Re: [BUGS] session variable

Peter Eisentraut wrote:
> sad writes:
> 
> > The first problem using temp table is:
> >
> > CREATE TABLE locals (name text, value text);
> >
> > CREATE OR REPLACE FUNCTION test_locals_access() RETURNS text AS '
> > DECLARE i text;
> > BEGIN
> > SELECT value INTO i FROM locals WHERE name=''n1''
> > RETURN i;
> > END;
> > ' LANGUAGE 'plpgsql';
> >
> > SELECT test_locals_access() ;
> >
> > column
> > -------------
> > <null>
> >
> > CREATE TEMP TABLE locals (name text, value text);
> > INSERT INTO locals VALUES ('n1','xxx');
> >
> > SELECT test_locals_access() ;
> >
> > column
> > -------------
> > <null>                   <=== the Function seing global table
> 
> This is a problem in plpgsql, not in temporary tables.

Yes, see the FAQ.  You have to use EXECUTE for temp table access in
functions.

--  Bruce Momjian                        |  http://candle.pha.pa.us pgman@candle.pha.pa.us               |  (610)
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