jl/schema/suggested_date/periods.sql

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2018-09-19 00:58:06 -04:00
WITH
--startign month
m as (
SELECT
*
FROM
(
VALUES
(1,1,1)
,(2,2,1)
,(3,3,1)
,(4,4,2)
,(5,5,2)
,(6,6,2)
,(7,7,3)
,(8,8,3)
,(9,9,3)
,(10,10,4)
,(11,11,4)
,(12,12,4)
) X (cm,fm,fq)
)
INSERT INTO
evt.fspr
SELECT
--TO_CHAR(gs.d,'YYYY.MM.DD')::ltree t1
(
--year
to_char(extract(year from gs.d),'FM0000')
--quarter
||'.'||to_char(m.fq,'FM00')
--month
||'.'||to_char(m.fm,'FM00')
--day
||'.'||to_char(extract(day from gs.d),'FM00')
)::ltree t2
,tstzrange(gs.d,gs.d + '1 month'::interval) r
FROM
generate_series('2018-01-01 00:00'::timestamptz,'2099-12-01 00:00'::timestamptz,'1 month') gs(d)
INNER JOIN m ON
m.cm = extract(month from gs.d)