| From: | "Ed L(dot)" <pgsql(at)bluepolka(dot)net> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: reclaiming diskspace bloat w/near-zero downtime |
| Date: | 2004-12-04 20:55:38 |
| Message-ID: | 200412041355.38941.pgsql@bluepolka.net |
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| Thread: | |
| Lists: | pgsql-general |
On Saturday December 4 2004 1:01, Ed L. wrote:
>
> ...I have a
> shell game using rules that goes like this for bloated table foo:
> ...
> begin
> drop view foo
> alter table slim_foo rename to foo
> commit
>
> Some basic testing for my particulars suggests this works, but anyone see
> any issues with this?
I guess this is not safe in 7.3.4. :( Dropping the view within a transaction
causes the following error if a triggered function is concurrently
accessing that view:
WARNING: Error occurred while executing PL/pgSQL function f
WARNING: line 16 at SQL statement
ERROR: RelationClearRelation: relation 7372083 deleted while still in use
Ed
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