separator); + } + fprintf(p->out,"\n"); + break; + } + case MODE_Csv: { + if( p->cnt++==0 && p->showHeader ){ + for(i=0; i<nArg; i++){ + output_csv(p, azCol[i] ? azCol[i] : "", i<nArg-1); + } + fprintf(p->out,"\n"); + } + if( azArg==0 ) break; + for(i=0; i<nArg; i++){ + output_csv(p, azArg[i], i<nArg-1); + } + fprintf(p->out,"\n"); + break; + } + case MODE_Insert: { + p->cnt++; + if( azArg==0 ) break; + fprintf(p->out,"INSERT INTO %s VALUES(",p->zDestTable); + for(i=0; i<nArg; i++){ + char *zSep = i>0 ? ",": ""; + if( (azArg[i]==0) || (aiType && aiType[i]==SQLITE_NULL) ){ + fprintf(p->out,"%sNULL",zSep); + }else if( aiType && aiType[i]==SQLITE_TEXT ){ + if( zSep[0] ) fprintf(p->out,"%s",zSep); + output_quoted_string(p->out, azArg[i]); + }else if( aiType && (aiType[i]==SQLITE_INTEGER || aiType[i]==SQLITE_FLOAT) ){ + fprintf(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] ) fprintf(p->out,"%s",zSep); + output_hex_blob(p->out, pBlob, nBlob); + }else if( isNumber(azArg[i], 0) ){ + fprintf(p->out,"%s%s",zSep, azArg[i]); + }else{ + if( zSep[0] ) fprintf(p->out,"%s",zSep); + output_quoted_string(p->out, azArg[i]); + } + } + fprintf(p->out,");\n"); + 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 callback_data structure to +** the name of the table given. Escape any quote characters in the +** table name. +*/ +static void set_table_name(struct callback_data *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 ){ + fprintf(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( + struct callback_data *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(p->db, zSelect, -1, &pSelect, 0); + if( rc!=SQLITE_OK || !pSelect ){ + fprintf(p->out, "/**** ERROR: (%d) %s *****/\n", rc, sqlite3_errmsg(p->db)); + p->nErr++; + return rc; + } + rc = sqlite3_step(pSelect); + nResult = sqlite3_column_count(pSelect); + while( rc==SQLITE_ROW ){ + if( zFirstRow ){ + fprintf(p->out, "%s", zFirstRow); + zFirstRow = 0; + } + z = (const char*)sqlite3_column_text(pSelect, 0); + fprintf(p->out, "%s", z); + for(i=1; i<nResult; i++){ + fprintf(p->out, ",%s", sqlite3_column_text(pSelect, i)); + } + if( z==0 ) z = ""; + while( z[0] && (z[0]!='-' || z[1]!='-') ) z++; + if( z[0] ){ + fprintf(p->out, "\n;\n"); + }else{ + fprintf(p->out, ";\n"); + } + rc = sqlite3_step(pSelect); + } + rc = sqlite3_finalize(pSelect); + if( rc!=SQLITE_OK ){ + fprintf(p->out, "/**** ERROR: (%d) %s *****/\n", rc, sqlite3_errmsg(p->db)); + 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_malloc(nErrMsg); + if( zErrMsg ){ + memcpy(zErrMsg, sqlite3_errmsg(db), nErrMsg); + } + return zErrMsg; +} + +/* +** Display memory stats. +*/ +static int display_stats( + sqlite3 *db, /* Database to query */ + struct callback_data *pArg, /* Pointer to struct callback_data */ + 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); + fprintf(pArg->out, "Memory Used: %d (max %d) bytes\n", iCur, iHiwtr); + iHiwtr = iCur = -1; + sqlite3_status(SQLITE_STATUS_MALLOC_COUNT, &iCur, &iHiwtr, bReset); + fprintf(pArg->out, "Number of Outstanding Allocations: %d (max %d)\n", iCur, iHiwtr); +/* +** Not currently used by the CLI. +** iHiwtr = iCur = -1; +** sqlite3_status(SQLITE_STATUS_PAGECACHE_USED, &iCur, &iHiwtr, bReset); +** fprintf(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); + fprintf(pArg->out, "Number of Pcache Overflow Bytes: %d (max %d) bytes\n", iCur, iHiwtr); +/* +** Not currently used by the CLI. +** iHiwtr = iCur = -1; +** sqlite3_status(SQLITE_STATUS_SCRATCH_USED, &iCur, &iHiwtr, bReset); +** fprintf(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); + fprintf(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); + fprintf(pArg->out, "Largest Allocation: %d bytes\n", iHiwtr); + iHiwtr = iCur = -1; + sqlite3_status(SQLITE_STATUS_PAGECACHE_SIZE, &iCur, &iHiwtr, bReset); + fprintf(pArg->out, "Largest Pcache Allocation: %d bytes\n", iHiwtr); + iHiwtr = iCur = -1; + sqlite3_status(SQLITE_STATUS_SCRATCH_SIZE, &iCur, &iHiwtr, bReset); + fprintf(pArg->out, "Largest Scratch Allocation: %d bytes\n", iHiwtr); +#ifdef YYTRACKMAXSTACKDEPTH + iHiwtr = iCur = -1; + sqlite3_status(SQLITE_STATUS_PARSER_STACK, &iCur, &iHiwtr, bReset); + fprintf(pArg->out, "Deepest Parser Stack: %d (max %d)\n", iCur, iHiwtr); +#endif + } + + if( pArg && pArg->out && db ){ + iHiwtr = iCur = -1; + sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_USED, &iCur, &iHiwtr, bReset); + fprintf(pArg->out, "Lookaside Slots Used: %d (max %d)\n", iCur, iHiwtr); + sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_HIT, &iCur, &iHiwtr, bReset); + fprintf(pArg->out, "Successful lookaside attempts: %d\n", iHiwtr); + sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE, &iCur, &iHiwtr, bReset); + fprintf(pArg->out, "Lookaside failures due to size: %d\n", iHiwtr); + sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL, &iCur, &iHiwtr, bReset); + fprintf(pArg->out, "Lookaside failures due to OOM: %d\n", iHiwtr); + iHiwtr = iCur = -1; + sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_USED, &iCur, &iHiwtr, bReset); + fprintf(pArg->out, "Pager Heap Usage: %d bytes\n", iCur); iHiwtr = iCur = -1; + sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_HIT, &iCur, &iHiwtr, 1); + fprintf(pArg->out, "Page cache hits: %d\n", iCur); + iHiwtr = iCur = -1; + sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_MISS, &iCur, &iHiwtr, 1); + fprintf(pArg->out, "Page cache misses: %d\n", iCur); + iHiwtr = iCur = -1; + sqlite3_db_status(db, SQLITE_DBSTATUS_SCHEMA_USED, &iCur, &iHiwtr, bReset); + fprintf(pArg->out, "Schema Heap Usage: %d bytes\n", iCur); + iHiwtr = iCur = -1; + sqlite3_db_status(db, SQLITE_DBSTATUS_STMT_USED, &iCur, &iHiwtr, bReset); + fprintf(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); + fprintf(pArg->out, "Fullscan Steps: %d\n", iCur); + iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_SORT, bReset); + fprintf(pArg->out, "Sort Operations: %d\n", iCur); + iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_AUTOINDEX, bReset); + fprintf(pArg->out, "Autoindex Inserts: %d\n", iCur); + } + + return 0; +} + +/* +** 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) */ + struct callback_data *pArg, /* Pointer to struct callback_data */ + 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) ){ + 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; + } + + /* 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 ){ + const char *zStmtSql = sqlite3_sql(pStmt); + fprintf(pArg->out, "%s\n", zStmtSql ? zStmtSql : zSql); + } + + /* Output TESTCTRL_EXPLAIN text of requested */ + if( pArg && pArg->mode==MODE_Explain ){ + const char *zExplain = 0; + sqlite3_test_control(SQLITE_TESTCTRL_EXPLAIN_STMT, pStmt, &zExplain); + if( zExplain && zExplain[0] ){ + fprintf(pArg->out, "%s", zExplain); + } + } + + /* 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_malloc(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; + 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++){ + azVals[i] = (char *)sqlite3_column_text(pStmt, i); + aiTypes[i] = sqlite3_column_type(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 ); + } + } + + /* print usage stats if stats on */ + if( pArg && pArg->statsOn ){ + display_stats(db, pArg, 0); + } + + /* 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; + struct callback_data *p = (struct callback_data *)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( strcmp(zTable, "sqlite_stat1")==0 ){ + fprintf(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 ){ + fprintf(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); + fprintf(p->out, "%s\n", zIns); + sqlite3_free(zIns); + return 0; + }else{ + fprintf(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; + int kk; + + zTableInfo = appendText(zTableInfo, "PRAGMA table_info(", 0); + zTableInfo = appendText(zTableInfo, zTable, '"'); + zTableInfo = appendText(zTableInfo, ");", 0); + + rc = sqlite3_prepare(p->db, zTableInfo, -1, &pTableInfo, 0); + free(zTableInfo); + if( rc!=SQLITE_OK || !pTableInfo ){ + return 1; + } + + zSelect = appendText(zSelect, "SELECT 'INSERT INTO ' || ", 0); + if( !isalpha(zTable[0]) ){ + kk = 0; + }else{ + for(kk=1; isalnum(zTable[kk]); kk++){} + } + zTmp = appendText(zTmp, zTable, zTable[kk] ? '"' : 0); + if( zTmp ){ + zSelect = appendText(zSelect, 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); + } + if( zSelect ) 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( + struct callback_data *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); + fprintf(p->out, "/****** CORRUPTION ERROR *******/\n"); + if( zErr ){ + fprintf(p->out, "/****** %s ******/\n", zErr); + sqlite3_free(zErr); + zErr = 0; + } + zQ2 = malloc( len+100 ); + if( zQ2==0 ) return rc; + sqlite3_snprintf(sizeof(zQ2), zQ2, "%s ORDER BY rowid DESC", zQuery); + rc = sqlite3_exec(p->db, zQ2, dump_callback, p, &zErr); + if( rc ){ + fprintf(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[] = + ".backup ?DB? FILE Backup DB (default \"main\") to FILE\n" + ".bail ON|OFF Stop after hitting an error. Default OFF\n" + ".databases List names and files of attached databases\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" + ".exit Exit this program\n" + ".explain ?ON|OFF? Turn output mode suitable for EXPLAIN on or off.\n" + " With no args, it turns EXPLAIN on.\n" + ".header(s) 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" + ".indices ?TABLE? Show names of all indices\n" + " If TABLE specified, only show indices for tables\n" + " matching LIKE pattern TABLE.\n" +#ifdef SQLITE_ENABLE_IOTRACE + ".iotrace FILE Enable I/O diagnostic logging to FILE\n" +#endif +#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" + " 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 string\n" + " tabs Tab-separated values\n" + " tcl TCL list elements\n" + ".nullvalue STRING Print STRING in place of NULL values\n" + ".output FILENAME Send output to FILENAME\n" + ".output stdout Send output to the screen\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" + ".schema ?TABLE? Show the CREATE statements\n" + " If TABLE specified, only show tables matching\n" + " LIKE pattern TABLE.\n" + ".separator STRING Change separator used by output mode and .import\n" + ".show Show the current values for various settings\n" + ".stats ON|OFF Turn stats on or off\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" + ".vfsname ?AUX? Print the name of the VFS stack\n" + ".width NUM1 NUM2 ... Set column widths for \"column\" mode\n" +; + +static char zTimerHelp[] = + ".timer ON|OFF Turn the CPU timer measurement on or off\n" +; + +/* Forward reference */ +static int process_input(struct callback_data *p, FILE *in); + +/* +** 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(struct callback_data *p){ + if( p->db==0 ){ + sqlite3_open(p->zDbFilename, &p->db); + db = p->db; + if( db && sqlite3_errcode(db)==SQLITE_OK ){ + sqlite3_create_function(db, "shellstatic", 0, SQLITE_UTF8, 0, + shellstaticFunc, 0, 0); + } + if( db==0 || SQLITE_OK!=sqlite3_errcode(db) ){ + fprintf(stderr,"Error: unable to open database \"%s\": %s\n", + p->zDbFilename, sqlite3_errmsg(db)); + exit(1); + } +#ifndef SQLITE_OMIT_LOAD_EXTENSION + sqlite3_enable_load_extension(p->db, 1); +#endif + } +} + +/* +** Do C-language style dequoting. +** +** \t -> tab +** \n -> newline +** \r -> carriage return +** \NNN -> ascii character NNN in octal +** \\ -> backslash +*/ +static void resolve_backslashes(char *z){ + int i, j; + char c; + for(i=j=0; (c = z[i])!=0; i++, j++){ + if( c=='\\' ){ + c = z[++i]; + if( c=='n' ){ + c = '\n'; + }else if( c=='t' ){ + c = '\t'; + }else if( c=='r' ){ + c = '\r'; + }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; + } + z[j] = 0; +} + +/* +** Interpret zArg as a boolean value. Return either 0 or 1. +*/ +static int booleanValue(char *zArg){ + int val = atoi(zArg); + int j; + for(j=0; zArg[j]; j++){ + zArg[j] = ToLower(zArg[j]); + } + if( strcmp(zArg,"on")==0 ){ + val = 1; + }else if( strcmp(zArg,"yes")==0 ){ + val = 1; + } + return val; +} + +/* +** 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, struct callback_data *p){ + int i = 1; + int nArg = 0; + int n, c; + int rc = 0; + char *azArg[50]; + + /* Parse the input line into tokens. + */ + while( zLine[i] && nArg<ArraySize(azArg) ){ + while( IsSpace(zLine[i]) ){ i++; } + if( zLine[i]==0 ) break; + if( zLine[i]=='\'' || zLine[i]=='"' ){ + int delim = zLine[i++]; + azArg[nArg++] = &zLine[i]; + while( zLine[i] && zLine[i]!=delim ){ i++; } + if( zLine[i]==delim ){ + zLine[i++] = 0; + } + if( delim=='"' ) resolve_backslashes(azArg[nArg-1]); + }else{ + azArg[nArg++] = &zLine[i]; + while( zLine[i] && !IsSpace(zLine[i]) ){ i++; } + if( zLine[i] ) zLine[i++] = 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=='b' && n>=3 && strncmp(azArg[0], "backup", n)==0 && nArg>1 && nArg<4){ + const char *zDestFile; + const char *zDb; + sqlite3 *pDest; + sqlite3_backup *pBackup; + if( nArg==2 ){ + zDestFile = azArg[1]; + zDb = "main"; + }else{ + zDestFile = azArg[2]; + zDb = azArg[1]; + } + rc = sqlite3_open(zDestFile, &pDest); + if( rc!=SQLITE_OK ){ + fprintf(stderr, "Error: cannot open \"%s\"\n", zDestFile); + sqlite3_close(pDest); + return 1; + } + open_db(p); + pBackup = sqlite3_backup_init(pDest, "main", p->db, zDb); + if( pBackup==0 ){ + fprintf(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{ + fprintf(stderr, "Error: %s\n", sqlite3_errmsg(pDest)); + rc = 1; + } + sqlite3_close(pDest); + }else + + if( c=='b' && n>=3 && strncmp(azArg[0], "bail", n)==0 && nArg>1 && nArg<3 ){ + bail_on_error = booleanValue(azArg[1]); + }else + + if( c=='d' && n>1 && strncmp(azArg[0], "databases", n)==0 && nArg==1 ){ + struct callback_data data; + char *zErrMsg = 0; + open_db(p); + memcpy(&data, p, sizeof(data)); + data.showHeader = 1; + 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 ){ + fprintf(stderr,"Error: %s\n", zErrMsg); + sqlite3_free(zErrMsg); + rc = 1; + } + }else + + if( c=='d' && strncmp(azArg[0], "dump", n)==0 && nArg<3 ){ + open_db(p); + /* 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. */ + fprintf(p->out, "PRAGMA foreign_keys=OFF;\n"); + fprintf(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 ){ + fprintf(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); + fprintf(p->out, p->nErr ? "ROLLBACK; -- due to errors\n" : "COMMIT;\n"); + }else + + if( c=='e' && strncmp(azArg[0], "echo", n)==0 && nArg>1 && nArg<3 ){ + p->echoOn = booleanValue(azArg[1]); + }else + + if( c=='e' && strncmp(azArg[0], "exit", n)==0 && nArg==1 ){ + rc = 2; + }else + + if( c=='e' && strncmp(azArg[0], "explain", n)==0 && nArg<3 ){ + int val = nArg>=2 ? booleanValue(azArg[1]) : 1; + if(val == 1) { + if(!p->explainPrev.valid) { + p->explainPrev.valid = 1; + p->explainPrev.mode = p->mode; + p->explainPrev.showHeader = p->showHeader; + memcpy(p->explainPrev.colWidth,p->colWidth,sizeof(p->colWidth)); + } + /* We could put this code under the !p->explainValid + ** condition so that it does not execute if we are already in + ** explain mode. However, always executing it allows us an easy + ** was to reset to explain mode in case the user previously + ** did an .explain followed by a .width, .mode or .header + ** command. + */ + p->mode = MODE_Explain; + p->showHeader = 1; + memset(p->colWidth,0,ArraySize(p->colWidth)); + p->colWidth[0] = 4; /* addr */ + p->colWidth[1] = 13; /* opcode */ + p->colWidth[2] = 4; /* P1 */ + p->colWidth[3] = 4; /* P2 */ + p->colWidth[4] = 4; /* P3 */ + p->colWidth[5] = 13; /* P4 */ + p->colWidth[6] = 2; /* P5 */ + p->colWidth[7] = 13; /* Comment */ + }else if (p->explainPrev.valid) { + p->explainPrev.valid = 0; + p->mode = p->explainPrev.mode; + p->showHeader = p->explainPrev.showHeader; + memcpy(p->colWidth,p->explainPrev.colWidth,sizeof(p->colWidth)); + } + }else + + if( c=='h' && (strncmp(azArg[0], "header", n)==0 || + strncmp(azArg[0], "headers", n)==0) && nArg>1 && nArg<3 ){ + p->showHeader = booleanValue(azArg[1]); + }else + + if( c=='h' && strncmp(azArg[0], "help", n)==0 ){ + fprintf(stderr,"%s",zHelp); + if( HAS_TIMER ){ + fprintf(stderr,"%s",zTimerHelp); + } + }else + + if( c=='i' && strncmp(azArg[0], "import", n)==0 && nArg==3 ){ + char *zTable = azArg[2]; /* Insert data into this table */ + char *zFile = azArg[1]; /* The file from which to extract data */ + 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 nSep; /* Number of bytes in p->separator[] */ + char *zSql; /* An SQL statement */ + char *zLine; /* A single line of input from the file */ + char **azCol; /* zLine[] broken up into columns */ + char *zCommit; /* How to commit changes */ + FILE *in; /* The input file */ + int lineno = 0; /* Line number of input file */ + + open_db(p); + nSep = strlen30(p->separator); + if( nSep==0 ){ + fprintf(stderr, "Error: non-null separator required for import\n"); + return 1; + } + zSql = sqlite3_mprintf("SELECT * FROM %s", zTable); + if( zSql==0 ){ + fprintf(stderr, "Error: out of memory\n"); + return 1; + } + nByte = strlen30(zSql); + rc = sqlite3_prepare(p->db, zSql, -1, &pStmt, 0); + sqlite3_free(zSql); + if( rc ){ + if (pStmt) sqlite3_finalize(pStmt); + fprintf(stderr,"Error: %s\n", sqlite3_errmsg(db)); + return 1; + } + nCol = sqlite3_column_count(pStmt); + sqlite3_finalize(pStmt); + pStmt = 0; + if( nCol==0 ) return 0; /* no columns, no error */ + zSql = malloc( nByte + 20 + nCol*2 ); + if( zSql==0 ){ + fprintf(stderr, "Error: out of memory\n"); + return 1; + } + sqlite3_snprintf(nByte+20, zSql, "INSERT INTO %s VALUES(?", zTable); + j = strlen30(zSql); + for(i=1; i<nCol; i++){ + zSql[j++] = ','; + zSql[j++] = '?'; + } + zSql[j++] = ')'; + zSql[j] = 0; + rc = sqlite3_prepare(p->db, zSql, -1, &pStmt, 0); + free(zSql); + if( rc ){ + fprintf(stderr, "Error: %s\n", sqlite3_errmsg(db)); + if (pStmt) sqlite3_finalize(pStmt); + return 1; + } + in = fopen(zFile, "rb"); + if( in==0 ){ + fprintf(stderr, "Error: cannot open \"%s\"\n", zFile); + sqlite3_finalize(pStmt); + return 1; + } + azCol = malloc( sizeof(azCol[0])*(nCol+1) ); + if( azCol==0 ){ + fprintf(stderr, "Error: out of memory\n"); + fclose(in); + sqlite3_finalize(pStmt); + return 1; + } + sqlite3_exec(p->db, "BEGIN", 0, 0, 0); + zCommit = "COMMIT"; + while( (zLine = local_getline(0, in, 1))!=0 ){ + char *z, c; + int inQuote = 0; + lineno++; + azCol[0] = zLine; + for(i=0, z=zLine; (c = *z)!=0; z++){ + if( c=='"' ) inQuote = !inQuote; + if( c=='\n' ) lineno++; + if( !inQuote && c==p->separator[0] && strncmp(z,p->separator,nSep)==0 ){ + *z = 0; + i++; + if( i<nCol ){ + azCol[i] = &z[nSep]; + z += nSep-1; + } + } + } /* end for */ + *z = 0; + if( i+1!=nCol ){ + fprintf(stderr, + "Error: %s line %d: expected %d columns of data but found %d\n", + zFile, lineno, nCol, i+1); + zCommit = "ROLLBACK"; + free(zLine); + rc = 1; + break; /* from while */ + } + for(i=0; i<nCol; i++){ + if( azCol[i][0]=='"' ){ + int k; + for(z=azCol[i], j=1, k=0; z[j]; j++){ + if( z[j]=='"' ){ j++; if( z[j]==0 ) break; } + z[k++] = z[j]; + } + z[k] = 0; + } + sqlite3_bind_text(pStmt, i+1, azCol[i], -1, SQLITE_STATIC); + } + sqlite3_step(pStmt); + rc = sqlite3_reset(pStmt); + free(zLine); + if( rc!=SQLITE_OK ){ + fprintf(stderr,"Error: %s\n", sqlite3_errmsg(db)); + zCommit = "ROLLBACK"; + rc = 1; + break; /* from while */ + } + } /* end while */ + free(azCol); + fclose(in); + sqlite3_finalize(pStmt); + sqlite3_exec(p->db, zCommit, 0, 0, 0); + }else + + if( c=='i' && strncmp(azArg[0], "indices", n)==0 && nArg<3 ){ + struct callback_data data; + char *zErrMsg = 0; + open_db(p); + memcpy(&data, p, sizeof(data)); + data.showHeader = 0; + 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{ + 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; + } + if( zErrMsg ){ + fprintf(stderr,"Error: %s\n", zErrMsg); + sqlite3_free(zErrMsg); + rc = 1; + }else if( rc != SQLITE_OK ){ + fprintf(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 ){ + extern void (*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 ){ + fprintf(stderr, "Error: cannot open \"%s\"\n", azArg[1]); + sqlite3IoTrace = 0; + rc = 1; + }else{ + sqlite3IoTrace = iotracePrintf; + } + } + }else +#endif + +#ifndef SQLITE_OMIT_LOAD_EXTENSION + if( c=='l' && strncmp(azArg[0], "load", n)==0 && nArg>=2 ){ + const char *zFile, *zProc; + char *zErrMsg = 0; + zFile = azArg[1]; + zProc = nArg>=3 ? azArg[2] : 0; + open_db(p); + rc = sqlite3_load_extension(p->db, zFile, zProc, &zErrMsg); + if( rc!=SQLITE_OK ){ + fprintf(stderr, "Error: %s\n", zErrMsg); + sqlite3_free(zErrMsg); + rc = 1; + } + }else +#endif + + if( c=='l' && strncmp(azArg[0], "log", n)==0 && nArg>=2 ){ + const char *zFile = azArg[1]; + if( p->pLog && p->pLog!=stdout && p->pLog!=stderr ){ + fclose(p->pLog); + p->pLog = 0; + } + if( strcmp(zFile,"stdout")==0 ){ + p->pLog = stdout; + }else if( strcmp(zFile, "stderr")==0 ){ + p->pLog = stderr; + }else if( strcmp(zFile, "off")==0 ){ + p->pLog = 0; + }else{ + p->pLog = fopen(zFile, "w"); + if( p->pLog==0 ){ + fprintf(stderr, "Error: cannot open \"%s\"\n", zFile); + } + } + }else + + if( c=='m' && strncmp(azArg[0], "mode", n)==0 && nArg==2 ){ + int n2 = strlen30(azArg[1]); + if( (n2==4 && strncmp(azArg[1],"line",n2)==0) + || + (n2==5 && strncmp(azArg[1],"lines",n2)==0) ){ + p->mode = MODE_Line; + }else if( (n2==6 && strncmp(azArg[1],"column",n2)==0) + || + (n2==7 && strncmp(azArg[1],"columns",n2)==0) ){ + p->mode = MODE_Column; + }else if( n2==4 && strncmp(azArg[1],"list",n2)==0 ){ + p->mode = MODE_List; + }else if( n2==4 && strncmp(azArg[1],"html",n2)==0 ){ + p->mode = MODE_Html; + }else if( n2==3 && strncmp(azArg[1],"tcl",n2)==0 ){ + p->mode = MODE_Tcl; + }else if( n2==3 && strncmp(azArg[1],"csv",n2)==0 ){ + p->mode = MODE_Csv; + sqlite3_snprintf(sizeof(p->separator), p->separator, ","); + }else if( n2==4 && strncmp(azArg[1],"tabs",n2)==0 ){ + p->mode = MODE_List; + sqlite3_snprintf(sizeof(p->separator), p->separator, "\t"); + }else if( n2==6 && strncmp(azArg[1],"insert",n2)==0 ){ + p->mode = MODE_Insert; + set_table_name(p, "table"); + }else { + fprintf(stderr,"Error: mode should be one of: " + "column csv html insert line list tabs tcl\n"); + rc = 1; + } + }else + + if( c=='m' && strncmp(azArg[0], "mode", n)==0 && nArg==3 ){ + int n2 = strlen30(azArg[1]); + if( n2==6 && strncmp(azArg[1],"insert",n2)==0 ){ + p->mode = MODE_Insert; + set_table_name(p, azArg[2]); + }else { + fprintf(stderr, "Error: invalid arguments: " + " \"%s\". Enter \".help\" for help\n", azArg[2]); + rc = 1; + } + }else + + if( c=='n' && strncmp(azArg[0], "nullvalue", n)==0 && nArg==2 ) { + sqlite3_snprintf(sizeof(p->nullvalue), p->nullvalue, + "%.*s", (int)ArraySize(p->nullvalue)-1, azArg[1]); + }else + + if( c=='o' && strncmp(azArg[0], "output", n)==0 && nArg==2 ){ + if( p->out!=stdout ){ + fclose(p->out); + } + if( strcmp(azArg[1],"stdout")==0 ){ + p->out = stdout; + sqlite3_snprintf(sizeof(p->outfile), p->outfile, "stdout"); + }else{ + p->out = fopen(azArg[1], "wb"); + if( p->out==0 ){ + fprintf(stderr,"Error: cannot write to \"%s\"\n", azArg[1]); + p->out = stdout; + rc = 1; + } else { + sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", azArg[1]); + } + } + }else + + if( c=='p' && strncmp(azArg[0], "prompt", n)==0 && (nArg==2 || nArg==3)){ + 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 && nArg==1 ){ + rc = 2; + }else + + if( c=='r' && n>=3 && strncmp(azArg[0], "read", n)==0 && nArg==2 ){ + FILE *alt = fopen(azArg[1], "rb"); + if( alt==0 ){ + fprintf(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 && nArg>1 && nArg<4){ + const char *zSrcFile; + const char *zDb; + sqlite3 *pSrc; + sqlite3_backup *pBackup; + int nTimeout = 0; + + if( nArg==2 ){ + zSrcFile = azArg[1]; + zDb = "main"; + }else{ + zSrcFile = azArg[2]; + zDb = azArg[1]; + } + rc = sqlite3_open(zSrcFile, &pSrc); + if( rc!=SQLITE_OK ){ + fprintf(stderr, "Error: cannot open \"%s\"\n", zSrcFile); + sqlite3_close(pSrc); + return 1; + } + open_db(p); + pBackup = sqlite3_backup_init(p->db, zDb, pSrc, "main"); + if( pBackup==0 ){ + fprintf(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 ){ + fprintf(stderr, "Error: source database is busy\n"); + rc = 1; + }else{ + fprintf(stderr, "Error: %s\n", sqlite3_errmsg(p->db)); + rc = 1; + } + sqlite3_close(pSrc); + }else + + if( c=='s' && strncmp(azArg[0], "schema", n)==0 && nArg<3 ){ + struct callback_data data; + char *zErrMsg = 0; + open_db(p); + memcpy(&data, p, sizeof(data)); + data.showHeader = 0; + data.mode = MODE_Semi; + if( nArg>1 ){ + 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" + " FROM sqlite_master UNION ALL" + " SELECT sql, type, tbl_name, name FROM sqlite_temp_master) " + "WHERE lower(tbl_name) LIKE shellstatic()" + " AND type!='meta' AND sql NOTNULL " + "ORDER BY substr(type,2,1), name", + callback, &data, &zErrMsg); + zShellStatic = 0; + } + }else{ + rc = sqlite3_exec(p->db, + "SELECT sql FROM " + " (SELECT sql sql, type type, tbl_name tbl_name, name name" + " FROM sqlite_master UNION ALL" + " SELECT sql, type, tbl_name, name FROM sqlite_temp_master) " + "WHERE type!='meta' AND sql NOTNULL AND name NOT LIKE 'sqlite_%'" + "ORDER BY substr(type,2,1), name", + callback, &data, &zErrMsg + ); + } + if( zErrMsg ){ + fprintf(stderr,"Error: %s\n", zErrMsg); + sqlite3_free(zErrMsg); + rc = 1; + }else if( rc != SQLITE_OK ){ + fprintf(stderr,"Error: querying schema information\n"); + rc = 1; + }else{ + rc = 0; + } + }else + + if( c=='s' && strncmp(azArg[0], "separator", n)==0 && nArg==2 ){ + sqlite3_snprintf(sizeof(p->separator), p->separator, + "%.*s", (int)sizeof(p->separator)-1, azArg[1]); + }else + + if( c=='s' && strncmp(azArg[0], "show", n)==0 && nArg==1 ){ + int i; + fprintf(p->out,"%9.9s: %s\n","echo", p->echoOn ? "on" : "off"); + fprintf(p->out,"%9.9s: %s\n","explain", p->explainPrev.valid ? "on" :"off"); + fprintf(p->out,"%9.9s: %s\n","headers", p->showHeader ? "on" : "off"); + fprintf(p->out,"%9.9s: %s\n","mode", modeDescr[p->mode]); + fprintf(p->out,"%9.9s: ", "nullvalue"); + output_c_string(p->out, p->nullvalue); + fprintf(p->out, "\n"); + fprintf(p->out,"%9.9s: %s\n","output", + strlen30(p->outfile) ? p->outfile : "stdout"); + fprintf(p->out,"%9.9s: ", "separator"); + output_c_string(p->out, p->separator); + fprintf(p->out, "\n"); + fprintf(p->out,"%9.9s: %s\n","stats", p->statsOn ? "on" : "off"); + fprintf(p->out,"%9.9s: ","width"); + for (i=0;i<(int)ArraySize(p->colWidth) && p->colWidth[i] != 0;i++) { + fprintf(p->out,"%d ",p->colWidth[i]); + } + fprintf(p->out,"\n"); + }else + + if( c=='s' && strncmp(azArg[0], "stats", n)==0 && nArg>1 && nArg<3 ){ + p->statsOn = booleanValue(azArg[1]); + }else + + if( c=='t' && n>1 && strncmp(azArg[0], "tables", n)==0 && nArg<3 ){ + char **azResult; + int nRow; + char *zErrMsg; + open_db(p); + if( nArg==1 ){ + rc = sqlite3_get_table(p->db, + "SELECT name FROM sqlite_master " + "WHERE type IN ('table','view') AND name NOT LIKE 'sqlite_%' " + "UNION ALL " + "SELECT name FROM sqlite_temp_master " + "WHERE type IN ('table','view') " + "ORDER BY 1", + &azResult, &nRow, 0, &zErrMsg + ); + }else{ + zShellStatic = azArg[1]; + rc = sqlite3_get_table(p->db, + "SELECT name FROM sqlite_master " + "WHERE type IN ('table','view') AND name LIKE shellstatic() " + "UNION ALL " + "SELECT name FROM sqlite_temp_master " + "WHERE type IN ('table','view') AND name LIKE shellstatic() " + "ORDER BY 1", + &azResult, &nRow, 0, &zErrMsg + ); + zShellStatic = 0; + } + if( zErrMsg ){ + fprintf(stderr,"Error: %s\n", zErrMsg); + sqlite3_free(zErrMsg); + rc = 1; + }else if( rc != SQLITE_OK ){ + fprintf(stderr,"Error: querying sqlite_master and sqlite_temp_master\n"); + rc = 1; + }else{ + int len, maxlen = 0; + int i, j; + int nPrintCol, nPrintRow; + for(i=1; i<=nRow; i++){ + if( azResult[i]==0 ) continue; + 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+1; j<=nRow; j+=nPrintRow){ + char *zSp = j<=nPrintRow ? "" : " "; + printf("%s%-*s", zSp, maxlen, azResult[j] ? azResult[j] : ""); + } + printf("\n"); + } + } + sqlite3_free_table(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 }, + }; + int testctrl = -1; + int rc = 0; + int i, n; + open_db(p); + + /* convert testctrl text option to value. allow any unique prefix + ** of the option name, or a numerical value. */ + n = strlen30(azArg[1]); + for(i=0; i<(int)(sizeof(aCtrl)/sizeof(aCtrl[0])); i++){ + if( strncmp(azArg[1], aCtrl[i].zCtrlName, n)==0 ){ + if( testctrl<0 ){ + testctrl = aCtrl[i].ctrlCode; + }else{ + fprintf(stderr, "ambiguous option name: \"%s\"\n", azArg[1]); + testctrl = -1; + break; + } + } + } + if( testctrl<0 ) testctrl = atoi(azArg[1]); + if( (testctrl<SQLITE_TESTCTRL_FIRST) || (testctrl>SQLITE_TESTCTRL_LAST) ){ + fprintf(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); + rc = sqlite3_test_control(testctrl, p->db, opt); + printf("%d (0x%08x)\n", rc, rc); + } else { + fprintf(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: + if( nArg==2 ){ + rc = sqlite3_test_control(testctrl); + printf("%d (0x%08x)\n", rc, rc); + } else { + fprintf(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)atoi(azArg[2]); + rc = sqlite3_test_control(testctrl, opt); + printf("%d (0x%08x)\n", rc, rc); + } else { + fprintf(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: + if( nArg==3 ){ + int opt = atoi(azArg[2]); + rc = sqlite3_test_control(testctrl, opt); + printf("%d (0x%08x)\n", rc, rc); + } else { + fprintf(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]; + rc = sqlite3_test_control(testctrl, opt); + printf("%d (0x%08x)\n", rc, rc); + } else { + fprintf(stderr,"Error: testctrl %s takes a single char * option\n", + azArg[1]); + } + break; +#endif + + case SQLITE_TESTCTRL_BITVEC_TEST: + case SQLITE_TESTCTRL_FAULT_INSTALL: + case SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS: + case SQLITE_TESTCTRL_SCRATCHMALLOC: + default: + fprintf(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 && nArg==2 ){ + open_db(p); + sqlite3_busy_timeout(p->db, atoi(azArg[1])); + }else + + if( HAS_TIMER && c=='t' && n>=5 && strncmp(azArg[0], "timer", n)==0 + && nArg==2 + ){ + enableTimer = booleanValue(azArg[1]); + }else + + if( c=='v' && strncmp(azArg[0], "version", n)==0 ){ + printf("SQLite %s %s\n" /*extra-version-info*/, + sqlite3_libversion(), sqlite3_sourceid()); + }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 ){ + printf("%s\n", zVfsName); + sqlite3_free(zVfsName); + } + } + }else + + if( c=='w' && strncmp(azArg[0], "width", n)==0 && nArg>1 ){ + int j; + assert( nArg<=ArraySize(azArg) ); + for(j=1; j<nArg && j<ArraySize(p->colWidth); j++){ + p->colWidth[j-1] = atoi(azArg[j]); + } + }else + + { + fprintf(stderr, "Error: unknown command or invalid arguments: " + " \"%s\". Enter \".help\" for help\n", azArg[0]); + rc = 1; + } + + return rc; +} + +/* +** Return TRUE if a semicolon occurs anywhere in the first N characters +** of string z[]. +*/ +static int _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 _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 _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(struct callback_data *p, FILE *in){ + char *zLine = 0; + char *zSql = 0; + int nSql = 0; + int nSqlPrior = 0; + char *zErrMsg; + int rc; + int errCnt = 0; + int lineno = 0; + int startline = 0; + + while( errCnt==0 || !bail_on_error || (in==0 && stdin_is_interactive) ){ + fflush(p->out); + free(zLine); + zLine = one_input_line(zSql, in); + if( zLine==0 ){ + break; /* We have reached EOF */ + } + if( seenInterrupt ){ + if( in!=0 ) break; + seenInterrupt = 0; + } + lineno++; + if( (zSql==0 || zSql[0]==0) && _all_whitespace(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( _is_command_terminator(zLine) && _is_complete(zSql, nSql) ){ + memcpy(zLine,";",2); + } + nSqlPrior = nSql; + if( zSql==0 ){ + int i; + for(i=0; zLine[i] && IsSpace(zLine[i]); i++){} + if( zLine[i]!=0 ){ + nSql = strlen30(zLine); + zSql = malloc( nSql+3 ); + if( zSql==0 ){ + fprintf(stderr, "Error: out of memory\n"); + exit(1); + } + memcpy(zSql, zLine, nSql+1); + startline = lineno; + } + }else{ + int len = strlen30(zLine); + zSql = realloc( zSql, nSql + len + 4 ); + if( zSql==0 ){ + fprintf(stderr,"Error: out of memory\n"); + exit(1); + } + zSql[nSql++] = '\n'; + memcpy(&zSql[nSql], zLine, len+1); + nSql += len; + } + if( zSql && _contains_semicolon(&zSql[nSqlPrior], nSql-nSqlPrior) + && sqlite3_complete(zSql) ){ + p->cnt = 0; + open_db(p); + 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 ){ + fprintf(stderr, "%s %s\n", zPrefix, zErrMsg); + sqlite3_free(zErrMsg); + zErrMsg = 0; + }else{ + fprintf(stderr, "%s %s\n", zPrefix, sqlite3_errmsg(p->db)); + } + errCnt++; + } + free(zSql); + zSql = 0; + nSql = 0; + } + } + if( zSql ){ + if( !_all_whitespace(zSql) ){ + fprintf(stderr, "Error: incomplete SQL: %s\n", zSql); + } + free(zSql); + } + free(zLine); + return errCnt; +} + +/* +** Return a pathname which is the user's home directory. A +** 0 return indicates an error of some kind. Space to hold the +** resulting string is obtained from malloc(). The calling +** function should free the result. +*/ +static char *find_home_dir(void){ + char *home_dir = NULL; + +#if !defined(_WIN32) && !defined(WIN32) && !defined(__OS2__) && !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 = strdup("/"); +#else + +#if defined(_WIN32) || defined(WIN32) || defined(__OS2__) + if (!home_dir) { + home_dir = getenv("USERPROFILE"); + } +#endif + + if (!home_dir) { + home_dir = getenv("HOME"); + } + +#if defined(_WIN32) || defined(WIN32) || defined(__OS2__) + 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 int process_sqliterc( + struct callback_data *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; + int nBuf; + int rc = 0; + + if (sqliterc == NULL) { + home_dir = find_home_dir(); + if( home_dir==0 ){ +#if !defined(__RTP__) && !defined(_WRS_KERNEL) + fprintf(stderr,"%s: Error: cannot locate your home directory\n", Argv0); +#endif + return 1; + } + nBuf = strlen30(home_dir) + 16; + zBuf = malloc( nBuf ); + if( zBuf==0 ){ + fprintf(stderr,"%s: Error: out of memory\n",Argv0); + return 1; + } + sqlite3_snprintf(nBuf, zBuf,"%s/.sqliterc",home_dir); + free(home_dir); + sqliterc = (const char*)zBuf; + } + in = fopen(sqliterc,"rb"); + if( in ){ + if( stdin_is_interactive ){ + fprintf(stderr,"-- Loading resources from %s\n",sqliterc); + } + rc = process_input(p,in); + fclose(in); + } + free(zBuf); + return rc; +} + +/* +** Show available command line options +*/ +static const char zOptions[] = + " -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" + " -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" +#ifdef SQLITE_ENABLE_MULTIPLEX + " -multiplex enable the multiplexor VFS\n" +#endif + " -nullvalue 'text' set text string for NULL values\n" + " -separator 'x' set output field separator (|)\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){ + fprintf(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 ){ + fprintf(stderr, "OPTIONS include:\n%s", zOptions); + }else{ + fprintf(stderr, "Use the -help option for additional information\n"); + } + exit(1); +} + +/* +** Initialize the state information in data +*/ +static void main_init(struct callback_data *data) { + memset(data, 0, sizeof(*data)); + data->mode = MODE_List; + memcpy(data->separator,"|", 2); + data->showHeader = 0; + sqlite3_config(SQLITE_CONFIG_URI, 1); + sqlite3_config(SQLITE_CONFIG_LOG, shellLog, data); + sqlite3_snprintf(sizeof(mainPrompt), mainPrompt,"sqlite> "); + sqlite3_snprintf(sizeof(continuePrompt), continuePrompt," ...> "); + sqlite3_config(SQLITE_CONFIG_SINGLETHREAD); +} + +int main(int argc, char **argv){ + char *zErrMsg = 0; + struct callback_data data; + const char *zInitFile = 0; + char *zFirstCmd = 0; + int i; + int rc = 0; + + if( strcmp(sqlite3_sourceid(),SQLITE_SOURCE_ID)!=0 ){ + fprintf(stderr, "SQLite header and source version mismatch\n%s\n%s\n", + sqlite3_sourceid(), SQLITE_SOURCE_ID); + exit(1); + } + Argv0 = argv[0]; + main_init(&data); + stdin_is_interactive = isatty(0); + + /* Make sure we have a valid signal handler early, before anything + ** else is done. + */ +#ifdef SIGINT + signal(SIGINT, interrupt_handler); +#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-1; i++){ + char *z; + if( argv[i][0]!='-' ) break; + z = argv[i]; + if( z[1]=='-' ) z++; + if( strcmp(z,"-separator")==0 + || strcmp(z,"-nullvalue")==0 + || strcmp(z,"-cmd")==0 + ){ + i++; + }else if( strcmp(z,"-init")==0 ){ + i++; + zInitFile = argv[i]; + /* 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. + */ + }else if( strcmp(z,"-batch")==0 ){ + stdin_is_interactive = 0; + }else if( strcmp(z,"-heap")==0 ){ +#if defined(SQLITE_ENABLE_MEMSYS3) || defined(SQLITE_ENABLE_MEMSYS5) + int j, c; + const char *zSize; + sqlite3_int64 szHeap; + + zSize = argv[++i]; + szHeap = atoi(zSize); + for(j=0; (c = zSize[j])!=0; j++){ + if( c=='M' ){ szHeap *= 1000000; break; } + if( c=='K' ){ szHeap *= 1000; break; } + if( c=='G' ){ szHeap *= 1000000000; break; } + } + if( szHeap>0x7fff0000 ) szHeap = 0x7fff0000; + sqlite3_config(SQLITE_CONFIG_HEAP, malloc((int)szHeap), (int)szHeap, 64); +#endif +#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,"-vfs")==0 ){ + sqlite3_vfs *pVfs = sqlite3_vfs_find(argv[++i]); + if( pVfs ){ + sqlite3_vfs_register(pVfs, 1); + }else{ + fprintf(stderr, "no such VFS: \"%s\"\n", argv[i]); + exit(1); + } + } + } + if( i<argc ){ +#if defined(SQLITE_OS_OS2) && SQLITE_OS_OS2 + data.zDbFilename = (const char *)convertCpPathToUtf8( argv[i++] ); +#else + data.zDbFilename = argv[i++]; +#endif + }else{ +#ifndef SQLITE_OMIT_MEMORYDB + data.zDbFilename = ":memory:"; +#else + data.zDbFilename = 0; +#endif + } + if( i<argc ){ + zFirstCmd = argv[i++]; + } + if( i<argc ){ + fprintf(stderr,"%s: Error: too many options: \"%s\"\n", Argv0, argv[i]); + fprintf(stderr,"Use -help for a list of options.\n"); + return 1; + } + data.out = stdout; + +#ifdef SQLITE_OMIT_MEMORYDB + if( data.zDbFilename==0 ){ + fprintf(stderr,"%s: Error: no database filename specified\n", Argv0); + return 1; + } +#endif + + /* 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); + } + + /* 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. + */ + rc = process_sqliterc(&data,zInitFile); + if( rc>0 ){ + return rc; + } + + /* 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 && argv[i][0]=='-'; i++){ + char *z = argv[i]; + 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.separator,",",2); + }else if( strcmp(z,"-separator")==0 ){ + i++; + if(i>=argc){ + fprintf(stderr,"%s: Error: missing argument for option: %s\n", + Argv0, z); + fprintf(stderr,"Use -help for a list of options.\n"); + return 1; + } + sqlite3_snprintf(sizeof(data.separator), data.separator, + "%.*s",(int)sizeof(data.separator)-1,argv[i]); + }else if( strcmp(z,"-nullvalue")==0 ){ + i++; + if(i>=argc){ + fprintf(stderr,"%s: Error: missing argument for option: %s\n", + Argv0, z); + fprintf(stderr,"Use -help for a list of options.\n"); + return 1; + } + sqlite3_snprintf(sizeof(data.nullvalue), data.nullvalue, + "%.*s",(int)sizeof(data.nullvalue)-1,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,"-stats")==0 ){ + data.statsOn = 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,"-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 ){ + if( i==argc-1 ) break; + i++; + z = argv[i]; + if( z[0]=='.' ){ + rc = do_meta_command(z, &data); + if( rc && bail_on_error ) return rc; + }else{ + open_db(&data); + rc = shell_exec(data.db, z, shell_callback, &data, &zErrMsg); + if( zErrMsg!=0 ){ + fprintf(stderr,"Error: %s\n", zErrMsg); + if( bail_on_error ) return rc!=0 ? rc : 1; + }else if( rc!=0 ){ + fprintf(stderr,"Error: unable to process SQL \"%s\"\n", z); + if( bail_on_error ) return rc; + } + } + }else{ + fprintf(stderr,"%s: Error: unknown option: %s\n", Argv0, z); + fprintf(stderr,"Use -help for a list of options.\n"); + return 1; + } + } + + if( zFirstCmd ){ + /* Run just the command that follows the database name + */ + if( zFirstCmd[0]=='.' ){ + rc = do_meta_command(zFirstCmd, &data); + }else{ + open_db(&data); + rc = shell_exec(data.db, zFirstCmd, shell_callback, &data, &zErrMsg); + if( zErrMsg!=0 ){ + fprintf(stderr,"Error: %s\n", zErrMsg); + return rc!=0 ? rc : 1; + }else if( rc!=0 ){ + fprintf(stderr,"Error: unable to process SQL \"%s\"\n", zFirstCmd); + return rc; + } + } + }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 instructions\n" + "Enter SQL statements terminated with a \";\"\n", + sqlite3_libversion(), sqlite3_sourceid() + ); + zHome = find_home_dir(); + if( zHome ){ + nHistory = strlen30(zHome) + 20; + if( (zHistory = malloc(nHistory))!=0 ){ + sqlite3_snprintf(nHistory, zHistory,"%s/.sqlite_history", zHome); + } + } +#if defined(HAVE_READLINE) && HAVE_READLINE==1 + if( zHistory ) read_history(zHistory); +#endif + rc = process_input(&data, 0); + if( zHistory ){ + stifle_history(100); + write_history(zHistory); + free(zHistory); + } + free(zHome); + }else{ + rc = process_input(&data, stdin); + } + } + set_table_name(&data, 0); + if( data.db ){ + sqlite3_close(data.db); + } + return rc; +} |