DROP DATABASE IF EXISTS mcs27_db;
CREATE DATABASE mcs27_db;
USE mcs27_db;
CREATE TABLE t1(
c1 INT,
c2 CHAR(5)
) ENGINE=Columnstore;
INSERT INTO t1 VALUES (123, 'abc');
INSERT INTO t1 VALUES (123, 'abc');
INSERT INTO t1 VALUES (123, 'abc') ON DUPLICATE KEY UPDATE c1 = VALUES(c1) + 1;
SELECT * FROM t1;
c1	c2
123	abc
123	abc
123	abc
DROP DATABASE mcs27_db;