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Diffstat (limited to 'mysql-test/main/intersect.test')
| -rw-r--r-- | mysql-test/main/intersect.test | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/mysql-test/main/intersect.test b/mysql-test/main/intersect.test index fb5e991a24c..901f471121f 100644 --- a/mysql-test/main/intersect.test +++ b/mysql-test/main/intersect.test @@ -1,3 +1,7 @@ +# For explain +set @@join_buffer_size=256*1024; +set @save_optimizer_switch=@@optimizer_switch; + create table t1 (a int, b int); create table t2 (c int, d int); insert into t1 values (1,1),(2,2); @@ -38,11 +42,13 @@ execute stmt; EXPLAIN (select a,b from t1) intersect (select c,e from t2,t3); EXPLAIN extended (select a,b from t1) intersect (select c,e from t2,t3); EXPLAIN extended select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a; +set @@optimizer_switch='optimize_join_buffer_size=off'; EXPLAIN format=json (select a,b from t1) intersect (select c,e from t2,t3); --replace_regex /"r_total_time_ms": [0-9e\.\-+]*,/"r_total_time_ms": "REPLACED",/ ANALYZE format=json (select a,b from t1) intersect (select c,e from t2,t3); --replace_regex /"r_total_time_ms": [0-9e\.\-+]*,/"r_total_time_ms": "REPLACED",/ ANALYZE format=json select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a; +set @@optimizer_switch=@save_optimizer_switch; select * from ((select a,b from t1) intersect (select c,e from t2,t3)) a; prepare stmt from "(select a,b from t1) intersect (select c,e from t2,t3);"; |