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Overview
| Comment: | Fix FTS3 so that it does not run illegal SQL and cause a spurious log message. Ticket [42d45a693e6]. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
f186b6a61909be1d65b76a6fbaa42f57 |
| User & Date: | drh 2010-03-15 19:27:56 |
References
|
2010-03-26
| ||
| 21:53 | Pull in other fixes from the trunk: check-ins [bea9258643], [f186b6a619], and [bb591802ff]. check-in: b1f342a6 user: drh tags: branch-3.6.23 | |
Context
|
2010-03-15
| ||
| 20:53 | Improved error message when the right-hand operand of MATCH in FTS3 is not a valid search expression. Ticket [170872f1c3]. check-in: bea92586 user: drh tags: trunk | |
| 19:27 | Fix FTS3 so that it does not run illegal SQL and cause a spurious log message. Ticket [42d45a693e6]. check-in: f186b6a6 user: drh tags: trunk | |
|
2010-03-13
| ||
| 02:15 | Store the database size in pages in bytes 28..31 of the header. Currently this is for forensic use only, but it might be used in the future. check-in: 59f75bba user: drh tags: trunk | |
Changes
Changes to ext/fts3/fts3.c.
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fts3DbExec(&rc, db,
"CREATE TABLE %Q.'%q_stat'(id INTEGER PRIMARY KEY, value BLOB);",
p->zDb, p->zName
);
}
return rc;
}
/*
** Determine if a table currently exists in the database.
*/
static void fts3TableExists(
int *pRc, /* Success code */
sqlite3 *db, /* The database connection to test */
const char *zDb, /* ATTACHed database within the connection */
const char *zName, /* Name of the FTS3 table */
const char *zSuffix, /* Shadow table extension */
u8 *pResult /* Write results here */
){
int rc = SQLITE_OK;
if( *pRc ) return;
fts3DbExec(&rc, db, "SELECT 1 FROM %Q.'%q%s'", zDb, zName, zSuffix);
*pResult = (rc==SQLITE_OK) ? 1 : 0;
if( rc!=SQLITE_ERROR ) *pRc = rc;
}
/*
** This function is the implementation of both the xConnect and xCreate
** methods of the FTS3 virtual table.
**
** The argv[] array contains the following:
................................................................................
&& SQLITE_OK==(rc = sqlite3_overload_function(db, "offsets", 1))
&& SQLITE_OK==(rc = sqlite3_overload_function(db, "matchinfo", -1))
&& SQLITE_OK==(rc = sqlite3_overload_function(db, "optimize", 1))
){
rc = sqlite3_create_module_v2(
db, "fts3", &fts3Module, (void *)pHash, hashDestroy
);
#if 0 /* FTS4 is disabled in 3.6.23 since it is not yet ready for publication */
if( rc==SQLITE_OK ){
rc = sqlite3_create_module_v2(
db, "fts4", &fts3Module, (void *)pHash, 0
);
}
#endif /* disable FTS4 */
return rc;
}
/* An error has occurred. Delete the hash table and return the error code. */
assert( rc!=SQLITE_OK );
if( pHash ){
sqlite3Fts3HashClear(pHash);
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fts3DbExec(&rc, db,
"CREATE TABLE %Q.'%q_stat'(id INTEGER PRIMARY KEY, value BLOB);",
p->zDb, p->zName
);
}
return rc;
}
/*
** An sqlite3_exec() callback for fts3TableExists.
*/
static int fts3TableExistsCallback(void *pArg, int n, char **pp1, char **pp2){
*(int*)pArg = 1;
return 1;
}
/*
** Determine if a table currently exists in the database.
*/
static void fts3TableExists(
int *pRc, /* Success code */
sqlite3 *db, /* The database connection to test */
const char *zDb, /* ATTACHed database within the connection */
const char *zName, /* Name of the FTS3 table */
const char *zSuffix, /* Shadow table extension */
u8 *pResult /* Write results here */
){
int rc = SQLITE_OK;
int res = 0;
char *zSql;
if( *pRc ) return;
zSql = sqlite3_mprintf(
"SELECT 1 FROM %Q.sqlite_master WHERE name='%q%s'",
zDb, zName, zSuffix
);
rc = sqlite3_exec(db, zSql, fts3TableExistsCallback, &res, 0);
sqlite3_free(zSql);
*pResult = res & 0xff;
if( rc!=SQLITE_ABORT ) *pRc = rc;
}
/*
** This function is the implementation of both the xConnect and xCreate
** methods of the FTS3 virtual table.
**
** The argv[] array contains the following:
................................................................................
&& SQLITE_OK==(rc = sqlite3_overload_function(db, "offsets", 1))
&& SQLITE_OK==(rc = sqlite3_overload_function(db, "matchinfo", -1))
&& SQLITE_OK==(rc = sqlite3_overload_function(db, "optimize", 1))
){
rc = sqlite3_create_module_v2(
db, "fts3", &fts3Module, (void *)pHash, hashDestroy
);
if( rc==SQLITE_OK ){
rc = sqlite3_create_module_v2(
db, "fts4", &fts3Module, (void *)pHash, 0
);
}
return rc;
}
/* An error has occurred. Delete the hash table and return the error code. */
assert( rc!=SQLITE_OK );
if( pHash ){
sqlite3Fts3HashClear(pHash);
|
Changes to src/ctime.c.
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#endif #ifdef SQLITE_ENABLE_FTS3 "ENABLE_FTS3", #endif #ifdef SQLITE_ENABLE_FTS3_PARENTHESIS "ENABLE_FTS3_PARENTHESIS", #endif #if 0 /* Disabled because FTS4 is not ready for publication */ #ifdef SQLITE_ENABLE_FTS4 "ENABLE_FTS4", #endif #endif #ifdef SQLITE_ENABLE_ICU "ENABLE_ICU", #endif #ifdef SQLITE_ENABLE_IOTRACE "ENABLE_IOTRACE", #endif |
< < |
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#endif #ifdef SQLITE_ENABLE_FTS3 "ENABLE_FTS3", #endif #ifdef SQLITE_ENABLE_FTS3_PARENTHESIS "ENABLE_FTS3_PARENTHESIS", #endif #ifdef SQLITE_ENABLE_FTS4 "ENABLE_FTS4", #endif #ifdef SQLITE_ENABLE_ICU "ENABLE_ICU", #endif #ifdef SQLITE_ENABLE_IOTRACE "ENABLE_IOTRACE", #endif |