Re: %ROWTYPE as PL/pgsql argument

From: Richard Emberson <emberson(at)phc(dot)net>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: %ROWTYPE as PL/pgsql argument
Date: 2002-04-02 03:02:55
Message-ID: 3CA91F5F.3231F6B9@phc.net
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Tom Lane wrote:

> Richard Emberson <emberson(at)phc(dot)net> writes:
> > CREATE OR REPLACE FUNCTION testFunc(mytable%ROWTYPE)
>
> There's no %ROWTYPE in Postgres SQL. There's no need for it, because
> the table name is also the name of the rowtype datatype --- so you
> should have written just
>
> CREATE OR REPLACE FUNCTION testFunc(mytable)
>
> regards, tom lane

The following does work ... (does the refcursor get closed automatically
in this example?)

CREATE OR REPLACE FUNCTION x(
BIGINT
)
RETURNS BIGINT AS '
DECLARE
type_id_p ALIAS FOR $1;
type_rc_v REFCURSOR;
BEGIN
OPEN type_rc_v FOR SELECT * FROM type
WHERE type_id = type_id_p;

RETURN xxx(type_rc_v);
END;
' LANGUAGE 'plpgsql' WITH (isstrict);

CREATE OR REPLACE FUNCTION xxx(
REFCURSOR
)
RETURNS BIGINT AS '
DECLARE
type_rc_p ALIAS FOR $1;
type_row_v type%ROWTYPE;
BEGIN
FETCH type_rc_p INTO type_row_v;

IF type_row_v.type_id IS NULL THEN
RETURN -2;
END IF;

RETURN type_row_v.type_kind;
END;
' LANGUAGE 'plpgsql' WITH (isstrict);

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