set @subselect_extra_no_sj_tmp=@@optimizer_switch;

set  @optimizer_switch_for_subselect_extra_test='semijoin=off,firstmatch=off,loosescan=off,semijoin_with_cache=off';

--source subselect_extra.test

set optimizer_switch= @subselect_extra_no_sj_tmp;

set @optimizer_switch_for_subselect_extra_test=null;

--echo #
--echo # MDEV-6439: Server crashes in Explain_union::print_explain with explain in slow log, tis620 charset
--echo #

--disable_service_connection

## Using a separate client connection is easier than restoring state
connect(con1,localhost,root,,);

SET NAMES tis620;
set @tmp= @@global.slow_query_log;
SET GLOBAL slow_query_log = 1;
SET long_query_time = 0.000001;
SET log_slow_verbosity = 'explain';

CREATE TABLE t1 (a VARCHAR(3)) ENGINE=MyISAM;
SELECT * FROM t1 WHERE a >= ANY ( SELECT 'foo');
--error ER_CANT_AGGREGATE_2COLLATIONS
SELECT * FROM t1 WHERE a >= ANY ( SELECT 'foo' UNION SELECT 'bar' );

create table t2 (b int);
insert into t2 values (1),(2),(3);

--error ER_CANT_AGGREGATE_2COLLATIONS
SELECT * FROM t1 WHERE a >= ANY ( SELECT 'foo' FROM t2);

drop table t1,t2;
SET GLOBAL slow_query_log=@tmp;
disconnect con1;
connection default;

--enable_service_connection