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--- Debian Source Builder: Database Schema for PostgreSQL -*- sql -*-
---
--- Copyright © 2008-2009 Roger Leigh <rleigh@debian.org>
--- Copyright © 2008-2009 Marc 'HE' Brockschmidt <he@debian.org>
--- Copyright © 2008-2009 Adeodato Simó <adeodato@debian.org>
---
--- This program is free software: you can redistribute it and/or modify
--- it under the terms of the GNU General Public License as published by
--- the Free Software Foundation, either version 2 of the License, or
--- (at your option) any later version.
---
--- This program is distributed in the hope that it will be useful, but
--- WITHOUT ANY WARRANTY; without even the implied warranty of
--- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
--- General Public License for more details.
---
--- You should have received a copy of the GNU General Public License
--- along with this program. If not, see
--- <http://www.gnu.org/licenses/>.
CREATE OR REPLACE FUNCTION create_plpgsql_language ()
RETURNS TEXT AS $$
CREATE LANGUAGE plpgsql;
SELECT 'language plpgsql created'::TEXT;
$$
LANGUAGE SQL;
SELECT CASE WHEN
(SELECT 't'::boolean
FROM pg_language
WHERE lanname='plpgsql')
THEN
(SELECT 'language plpgsql already installed'::TEXT)
ELSE
(SELECT create_plpgsql_language())
END;
DROP FUNCTION create_plpgsql_language();
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