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Qual: More portable SQL

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This commit is contained in:
Laurent Destailleur
2009-10-25 18:53:09 +00:00
parent 66f7b34e33
commit 05533ffe77
4 changed files with 50 additions and 62 deletions
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19
htdocs/install/pgsql/functions/functions.sql
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@@ -16,23 +16,10 @@
-- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
--
-- $Id$
--
-- ============================================================================
CREATE OR REPLACE FUNCTION UNIX_TIMESTAMP(TIMESTAMP WITHOUT TIME ZONE)
RETURNS BIGINT
LANGUAGE SQL
IMMUTABLE STRICT
AS 'SELECT EXTRACT(EPOCH FROM $1)::bigint;';
CREATE OR REPLACE FUNCTION UNIX_TIMESTAMP(TIMESTAMP WITHOUT TIME ZONE) RETURNS BIGINT LANGUAGE SQL IMMUTABLE STRICT AS 'SELECT EXTRACT(EPOCH FROM $1)::bigint;';
CREATE OR REPLACE FUNCTION UNIX_TIMESTAMP(TIMESTAMP WITH TIME ZONE)
RETURNS BIGINT
LANGUAGE SQL
IMMUTABLE STRICT
AS 'SELECT EXTRACT(EPOCH FROM $1)::bigint;';
CREATE OR REPLACE FUNCTION UNIX_TIMESTAMP(TIMESTAMP WITH TIME ZONE) RETURNS BIGINT LANGUAGE SQL IMMUTABLE STRICT AS 'SELECT EXTRACT(EPOCH FROM $1)::bigint;';
CREATE OR REPLACE FUNCTION FROM_UNIXTIME(BIGINT, VARCHAR)
RETURNS TIMESTAMP WITH TIME ZONE
LANGUAGE SQL
IMMUTABLE STRICT
AS 'SELECT TIMESTAMP WITH TIME ZONE \'epoch\' + $1 * interval \'1 second\' ;';
CREATE OR REPLACE FUNCTION FROM_UNIXTIME(BIGINT, VARCHAR) RETURNS TIMESTAMP WITH TIME ZONE LANGUAGE SQL IMMUTABLE STRICT AS 'SELECT TIMESTAMP WITH TIME ZONE \'epoch\' + $1 * interval \'1 second\' ;';