diff options
Diffstat (limited to 'mysql-test/main/opt_trace.result')
| -rw-r--r-- | mysql-test/main/opt_trace.result | 30 |
1 files changed, 3 insertions, 27 deletions
diff --git a/mysql-test/main/opt_trace.result b/mysql-test/main/opt_trace.result index cb08c4150d8..41e2afbd43b 100644 --- a/mysql-test/main/opt_trace.result +++ b/mysql-test/main/opt_trace.result @@ -3199,14 +3199,14 @@ set optimizer_trace='enabled=on'; explain extended select * from t1 where a in (select p from t2); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 4 100.00 -1 PRIMARY t2 ALL NULL NULL NULL NULL 10 100.00 Using where; FirstMatch(t1); Using join buffer (flat, BNL join) +1 PRIMARY t2 ALL NULL NULL NULL NULL 10 10.00 Using where; FirstMatch(t1); Using join buffer (flat, BNL join) Warnings: Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join (`test`.`t2`) where `test`.`t2`.`p` = `test`.`t1`.`a` insert into t2 select seq,seq from seq_10_to_100; explain extended select * from t1 where a in (select p from t2); id select_type table type possible_keys key key_len ref rows filtered Extra 1 PRIMARY t1 ALL NULL NULL NULL NULL 4 100.00 -1 PRIMARY t2 ALL NULL NULL NULL NULL 101 100.00 Using where; FirstMatch(t1); Using join buffer (flat, BNL join) +1 PRIMARY t2 ALL NULL NULL NULL NULL 101 0.99 Using where; FirstMatch(t1); Using join buffer (flat, BNL join) Warnings: Note 1003 select `test`.`t1`.`a` AS `a`,`test`.`t1`.`b` AS `b` from `test`.`t1` semi join (`test`.`t2`) where `test`.`t2`.`p` = `test`.`t1`.`a` select * from INFORMATION_SCHEMA.OPTIMIZER_TRACE; @@ -3523,31 +3523,7 @@ explain extended select * from t1 where a in (select p from t2) { "semi_join_strategy": "FirstMatch", "join_order": [ { - "table": "t2", - "best_access_path": { - "table": "t2", - "plan_details": { - "record_count": 4 - }, - "considered_access_paths": [ - { - "access_type": "scan", - "rows": 101, - "rows_after_filter": 101, - "rows_out": 101, - "cost": 0.10333002, - "index_only": false, - "chosen": true - } - ], - "chosen_access_method": { - "type": "scan", - "rows_read": 101, - "rows_out": 101, - "cost": 0.10333002, - "uses_join_buffering": false - } - } + "table": "t2" } ] } |