12 lines
298 B
PL/PgSQL
12 lines
298 B
PL/PgSQL
CREATE OR REPLACE FUNCTION add_months (datetime TIMESTAMP WITH TIME ZONE, months NUMERIC)
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RETURNS TIMESTAMP WITH TIME ZONE AS $$
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BEGIN
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if datetime is null or months is null then
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return null;
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end if;
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return datetime + (interval '1' month * TRUNC(months));
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END;
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$$ LANGUAGE plpgsql IMMUTABLE
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;
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