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.
-- Bruce Momjian <bruce@momjian.us> http://momjian.us EnterpriseDB
http://enterprisedb.com
+ Everyone has their own god. +