From: Tom Lane <tgl@sss.pgh.pa.us>
To: Matthew Wakeling <matthew@flymine.org>
Cc: justin <justin@emproshunts.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: plpgsql arrays
Date: Tue, 07 Apr 2009 12:08:13 -0400
Message-ID: <16186.1239120493@sss.pgh.pa.us> (raw)
In-Reply-To: <alpine.DEB.2.00.0904071630420.791@aragorn.flymine.org>
References: <alpine.DEB.2.00.0904031420470.21772@aragorn.flymine.org>
<28757.1238767715@sss.pgh.pa.us>
<alpine.DEB.2.00.0904071616350.791@aragorn.flymine.org>
<49DB700F.8020108@emproshunts.com>
<alpine.DEB.2.00.0904071630420.791@aragorn.flymine.org>
Matthew Wakeling <matthew@flymine.org> writes:
> CREATE OR REPLACE FUNCTION overlap_gene_primer() RETURNS SETOF RECORD AS $$
> DECLARE
> left location;
> retval RECORD;
> BEGIN
> DECLARE left_cursor NO SCROLL CURSOR FOR SELECT location FROM location, gene WHERE location.id = gene.id ORDER BY objectid, start, end;
> left = FETCH left_cursor;
> END;
> $$ LANGUAGE plpgsql;
Well, the DECLARE for the cursor should go in the DECLARE section,
and the syntax for the FETCH should be
FETCH cursorname INTO recordvariablename;
and I'm too lazy to check right now but I think you might be missing
an OPEN for the cursor.
regards, tom lane
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To: pgsql-performance@postgresql.org
Cc: tgl@sss.pgh.pa.us, matthew@flymine.org, justin@emproshunts.com
Subject: Re: plpgsql arrays
In-Reply-To: <16186.1239120493@sss.pgh.pa.us>
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