Re: stale temporary tables

thimoty(at)thimoty(dot)it wrote:
> Hello all,
> i don't know if there is a quicker way, but i ended up in having
> 40,000 or so
> stale temp tables from a Java application which is using postgres as
> backend.
>
> what i did is the following:
> 1) run postmaster with -o -O
> 2) type \dS and put the result to a file (list of all the temp tables,
> all still there!)
> 3) create a sql file to drop the tables like this
> cut -f1 -d\| staletables.txt | grep pg_temp | sed '/pg_temp.[0-9]*.[0-9]
> */s//DROP TABLE "&";/' > droptables.sql
> 4) from pgsql run \i droptables.sql
>
> isn't there any switch or command in VACUUM that does it?

Lost temp tables should never happen, but they sometimes do because of
backend crashes. I have worked on a patch to auto-delete them, but it
was rejected and we can't come up with a good way to do it. I think
this is fixed in 7.3.

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