41 lines
1.2 KiB
PL/PgSQL
41 lines
1.2 KiB
PL/PgSQL
--- CRIMSON --- A simple PHP framework.
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--- Copyright © 2024 Freya Murphy <contact@freyacat.org>
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---
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--- This file is part of CRIMSON.
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---
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--- CRIMSON is free software; you can redistribute it and/or modify it
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--- under the terms of the GNU General Public License as published by
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--- the Free Software Foundation; either version 3 of the License, or (at
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--- your option) any later version.
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---
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--- CRIMSON is distributed in the hope that it will be useful, but
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--- WITHOUT ANY WARRANTY; without even the implied warranty of
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--- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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--- GNU General Public License for more details.
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---
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--- You should have received a copy of the GNU General Public License
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--- along with CRIMSON. If not, see <http://www.gnu.org/licenses/>.
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-- Gets the current databse revision.
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CREATE OR REPLACE FUNCTION curr_revision()
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RETURNS INTEGER
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LANGUAGE plpgsql VOLATILE
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AS $BODY$
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DECLARE
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_revision INTEGER;
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BEGIN
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BEGIN
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SELECT curr_revision INTO _revision
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FROM sys.database_info
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WHERE name = current_database();
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RETURN _revision;
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EXCEPTION WHEN OTHERS THEN
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RETURN 0;
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END;
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END
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$BODY$;
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GRANT EXECUTE ON FUNCTION curr_revision() TO POSTGRES_USER;
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SELECT curr_revision();
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