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Overview
| Comment: | Small performance improvement in sqlite3_step(). |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: | d1db8d5894450b24bb0335983503d9bb |
| User & Date: | drh 2018-12-11 12:51:46 |
Context
|
2018-12-12
| ||
| 11:23 | OSSFuzz found a case where an assert() inside sqlite3ExprCompare() can be true. Test case added to TH3. check-in: 23b62fb1 user: drh tags: trunk | |
|
2018-12-11
| ||
| 13:44 | Merge latest trunk changes into this branch. check-in: d8dd98a3 user: dan tags: wal2 | |
| 12:51 | Small performance improvement in sqlite3_step(). check-in: d1db8d58 user: drh tags: trunk | |
| 12:20 | Small performance improvement in the sqlite3_bind() family of interfaces. check-in: 1dc0c3df user: drh tags: trunk | |
Changes
Changes to src/vdbeapi.c.
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/* Check that malloc() has not failed. If it has, return early. */
db = p->db;
if( db->mallocFailed ){
p->rc = SQLITE_NOMEM;
return SQLITE_NOMEM_BKPT;
}
if( p->pc<=0 && p->expired ){
p->rc = SQLITE_SCHEMA;
rc = SQLITE_ERROR;
goto end_of_step;
}
if( p->pc<0 ){
/* If there are no other statements currently running, then
** reset the interrupt flag. This prevents a call to sqlite3_interrupt
................................................................................
** contains the value that would be returned if sqlite3_finalize()
** were called on statement p.
*/
assert( rc==SQLITE_ROW || rc==SQLITE_DONE || rc==SQLITE_ERROR
|| (rc&0xff)==SQLITE_BUSY || rc==SQLITE_MISUSE
);
assert( (p->rc!=SQLITE_ROW && p->rc!=SQLITE_DONE) || p->rc==p->rcApp );
if( (p->prepFlags & SQLITE_PREPARE_SAVESQL)!=0
&& rc!=SQLITE_ROW
&& rc!=SQLITE_DONE
){
/* If this statement was prepared using saved SQL and an
** error has occurred, then return the error code in p->rc to the
** caller. Set the error code in the database handle to the same value.
*/
rc = sqlite3VdbeTransferError(p);
}
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/* Check that malloc() has not failed. If it has, return early. */
db = p->db;
if( db->mallocFailed ){
p->rc = SQLITE_NOMEM;
return SQLITE_NOMEM_BKPT;
}
if( p->pc<0 && p->expired ){
p->rc = SQLITE_SCHEMA;
rc = SQLITE_ERROR;
goto end_of_step;
}
if( p->pc<0 ){
/* If there are no other statements currently running, then
** reset the interrupt flag. This prevents a call to sqlite3_interrupt
................................................................................
** contains the value that would be returned if sqlite3_finalize()
** were called on statement p.
*/
assert( rc==SQLITE_ROW || rc==SQLITE_DONE || rc==SQLITE_ERROR
|| (rc&0xff)==SQLITE_BUSY || rc==SQLITE_MISUSE
);
assert( (p->rc!=SQLITE_ROW && p->rc!=SQLITE_DONE) || p->rc==p->rcApp );
if( rc!=SQLITE_ROW
&& rc!=SQLITE_DONE
&& (p->prepFlags & SQLITE_PREPARE_SAVESQL)!=0
){
/* If this statement was prepared using saved SQL and an
** error has occurred, then return the error code in p->rc to the
** caller. Set the error code in the database handle to the same value.
*/
rc = sqlite3VdbeTransferError(p);
}
|