# # Test REGR_R2 function # Author: Bharath, bharath.bokka@mariadb.com # -- source ../include/have_columnstore.inc --disable_warnings DROP DATABASE IF EXISTS mcs199_db; --enable_warnings CREATE DATABASE mcs199_db; USE mcs199_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_R2(y, x) FROM t1; SELECT z, REGR_R2(y, x) FROM t1 GROUP BY z ORDER BY z; --error 1123 SELECT REGR_R2(y) FROM t1; # Clean UP DROP DATABASE mcs199_db;