On 2015/03/20 21:31, Bruce Momjian wrote:
On Thu, Oct 23, 2014 at 06:29:07PM +0900, Etsuro Fujita wrote:
I don't think that the lock level mentioned in the following comment in
MergeAttributes() in tablecmds.c is right, since that that function has
opened the relation with ShareUpdateExclusiveLock, not with
AccessShareLock. Patch attached.
1749 /*
1750 * Close the parent rel, but keep our AccessShareLock on it
until xact
1751 * commit. That will prevent someone else from deleting or
ALTERing
1752 * the parent before the child is committed.
1753 */
1754 heap_close(relation, NoLock);
Agreed, patch applied. Thanks.
Thanks for picking this up!
Best regards,
Etsuro Fujita
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