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Overview
| Comment: | Prevent a possible use-after-free bug in the query optimizer. |
|---|---|
| Downloads: | Tarball | ZIP archive |
| Timelines: | family | ancestors | descendants | both | branch-3.15 |
| Files: | files | file ages | folders |
| SHA1: |
661b45068fc8bb885899d6d8ef403f98 |
| User & Date: | drh 2016-11-23 21:08:01.758 |
Context
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2016-11-23
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| 21:13 | Code constant vector components outside of any loops in CASE and BETWEEN expressions. Fix for [1a684656]. (check-in: 4c6efe600d user: drh tags: branch-3.15) | |
| 21:08 | Prevent a possible use-after-free bug in the query optimizer. (check-in: 661b45068f user: drh tags: branch-3.15) | |
| 21:01 | Disable the query flattener optimization for SELECT statements that are on the RHS of vector IN operators. This is a hack that fixes the bug described in ticket [da7841375186386c]. A better solution that does not disable the query flattener is needed, but this will server for the time being. (check-in: 27438fb43d user: drh tags: branch-3.15) | |
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2016-11-20
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| 12:00 | Prevent a possible use-after-free bug in the query optimizer. (check-in: 0a98c8d76a user: drh tags: trunk) | |
Changes
Changes to src/whereexpr.c.
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}
}
#endif /* SQLITE_ENABLE_STAT3_OR_STAT4 */
/* Prevent ON clause terms of a LEFT JOIN from being used to drive
** an index for tables to the left of the join.
*/
pTerm->prereqRight |= extraRight;
}
/***************************************************************************
** Routines with file scope above. Interface to the rest of the where.c
** subsystem follows.
***************************************************************************/
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}
}
#endif /* SQLITE_ENABLE_STAT3_OR_STAT4 */
/* Prevent ON clause terms of a LEFT JOIN from being used to drive
** an index for tables to the left of the join.
*/
testcase( pTerm!=&pWC->a[idxTerm] );
pTerm = &pWC->a[idxTerm];
pTerm->prereqRight |= extraRight;
}
/***************************************************************************
** Routines with file scope above. Interface to the rest of the where.c
** subsystem follows.
***************************************************************************/
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