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Overview
| Comment: | Enable query planner tracing using the new (and undocumented) ".wheretrace 1" command in the command-line shell if both the shell and the core are compiled with SQLITE_DEBUG and SQLITE_ENABLE_WHERETRACE. This is not a supported API. Use for testing and debugging only. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: | 1be4b16b9e900181ae6848f2920ea646f407c9dc |
| User & Date: | drh 2012-09-21 22:50:45 |
Context
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2012-09-24
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| 11:43 | Update documentation to describe the threadsafety of sqlite3_enable_shared_cache(). check-in: e081890c user: drh tags: trunk | |
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2012-09-21
| ||
| 22:50 | Enable query planner tracing using the new (and undocumented) ".wheretrace 1" command in the command-line shell if both the shell and the core are compiled with SQLITE_DEBUG and SQLITE_ENABLE_WHERETRACE. This is not a supported API. Use for testing and debugging only. check-in: 1be4b16b user: drh tags: trunk | |
| 13:40 | Command-line shell enhancements: Added the ".print" command. Enhanced the ".width" command so that negative widths will right-justify. check-in: a1d8269d user: drh tags: trunk | |
Changes
Changes to src/shell.c.
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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]);
}
|
> > > > > > > |
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sqlite3_file_control(p->db, zDbName, SQLITE_FCNTL_VFSNAME, &zVfsName);
if( zVfsName ){
printf("%s\n", zVfsName);
sqlite3_free(zVfsName);
}
}
}else
#if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE)
if( c=='w' && strncmp(azArg[0], "wheretrace", n)==0 ){
extern int sqlite3WhereTrace;
sqlite3WhereTrace = atoi(azArg[1]);
}else
#endif
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]);
}
|
Changes to src/where.c.
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#include "sqliteInt.h"
/*
** Trace output macros
*/
#if defined(SQLITE_TEST) || defined(SQLITE_DEBUG)
int sqlite3WhereTrace = 0;
#endif
#if defined(SQLITE_TEST) && defined(SQLITE_DEBUG)
# define WHERETRACE(X) if(sqlite3WhereTrace) sqlite3DebugPrintf X
#else
# define WHERETRACE(X)
#endif
/* Forward reference
*/
|
| | > |
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#include "sqliteInt.h" /* ** Trace output macros */ #if defined(SQLITE_TEST) || defined(SQLITE_DEBUG) /***/ int sqlite3WhereTrace = 0; #endif #if defined(SQLITE_DEBUG) \ && (defined(SQLITE_TEST) || defined(SQLITE_ENABLE_WHERETRACE)) # define WHERETRACE(X) if(sqlite3WhereTrace) sqlite3DebugPrintf X #else # define WHERETRACE(X) #endif /* Forward reference */ |