Re: declare variable in udf - Mailing list pgsql-general

From Peter Kroon
Subject Re: declare variable in udf
Date
Msg-id CAOh+DOn1fVWK5F4k1pGOo8y4BKjr3BBEQy1OMDATT+Ls05QCkw@mail.gmail.com
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In response to Re: declare variable in udf  (Raymond O'Donnell <rod@iol.ie>)
Responses Re: declare variable in udf
Re: declare variable in udf
List pgsql-general
So, multiple DECLARE sections are not allowed?


2012/11/21 Raymond O'Donnell <rod@iol.ie>
On 21/11/2012 11:42, Peter Kroon wrote:
> Hello,
>
> How do I declare a variable after BEGIN?
> I want to declare it in the if statement.
>
> DROP FUNCTION IF EXISTS tmp_test(integer);
> CREATE FUNCTION tmp_test(
> p_id integer
> )
> RETURNS text
> AS $$
> DECLARE the_return_value text;
> BEGIN
> DROP TABLE IF EXISTS temp_test_table;
> CREATE TEMP TABLE temp_test_table(
> some_value text
> );
> INSERT INTO temp_test_table
> SELECT data FROM table WHERE id=p_id;
> SELECT INTO the_return_value some_value FROM temp_test_table;
>
> IF 1=1 THEN
>                 --how do I declare a variable here? it this possible?
> RAISE NOTICE 'this is a notice';
> END IF;
>
> RETURN the_return_value;
>
> END;
> $$ language plpgsql

I don't think that is possible - you have to declare all your variables
in the DECLARE section.

Ray.

--
Raymond O'Donnell :: Galway :: Ireland
rod@iol.ie

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