Many hyperlinks are disabled.
Use anonymous login
to enable hyperlinks.
Overview
| Comment: | Fix a potential segfault following an OOM while running ANALYZE. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | sqlite_stat4 |
| Files: | files | file ages | folders |
| SHA1: |
0118797823c9093e68113578f3f3aae6 |
| User & Date: | drh 2013-08-16 13:34:50 |
Context
|
2013-08-16
| ||
| 14:09 | Avoid buffer overreads and false OOM error reports that could be caused by corrupted sample records in the sqlite_stat4 table. (check-in: 9f85b6a5 user: dan tags: sqlite_stat4) | |
| 13:34 | Fix a potential segfault following an OOM while running ANALYZE. (check-in: 01187978 user: drh tags: sqlite_stat4) | |
| 12:26 | Merge recent trunk changes into the STAT4 branch. (check-in: c69b512a user: drh tags: sqlite_stat4) | |
Changes
Changes to src/analyze.c.
1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 |
pSample->p = sqlite3DbMallocZero(db, pSample->n);
if( pSample->p==0 ){
sqlite3_finalize(pStmt);
return SQLITE_NOMEM;
}
memcpy(pSample->p, sqlite3_column_blob(pStmt, 4), pSample->n);
}
initAvgEq(pPrevIdx);
return sqlite3_finalize(pStmt);
}
/*
** Load content from the sqlite_stat4 and sqlite_stat3 tables into
** the Index.aSample[] arrays of all indices.
*/
static int loadStat4(sqlite3 *db, const char *zDb){
|
| | > |
1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 |
pSample->p = sqlite3DbMallocZero(db, pSample->n);
if( pSample->p==0 ){
sqlite3_finalize(pStmt);
return SQLITE_NOMEM;
}
memcpy(pSample->p, sqlite3_column_blob(pStmt, 4), pSample->n);
}
rc = sqlite3_finalize(pStmt);
if( rc==SQLITE_OK ) initAvgEq(pPrevIdx);
return rc;
}
/*
** Load content from the sqlite_stat4 and sqlite_stat3 tables into
** the Index.aSample[] arrays of all indices.
*/
static int loadStat4(sqlite3 *db, const char *zDb){
|