#
# Some basic DELETE statements #
# Author: Susil, susil.behera@mariadb.com
#
-- source ../include/have_columnstore.inc
#
--disable_warnings
DROP DATABASE IF EXISTS mcs32_db1;
--enable_warnings

CREATE DATABASE mcs32_db1;
USE mcs32_db1;

CREATE TABLE t1 (a tinyint(3), b tinyint(5)) ENGINE=Columnstore;
INSERT INTO t1 VALUES (1,1);
DELETE FROM t1;
SELECT COUNT(*) FROM t1;
INSERT INTO t1 VALUES (1, 2), (3, 4), (4, 5);
DELETE FROM t1 WHERE b > 4;
SELECT COUNT(*) FROM t1;

#Unknow column
--error 1054
DELETE FROM t1 WHERE unknown = 2;

#NULL value
INSERT INTO t1 VALUES (1, NULL);
DELETE FROM t1 WHERE b IS NULL;
SELECT COUNT(*) FROM t1;

#Compare with another columnstore table
CREATE TABLE t2 (a tinyint(3), b tinyint(5)) ENGINE=Columnstore;
INSERT INTO t1 VALUES (1,1);
DELETE FROM t1 WHERE a = (SELECT a FROM t2);
SELECT COUNT(*) FROM t1;

--error 1146
DELETE FROM unknown;
--error 1146
DELETE FROM t1 WHERE a = (SELECT a FROM unknown);

#BUG<ID>
#Compare with another innodb table
#CREATE TABLE t3 (a tinyint(3), b tinyint(5)) ENGINE=Innodb;
#INSERT INTO t1 VALUES (1,1);
#DELETE FROM t1 WHERE a > (SELECT a FROM t3);
#SELECT COUNT(*) FROM t1;

#Delete table
DELETE t1 FROM t1 WHERE a > 3;
SELECT COUNT(*) FROM t1;
DELETE t1 FROM t1,t2 WHERE t1.a = t2.a;
SELECT COUNT(*) FROM t1;

#Delete folowed by truncate
TRUNCATE t1;
DELETE FROM t1;
SELECT COUNT(*) FROM t1;

#Clean up
DROP DATABASE IF EXISTS mcs32_db1;