Hi,
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 "
could it be that an index exists when the table doesn't or
does it mean the functions did not stop properly ?
please help.
Pam Withnall


Tue, 20 Feb 2001 16:30:14 +1100
Pam Withnall <Pamw@zoom.com.au>
ExecOpenScanR: failed to open relation 
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.

			regards, tom lane

Fri, 23 Feb 2001 15:30:17 -0500
Tom Lane <tgl@sss.pgh.pa.us>
Re: ExecOpenScanR: failed to open relation 
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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Mon, 26 Feb 2001 12:16:19 -0500 (EST)
Jan Wieck <janwieck@Yahoo.com>
Re: ExecOpenScanR: failed to open relation