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| author | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2014-04-22 15:34:54 +0300 |
|---|---|---|
| committer | Heikki Linnakangas <heikki.linnakangas@iki.fi> | 2014-04-22 15:34:54 +0300 |
| commit | 77fe2b6d795f3f4ed282c9c980920e128a57624e (patch) | |
| tree | 41b45ca0fd021e0cd661d991b49744e544b17a17 /src | |
| parent | 7e30c186da8eaae84ab30352ac23f0d5bdc59e25 (diff) | |
| download | postgresql-77fe2b6d795f3f4ed282c9c980920e128a57624e.tar.gz postgresql-77fe2b6d795f3f4ed282c9c980920e128a57624e.zip | |
Fix bug in new B-tree page deletion code.
When modifying a page, must hold an exclusive lock. A shared lock is
obviously not good enough.
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/access/nbtree/nbtpage.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/access/nbtree/nbtpage.c b/src/backend/access/nbtree/nbtpage.c index 87ac5f4aafb..b95c1b886d4 100644 --- a/src/backend/access/nbtree/nbtpage.c +++ b/src/backend/access/nbtree/nbtpage.c @@ -996,7 +996,7 @@ _bt_lock_branch_parent(Relation rel, BlockNumber child, BTStack stack, /* Locate the parent's downlink (updating the stack entry if needed) */ ItemPointerSet(&(stack->bts_btentry.t_tid), child, P_HIKEY); - pbuf = _bt_getstackbuf(rel, stack, BT_READ); + pbuf = _bt_getstackbuf(rel, stack, BT_WRITE); if (pbuf == InvalidBuffer) elog(ERROR, "failed to re-find parent key in index \"%s\" for deletion target page %u", RelationGetRelationName(rel), child); |