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mariadb-columnstore-engine/mysql-test/columnstore/basic/t/mcs97_group_concat.test
2025-09-05 16:33:04 +04:00

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#
# Test group_concat function
# Author: Bharath, bharath.bokka@mariadb.com
#
-- source ../include/have_columnstore.inc
--disable_warnings
DROP DATABASE IF EXISTS mcs97_db;
--enable_warnings
CREATE DATABASE mcs97_db;
USE mcs97_db;
CREATE TABLE t1 (a INT, b CHAR(5))ENGINE=Columnstore;
INSERT INTO t1 VALUES (NULL, NULL),(1, 'aaa'),(2, 'aaa'),(3, 'ccc'),(4, 'ddd'),(5, 'aaa'),(6, 'ddd'),(7, 'eee');
SELECT GROUP_CONCAT(a ORDER BY a) FROM t1;
SELECT GROUP_CONCAT(a ORDER BY a DESC SEPARATOR ';') FROM t1;
SELECT GROUP_CONCAT(a ORDER BY a DESC SEPARATOR ';') FROM t1;
SELECT GROUP_CONCAT(b ORDER BY b) FROM t1;
SELECT GROUP_CONCAT(DISTINCT b ORDER BY b ASC SEPARATOR ';') FROM t1;
SELECT GROUP_CONCAT(b ORDER BY b DESC SEPARATOR ';') FROM t1;
# Clean UP
DROP DATABASE mcs97_db;