#
# Test PERIOD_DIFF() function
# Author: Bharath, bharath.bokka@mariadb.com
#
-- source ../include/have_columnstore.inc

--disable_warnings
DROP DATABASE IF EXISTS mcs221_db;
--enable_warnings

CREATE DATABASE mcs221_db;
USE mcs221_db;

CREATE TABLE t1(t1_d DATE, t1_t TIME, t1_dt DATETIME)ENGINE=Columnstore;
INSERT INTO t1 VALUES(NULL, NULL, NULL);
INSERT INTO t1 VALUES('2222-11-11', '12:12:12', '2020-11-11 12:12:12');
INSERT INTO t1 VALUES('2020-01-01', '11:11:11', '2020-12-31 12:34:56');
INSERT INTO t1 VALUES('2016-02-01', '11:11:11', '2017-02-01 12:12:12');

# Result is in months
SELECT PERIOD_DIFF(200101, 199901);
SELECT PERIOD_DIFF(200101, 200012);
SELECT PERIOD_DIFF(201001, 200001);
SELECT PERIOD_DIFF(201505, 202005);

SELECT t1_dt, EXTRACT(YEAR_MONTH FROM t1_dt), PERIOD_DIFF(EXTRACT(YEAR_MONTH FROM t1_dt), 202011) FROM t1;
SELECT t1_dt, EXTRACT(YEAR_MONTH FROM t1_dt), PERIOD_DIFF(EXTRACT(YEAR_MONTH FROM t1_dt), 222212) FROM t1;
SELECT t1_dt, EXTRACT(YEAR_MONTH FROM t1_dt), PERIOD_DIFF(EXTRACT(YEAR_MONTH FROM t1_dt), 201001) FROM t1;

SELECT t1_d, EXTRACT(YEAR_MONTH FROM t1_d), PERIOD_DIFF(EXTRACT(YEAR_MONTH FROM t1_d), 202011) FROM t1;
SELECT t1_d, EXTRACT(YEAR_MONTH FROM t1_d), PERIOD_DIFF(EXTRACT(YEAR_MONTH FROM t1_d), 222212) FROM t1;

SELECT t1_t, EXTRACT(YEAR_MONTH FROM t1_t), PERIOD_DIFF(EXTRACT(YEAR_MONTH FROM t1_t), 202211) FROM t1;
SELECT t1_t, EXTRACT(YEAR_MONTH FROM t1_t), PERIOD_DIFF(EXTRACT(YEAR_MONTH FROM t1_t), 201001) FROM t1;
SELECT t1_t, EXTRACT(YEAR_MONTH FROM t1_t), PERIOD_DIFF(EXTRACT(YEAR_MONTH FROM t1_t), 202001) FROM t1;

--error ER_WRONG_PARAMCOUNT_TO_NATIVE_FCT
SELECT PERIOD_DIFF(EXTRACT(YEAR_MONTH FROM t1_t)) FROM t1;

# Clean UP
DROP DATABASE mcs221_db;