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16 lines
371 B
16 lines
371 B
11 years ago
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-- Convert timestamp to double precision
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--
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CREATE OR REPLACE FUNCTION CDB_DateToNumber(input timestamp)
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RETURNS double precision AS $$
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DECLARE output double precision DEFAULT NULL;
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BEGIN
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BEGIN
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SELECT extract (EPOCH FROM input) INTO output;
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EXCEPTION WHEN OTHERS THEN
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RETURN NULL;
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END;
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RETURN output;
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END;
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$$
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LANGUAGE 'plpgsql' STABLE STRICT;
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