Re: ExecOpenScanR: failed to open relation - Mailing list pgsql-hackers

From Jan Wieck
Subject Re: ExecOpenScanR: failed to open relation
Date
Msg-id 200102261716.MAA03277@jupiter.jw.home
Whole thread Raw
In response to Re: ExecOpenScanR: failed to open relation  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-hackers
Tom Lane wrote:
> Pam Withnall <Pamw@zoom.com.au> writes:
> > in my java code I am creating 3 temporary tables, then calling a stored
> > procedure which calls another stored procedure.
> > then I drop the temporary tables.
> > the first time around , eveything is OK  , then when repeating the action I
> > get
> > "ExecOpenScanR: failed to open relation 2808495 "
>
> If you're using plpgsql, you can't drop and recreate temp tables between
> procedure executions, because the cached query plans for the procedure
> will still refer to the old version of the tables.
>
> Either create the temp table *once* per backend, or use pltcl, which
> doesn't try to cache query plans.
   as  long  as  you  don't  tell  it  to (using spi_prepare and   spi_execp explicitly in PL/Tcl) :-)


Jan

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