On Wed, Nov 1, 2017 at 2:38 AM, Peter Eisentraut
<peter.eisentraut@2ndquadrant.com> wrote:
> So this is what it can do:
>
> CREATE PROCEDURE pdrstest1()
> LANGUAGE SQL
> AS $$
> DECLARE c1 CURSOR WITH RETURN FOR SELECT * FROM cp_test2;
> DECLARE c2 CURSOR WITH RETURN FOR SELECT * FROM cp_test3;
> $$;
>
> CALL pdrstest1();
>
> and that returns those two result sets to the client.
That seems like it is at least arguably a wire protocol break. Today,
if you send a string containing only one command, you will only get
one answer.
I'm not saying that makes this change utterly unacceptable or anything
-- but I wonder how much application code it will break, and whether
any steps need to be taken to reduce breakage.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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