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

--disable_warnings
DROP DATABASE IF EXISTS mcs200_db;
--enable_warnings

CREATE DATABASE mcs200_db;
USE mcs200_db;

CREATE TABLE t1 (x INT, y MEDIUMINT, z CHAR(5))ENGINE=Columnstore;
INSERT INTO t1 VALUES (NULL, NULL, ''),(20, 1, 'aaa'),(39, 2, 'aaa'),(48, 3, 'bbb'),(57, 4, 'bbb'),(66, 5, 'aaa'),(75, 6, 'aaa'),(84, 7, 'bbb');

SELECT REGR_SLOPE(y, x) FROM t1;
SELECT z, REGR_SLOPE(y, x) FROM t1 GROUP BY z ORDER BY z;

--error 1123
SELECT REGR_SLOPE(y) FROM t1;

# Clean UP
DROP DATABASE mcs200_db;