# -------------------------------------------------------------- #
# Test case migrated from regression test suite: bug3819.sql
#
# Author: Daniel Lee, daniel.lee@mariadb.com
# -------------------------------------------------------------- #
#
--source ../include/have_columnstore.inc
#
USE tpch1;
#
select cdate from datatypetestm where cdate='';
select cdatetime from datatypetestm where cdatetime='';
select cdate from datatypetestm where cdate<>'';
select cdatetime from datatypetestm where cdatetime<>'';
select * from datatypetestm where cdate=null or cdatetime<>null;
select cdate from datatypetestm where cdate is null;
select cdatetime from datatypetestm where cdatetime is null;
select cdate from datatypetestm where cdate is not null;
select cdatetime from datatypetestm where cdatetime is not null;
#