Re: Function caches wrong OID of temporary table?

On Wed, 2004-09-08 at 12:37, Phil Endecott wrote:
> Dear PostgreSQL experts,
>
> I have encountered a problem with temporary tables inside plpgsql
> functions.  I suspect that this is a known issue; if someone could
> confirm and suggest a workaround I'd be grateful.
>
> My function creates a couple of temporary tables, uses them, and drops
> them before returning:

...
> ERROR:  relation with OID 590209 does not exist
> CONTEXT:  PL/pgSQL function "f" line 18 at SQL statement
>
> (Line 18 is the insert-select statement.)
>
> I imagine that it has cached that one of the tables is object 590209,
> but has not noticed that the table has been dropped and recreated before
> the second invokation of the function.

That is correct.  You need to EXECUTE the command instead, so that it is
planned afresh each time it is used.

--
Oliver Elphick                                          olly@lfix.co.uk
Isle of Wight                              http://www.lfix.co.uk/oliver
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