From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
---|---|
To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | Joseph Shraibman <jks(at)selectacast(dot)net>, pgsql-general(at)postgresql(dot)org |
Subject: | Re: error on drop table |
Date: | 2001-11-29 05:53:17 |
Message-ID: | 200111290553.fAT5rH207820@candle.pha.pa.us |
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Lists: | pgsql-general |
> regression=# DROP TABLE tqt;
> NOTICE: FlushRelationBuffers(tqt, 0): block 0 is referenced (private 2, global 1)
> ERROR: heap_drop_with_catalog: FlushRelationBuffers returned -2
> regression=#
>
> The error message is evidently arising because the cursor's seqscan
> still has a pin on the scan's current page.
>
> Ideally we should refuse to execute the DROP because of the open cursor.
> Offhand I don't see an easy way to do that, however. Bruce, would you
> put something about it in TODO?
Seems it fails with temp and regular tables. Added to TODO:
o Prevent DROP of table being referenced by our own open cursor
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
+ If your life is a hard drive, | 830 Blythe Avenue
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