mirror of
https://github.com/MariaDB/server.git
synced 2025-01-30 18:41:56 +01:00
06a7352d33
This test ran `show status like '%Created_tmp%'`. This captures `Created_tmp_files` as well as the intended `Created_tmp_tables`. In 11.5, the former got moved to `FLUSH GLOBAL`, so when testing, the result can now be random. This fix makes the test just use `Created_tmp_tables`.
66 lines
2.2 KiB
Text
66 lines
2.2 KiB
Text
# MDEV-7586 regression test.
|
|
# Test if created_tmp_tables status variable is correctly incremented.
|
|
--source include/have_perfschema.inc
|
|
--source include/not_embedded.inc
|
|
|
|
# Tests will be skipped for the view protocol because the view protocol creates
|
|
# an additional util connection and other statistics data
|
|
-- source include/no_view_protocol.inc
|
|
|
|
create table t2 (a int);
|
|
insert into t2 values (1),(2),(3);
|
|
create view v2 as select a from t2;
|
|
|
|
flush status;
|
|
select * from v2;
|
|
--disable_ps_protocol
|
|
show status like '%Created_tmp_tables%';
|
|
--enable_ps_protocol
|
|
|
|
explain select * from v2;
|
|
|
|
select * from (select * from t2) T1;
|
|
--disable_ps_protocol
|
|
show status like '%Created_tmp_tables%';
|
|
--enable_ps_protocol
|
|
|
|
explain select * from (select * from t2) T1;
|
|
|
|
|
|
drop view v2;
|
|
drop table t2;
|
|
|
|
|
|
--disable_ps_protocol
|
|
|
|
CREATE TABLE t1(a int);
|
|
INSERT INTO t1 values(1),(2);
|
|
CREATE TABLE t2(a int);
|
|
INSERT INTO t2 values(1),(2);
|
|
|
|
EXPLAIN SELECT * FROM t1 WHERE a IN (SELECT * FROM t2 GROUP BY a HAVING a > 1);
|
|
truncate table performance_schema.events_statements_history_long;
|
|
flush status;
|
|
CREATE TABLE t3 SELECT * FROM t1 WHERE a IN (SELECT * FROM t2 GROUP BY a HAVING a > 1);
|
|
--echo # Performance schema should be the same as "Created_tmp_tables" variable below
|
|
select sum(created_tmp_tables) from performance_schema.events_statements_history_long;
|
|
show status like '%Created_tmp_tables%';
|
|
drop table t3;
|
|
|
|
set @@optimizer_switch="firstmatch=off";
|
|
EXPLAIN SELECT * FROM t1 WHERE a IN (SELECT * FROM t2 GROUP BY a);
|
|
truncate table performance_schema.events_statements_history_long;
|
|
flush status;
|
|
CREATE TABLE t3 SELECT * FROM t1 WHERE a IN (SELECT * FROM t2 GROUP BY a);
|
|
--echo # Performance schema should be the same as "Created_tmp_tables" variable below
|
|
select sum(created_tmp_tables) from performance_schema.events_statements_history_long;
|
|
show status like '%Created_tmp_tables%';
|
|
set @@optimizer_switch=default;
|
|
|
|
drop table t1,t2,t3;
|
|
|
|
truncate table performance_schema.events_statements_history_long;
|
|
flush status;
|
|
--echo # Performance schema should be the same as "Created_tmp_tables" variable below
|
|
select sum(created_tmp_tables) from performance_schema.events_statements_history_long;
|
|
show status like '%Created_tmp_tables%';
|