diff options
Diffstat (limited to 'mysql-test/main/show_explain_ps.result')
| -rw-r--r-- | mysql-test/main/show_explain_ps.result | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/mysql-test/main/show_explain_ps.result b/mysql-test/main/show_explain_ps.result new file mode 100644 index 00000000..1c3be0d5 --- /dev/null +++ b/mysql-test/main/show_explain_ps.result @@ -0,0 +1,42 @@ +truncate table performance_schema.events_statements_history_long; +truncate table performance_schema.events_stages_history_long; +drop table if exists t0, t1; +select * from performance_schema.setup_instruments where name like '%show_explain%'; +NAME ENABLED TIMED +wait/synch/cond/sql/show_explain YES YES +stage/sql/Show explain YES YES +statement/sql/show_explain YES YES +# We've got no instances +select * from performance_schema.cond_instances where name like '%show_explain%'; +NAME OBJECT_INSTANCE_BEGIN +# Check out if our cond is hit. +create table t0 (a int); +insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); +connect con1, localhost, root,,; +connection con1; +connection default; +connection con1; +set @show_explain_probe_select_id=1; +SET @saved_dbug = @@SESSION.debug_dbug; +SET debug_dbug='d,show_explain_probe_join_exec_start'; +select count(*) from t0 where a < 100000; +connection default; +show explain for $thr2; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t0 ALL NULL NULL NULL NULL 10 Using where +Warnings: +Note 1003 select count(*) from t0 where a < 100000 +connection con1; +count(*) +10 +SET debug_dbug= @saved_dbug; +select event_name +from +performance_schema.events_stages_history_long join +performance_schema.threads using (thread_id) +where +event_name like '%show explain' and +processlist_id=$thr1; +event_name +stage/sql/Show explain +drop table t0; |