On Feb 3, 2008 3:23 PM, brian <
brian@zijn-digital.com> wrote:
CREATE TYPE your_type
AS (
added CHAR(11) NOT NULL,
updated CHAR(11) NOT NULL,
text_col TEXT
);
CREATE FUNCTION get_note(id INT)
RETURNS SETOF your_type IMMUTABLE
AS $$
DECLARE
your_row your_type%rowtype;
BEGIN
SELECT INTO your_row
to_char(added, 'Mon D YYYY'),
to_char(updated, 'Mon D YYYY'),
text_col
FROM note
WHERE id = $1;
RETURN your_row;
END;
$$ LANGUAGE sql;
All's okay, except you should not have declared it IMMUTABLE, because the results depend on a database query.
From the docs:
IMMUTABLE indicates that the function cannot modify the database and always returns the same result when given the same argument values; that is, it
does not do database lookups or otherwise use information not directly present in its argument list
Best regards,
--
gurjeet[.singh]@EnterpriseDB.com
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