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help / color / mirror / Atom feedFrom: jonathansfl <jonathanbrinkman@yahoo.com>
To: pgsql-sql@postgresql.org
Subject: Re: postgres subfunction return error
Date: Fri, 27 Sep 2013 14:02:28 -0700 (PDT)
Message-ID: <01a001cebbc4$ced17260$6c745720$@com> (raw)
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Hurray, that works!
Many thanks David
CREATE OR REPLACE FUNCTION custom.pr_test_parentfunction (
v_action varchar,
out swv_refcur refcursor,
out swv_refcur2 refcursor,
out swv_refcur3 refcursor
)
RETURNS record AS
$body$
DECLARE
SWV_Action VARCHAR(50) DEFAULT Coalesce(v_Action,'1');
v_outvar1 REFCURSOR; v_outvar2 REFCURSOR; v_outvar3 REFCURSOR;
BEGIN
SELECT * INTO v_outvar1, v_outvar2, v_outvar3 FROM
custom.pr_test_subfunction(SWV_Action);
swv_refcur = v_outvar1;
swv_refcur2 = v_outvar2;
swv_refcur3 = v_outvar3;
RETURN;
END;
$body$
LANGUAGE 'plpgsql'
VOLATILE
CALLED ON NULL INPUT
SECURITY INVOKER
COST 100;
From: David Johnston [via PostgreSQL]
[mailto:ml-node+s1045698n5772627h95@n5.nabble.com]
Sent: Friday, September 27, 2013 1:43 PM
To: jonathansfl
Subject: Re: postgres subfunction return error
jonathansfl wrote
SELECT * INTO v_outvar1, v_outvar2, v_outvar3 FROM
custom.pr_test_subfunction(SWV_Action);
OPEN swv_refcur for SELECT v_outvar1;
OPEN swv_refcur2 for SELECT v_outvar2;
OPEN swv_refcur3 for SELECT v_outvar3;
RETURN;
I've never used cursors in this way so my help is more theory but:
The called-function already created the cursors. In the parent function you
should simply be able to pass them through unaltered:
SELECT * INTO v_outvar1, ...;
swv_refcur := v_outvar1;
...
...
RETURN;
You can possible simply the above and toss the temporary variables but that
should not impact the semantics.
David J.
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Subject: Re: postgres subfunction return error
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