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MYSQL: Generate Calendar Table
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; | |
DROP TABLE IF EXISTS dates; | |
CREATE TABLE dates ( | |
id INTEGER PRIMARY KEY, -- year*10000+month*100+day | |
date DATE NOT NULL, | |
year INTEGER NOT NULL, | |
month INTEGER NOT NULL, -- 1 to 12 | |
day INTEGER NOT NULL, -- 1 to 31 | |
quarter INTEGER NOT NULL, -- 1 to 4 | |
week INTEGER NOT NULL, -- 1 to 52/53 | |
day_name VARCHAR(9) NOT NULL, -- 'Monday', 'Tuesday'... | |
month_name VARCHAR(9) NOT NULL, -- 'January', 'February'... | |
holiday_flag CHAR(1) DEFAULT 'f' CHECK (holiday_flag in ('t', 'f')), | |
weekend_flag CHAR(1) DEFAULT 'f' CHECK (weekday_flag in ('t', 'f')), | |
event VARCHAR(50), | |
UNIQUE td_ymd_idx (year,month,day), | |
UNIQUE td_dbdate_idx (date) | |
) Engine=InnoDB; | |
DROP PROCEDURE IF EXISTS fill_date_dimension; | |
DELIMITER // | |
CREATE PROCEDURE fill_date_dimension(IN startdate DATE,IN stopdate DATE) | |
BEGIN | |
DECLARE currentdate DATE; | |
SET currentdate = startdate; | |
WHILE currentdate < stopdate DO | |
INSERT INTO dates VALUES ( | |
YEAR(currentdate)*10000+MONTH(currentdate)*100 + DAY(currentdate), | |
currentdate, | |
YEAR(currentdate), | |
MONTH(currentdate), | |
DAY(currentdate), | |
QUARTER(currentdate), | |
WEEKOFYEAR(currentdate), | |
DATE_FORMAT(currentdate,'%W'), | |
DATE_FORMAT(currentdate,'%M'), | |
'f', | |
CASE DAYOFWEEK(currentdate) WHEN 1 THEN 't' WHEN 7 then 't' ELSE 'f' END, | |
NULL); | |
SET currentdate = ADDDATE(currentdate,INTERVAL 1 DAY); | |
END WHILE; | |
END | |
// | |
DELIMITER ; | |
TRUNCATE TABLE dates; | |
CALL fill_date_dimension('2000-01-01','2100-01-01'); | |
OPTIMIZE TABLE dates; | |
SELECT * FROM dates ORDER BY id DESC; |
Author
mafernando
commented
Nov 3, 2016
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