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| author | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2013-10-07 23:57:40 +0300 |
|---|---|---|
| committer | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2013-10-08 00:03:24 +0300 |
| commit | cc736ed91f4c04773fcb8f4683542ce105997e5b (patch) | |
| tree | a0a50de55dd54c7f11ec4bf830bf358068514086 /src/tutorial/basics.source | |
| parent | 4750eae3504e9d74eec883434cf275657d57bd25 (diff) | |
Fix bugs in SSI tuple locking.
1. In heap_hot_search_buffer(), the PredicateLockTuple() call is passed
wrong offset number. heapTuple->t_self is set to the tid of the first
tuple in the chain that's visited, not the one actually being read.
2. CheckForSerializableConflictIn() uses the tuple's t_ctid field
instead of t_self to check for exiting predicate locks on the tuple. If
the tuple was updated, but the updater rolled back, t_ctid points to the
aborted dead tuple.
Reported by Hannu Krosing. Backpatch to 9.1.
Diffstat (limited to 'src/tutorial/basics.source')
0 files changed, 0 insertions, 0 deletions