diff options
Diffstat (limited to 'mysql-test/main/opt_trace.test')
| -rw-r--r-- | mysql-test/main/opt_trace.test | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/mysql-test/main/opt_trace.test b/mysql-test/main/opt_trace.test index 51950f00781..ac8a1366ee5 100644 --- a/mysql-test/main/opt_trace.test +++ b/mysql-test/main/opt_trace.test @@ -1,4 +1,5 @@ --source include/not_embedded.inc +--source include/have_sequence.inc SELECT table_name, column_name FROM information_schema.columns where table_name="OPTIMIZER_TRACE"; show variables like 'optimizer_trace'; set optimizer_trace="enabled=on"; @@ -567,4 +568,12 @@ select * from t3 where (a,a) in (select t1.a, t2.a from t1, t2 where t1.b=t2.b); select JSON_DETAILED(JSON_EXTRACT(trace, '$**.semijoin_table_pullout')) from INFORMATION_SCHEMA.OPTIMIZER_TRACE; drop table t1,t2,t3; + +--echo # +--echo # Test many rows to see output of big cost numbers +--echo # + +select count(*) from seq_1_to_10000000; +select * from INFORMATION_SCHEMA.OPTIMIZER_TRACE; + set optimizer_trace='enabled=off'; |