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Make LockDatabaseObject() AcceptInvalidationMessages().

author Robert Haas <rhaas@postgresql.org>

2010年8月16日 02:02:28 +0000 (02:02 +0000)

committer Robert Haas <rhaas@postgresql.org>

2010年8月16日 02:02:28 +0000 (02:02 +0000)

This is appropriate for the same reasons we already do it in
LockSharedObject(): things might have changed while we were waiting
for the lock. There doesn't seem to be a live bug here at the moment,
but that's mostly because it isn't currently used for very much.

src/backend/storage/lmgr/lmgr.c patch | blob | blame | history

diff --git a/src/backend/storage/lmgr/lmgr.c b/src/backend/storage/lmgr/lmgr.c

index 75f2f2666e05e923f4d31a5e52b9de7b4dd3a892..39a0ea1deb15f1c84deb70aa56f65378efb89269 100644 (file)

--- a/src/backend/storage/lmgr/lmgr.c

+++ b/src/backend/storage/lmgr/lmgr.c

@@ -8,7 +8,7 @@

* IDENTIFICATION

- * $PostgreSQL: pgsql/src/backend/storage/lmgr/lmgr.c,v 1.100 2010年01月02日 16:57:52 momjian Exp $

+ * $PostgreSQL: pgsql/src/backend/storage/lmgr/lmgr.c,v 1.101 2010年08月16日 02:02:28 rhaas Exp $

*-------------------------------------------------------------------------

@@ -599,6 +599,9 @@ LockDatabaseObject(Oid classid, Oid objid, uint16 objsubid,

objsubid);

(void) LockAcquire(&tag, lockmode, false, false);

+ /* Make sure syscaches are up-to-date with any changes we waited for */

+ AcceptInvalidationMessages();

}

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