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ianthrive/nth_dow.sql

Last active August 29, 2015 14:06
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Calculates and returns the Nth day of the week for the given date.
Raw
nth_dow.sql
CREATE OR REPLACE FUNCTION public.extract_nth_dow(d date) RETURNS integer
AS $$
-- Calculates and returns the Nth day of the week for the given date.
SELECT (EXTRACT(day FROM d)::INTEGER - 1) / 7 + 1;
$$ LANGUAGE sql;
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