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Overview
| Comment: | robustness fixes for preventing a finalized statement from being reused |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | apple-osx |
| Files: | files | file ages | folders |
| SHA1: |
a7a0c8d644873764cb799f9d6aacede4 |
| User & Date: | adam 2010-01-19 23:50:21.000 |
Context
|
2010-01-20
| ||
| 01:26 | Update the Apple OS-X branch to include all of the latest changes in trunk. (check-in: 96499b1dd6 user: drh tags: apple-osx) | |
|
2010-01-19
| ||
| 23:50 | robustness fixes for preventing a finalized statement from being reused (check-in: a7a0c8d644 user: adam tags: apple-osx) | |
|
2010-01-06
| ||
| 13:12 | Update the OS-X branch to include all trunk changes through version 3.6.22. (check-in: 541e2b488e user: drh tags: apple-osx) | |
Changes
Changes to src/legacy.c.
| ︙ | ︙ | |||
40 41 42 43 44 45 46 47 48 49 50 51 52 53 |
int rc = SQLITE_OK; /* Return code */
const char *zLeftover; /* Tail of unprocessed SQL */
sqlite3_stmt *pStmt = 0; /* The current SQL statement */
char **azCols = 0; /* Names of result columns */
int nRetry = 0; /* Number of retry attempts */
int callbackIsInit; /* True if callback data is initialized */
if( zSql==0 ) zSql = "";
#ifdef SQLITE_ENABLE_SQLRR
SRRecExec(db, zSql);
#endif
sqlite3_mutex_enter(db->mutex);
sqlite3Error(db, SQLITE_OK, 0);
while( (rc==SQLITE_OK || (rc==SQLITE_SCHEMA && (++nRetry)<2)) && zSql[0] ){
| > > > > | 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 |
int rc = SQLITE_OK; /* Return code */
const char *zLeftover; /* Tail of unprocessed SQL */
sqlite3_stmt *pStmt = 0; /* The current SQL statement */
char **azCols = 0; /* Names of result columns */
int nRetry = 0; /* Number of retry attempts */
int callbackIsInit; /* True if callback data is initialized */
if (!sqlite3SafetyCheckOk(db)) {
return SQLITE_MISUSE;
}
if( zSql==0 ) zSql = "";
#ifdef SQLITE_ENABLE_SQLRR
SRRecExec(db, zSql);
#endif
sqlite3_mutex_enter(db->mutex);
sqlite3Error(db, SQLITE_OK, 0);
while( (rc==SQLITE_OK || (rc==SQLITE_SCHEMA && (++nRetry)<2)) && zSql[0] ){
|
| ︙ | ︙ |
Changes to src/vdbeapi.c.
| ︙ | ︙ | |||
49 50 51 52 53 54 55 56 57 58 59 60 61 62 |
rc = SQLITE_OK;
}else{
Vdbe *v = (Vdbe*)pStmt;
#ifdef SQLITE_ENABLE_SQLRR
SRRecFinalize(pStmt);
#endif
sqlite3 *db = v->db;
#if SQLITE_THREADSAFE
sqlite3_mutex *mutex = v->db->mutex;
#endif
sqlite3_mutex_enter(mutex);
rc = sqlite3VdbeFinalize(v);
rc = sqlite3ApiExit(db, rc);
sqlite3_mutex_leave(mutex);
| > > > | 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 |
rc = SQLITE_OK;
}else{
Vdbe *v = (Vdbe*)pStmt;
#ifdef SQLITE_ENABLE_SQLRR
SRRecFinalize(pStmt);
#endif
sqlite3 *db = v->db;
if( db==0 ){
return SQLITE_MISUSE;
}
#if SQLITE_THREADSAFE
sqlite3_mutex *mutex = v->db->mutex;
#endif
sqlite3_mutex_enter(mutex);
rc = sqlite3VdbeFinalize(v);
rc = sqlite3ApiExit(db, rc);
sqlite3_mutex_leave(mutex);
|
| ︙ | ︙ | |||
410 411 412 413 414 415 416 |
/*
** This is the top-level implementation of sqlite3_step(). Call
** sqlite3Step() to do most of the work. If a schema error occurs,
** call sqlite3Reprepare() and try again.
*/
int sqlite3_step(sqlite3_stmt *pStmt){
int rc = SQLITE_MISUSE;
| < < | | > > | 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 |
/*
** This is the top-level implementation of sqlite3_step(). Call
** sqlite3Step() to do most of the work. If a schema error occurs,
** call sqlite3Reprepare() and try again.
*/
int sqlite3_step(sqlite3_stmt *pStmt){
int rc = SQLITE_MISUSE;
Vdbe *v = (Vdbe*)pStmt;
sqlite3 *db;
if( v && ((db = v->db) != NULL)){
int cnt = 0;
#ifdef SQLITE_ENABLE_SQLRR
SRRecStep(pStmt);
#endif
sqlite3_mutex_enter(db->mutex);
while( (rc = sqlite3Step(v))==SQLITE_SCHEMA
&& cnt++ < 5
|
| ︙ | ︙ |
Changes to src/vdbeaux.c.
| ︙ | ︙ | |||
62 63 64 65 66 67 68 |
}
/*
** Return the SQL associated with a prepared statement
*/
const char *sqlite3_sql(sqlite3_stmt *pStmt){
Vdbe *p = (Vdbe *)pStmt;
| | | 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 |
}
/*
** Return the SQL associated with a prepared statement
*/
const char *sqlite3_sql(sqlite3_stmt *pStmt){
Vdbe *p = (Vdbe *)pStmt;
return ((p && p->isPrepareV2) ? p->zSql : 0);
}
/*
** Swap all content between two VDBE structures.
*/
void sqlite3VdbeSwap(Vdbe *pA, Vdbe *pB){
Vdbe tmp, *pTmp;
|
| ︙ | ︙ | |||
2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 | releaseMemArray(p->aColName, p->nResColumn*COLNAME_N); vdbeFreeOpArray(db, p->aOp, p->nOp); sqlite3DbFree(db, p->aLabel); sqlite3DbFree(db, p->aColName); sqlite3DbFree(db, p->zSql); p->magic = VDBE_MAGIC_DEAD; sqlite3DbFree(db, p->pFree); sqlite3DbFree(db, p); } /* ** Make sure the cursor p is ready to read or write the row to which it ** was last positioned. Return an error code if an OOM fault or I/O error ** prevents us from positioning the cursor to its correct position. | > | 2332 2333 2334 2335 2336 2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 | releaseMemArray(p->aColName, p->nResColumn*COLNAME_N); vdbeFreeOpArray(db, p->aOp, p->nOp); sqlite3DbFree(db, p->aLabel); sqlite3DbFree(db, p->aColName); sqlite3DbFree(db, p->zSql); p->magic = VDBE_MAGIC_DEAD; sqlite3DbFree(db, p->pFree); p->db = NULL; sqlite3DbFree(db, p); } /* ** Make sure the cursor p is ready to read or write the row to which it ** was last positioned. Return an error code if an OOM fault or I/O error ** prevents us from positioning the cursor to its correct position. |
| ︙ | ︙ |