vacuum crash

From: Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>
To: hackers(at)postgreSQL(dot)org (PostgreSQL-development)
Subject: vacuum crash
Date: 1998-10-08 02:23:19
Message-ID: 199810080223.WAA22716@candle.pha.pa.us
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I think I am on to something.

The funny way I update the system tables with vacuum optimization
information is wrong, I think, and the new cache code is properly
complaining about it.

I will keep testing. If I comment out the following code, the vacuum works.
Is there a better way to do this?

---------------------------------------------------------------------------

/* XXX -- after write, should invalidate relcache in other backends */
WriteNoReleaseBuffer(ItemPointerGetBlockNumber(&rtup->t_ctid));

/*
* invalidating system relations confuses the function cache of
* pg_operator and pg_opclass, bjm
*/
if (!IsSystemRelationName(pgcform->relname.data))
RelationInvalidateHeapTuple(rd, rtup);

--
Bruce Momjian | http://www.op.net/~candle
maillist(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
+ Christ can be your backup. | Drexel Hill, Pennsylvania 19026

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