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C comment: update lock level mention in comment

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Patch by Etsuro Fujita
This commit is contained in:
Bruce Momjian 2015-03-20 08:31:10 -04:00
parent 959277a4f5
commit 13a10c0ccd
1 changed files with 3 additions and 3 deletions
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6
src/backend/commands/tablecmds.c
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@ -1756,9 +1756,9 @@ MergeAttributes(List *schema, List *supers, char relpersistence,
pfree(newattno);
/*
* Close the parent rel, but keep our AccessShareLock on it until xact
* commit. That will prevent someone else from deleting or ALTERing
* the parent before the child is committed.
* Close the parent rel, but keep our ShareUpdateExclusiveLock on it
* until xact commit. That will prevent someone else from deleting or
* ALTERing the parent before the child is committed.
*/
heap_close(relation, NoLock);
}