| From: | Achilleus Mantzios <achill(at)matrix(dot)gatewaynet(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: FOREIGN KEY and AccessExclusiveLock |
| Date: | 2004-09-28 13:34:43 |
| Message-ID: | Pine.LNX.4.44.0409281632260.30263-100000@matrix.gatewaynet.com |
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| Lists: | pgsql-sql |
O Tom Lane έγραψε στις Sep 28, 2004 :
> Achilleus Mantzios <achill(at)matrix(dot)gatewaynet(dot)com> writes:
> > Whats the purpose of the AccessExclusiveLock on parent table?
>
> We're adding a trigger to it.
From the docs:
Acquired by the ALTER TABLE, DROP TABLE, REINDEX, CLUSTER, and VACUUM FULL
commands. This is also the default lock mode for LOCK TABLE statements
that do not specify a mode explicitly.
Now is the lock in question created explicitly with LOCK TABLE?
Since the docs dont say a thing about triggers acquiring locks.
>
> regards, tom lane
>
--
-Achilleus
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