EVOLUTION-MANAGER

Edit File: mrr.result

drop table if exists t1,t2,t3; # # MDEV-5976: TokuDB: Wrong query result using mrr=on # create table t1(a int); insert into t1 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); CREATE TABLE t2 ( task_id int(10) unsigned NOT NULL AUTO_INCREMENT, `type` tinyint(3) DEFAULT NULL, filler1 varchar(256), filler2 varchar(256), PRIMARY KEY (`task_id`), KEY `ymtasks_type` (`type`) ) ENGINE=TokuDB AUTO_INCREMENT=3 DEFAULT CHARSET=latin1 `COMPRESSION`=TOKUDB_LZMA; INSERT INTO t2 VALUES (1,1,'filler-data1','filler-data2'), (2,1,'filler-data1','filler-data2'); CREATE TABLE t3 ( `task_id` int(10) unsigned NOT NULL DEFAULT '0', `field` varchar(256) NOT NULL DEFAULT '', `value` varchar(4096) DEFAULT NULL, KEY `ymtasksoptions_task` (`task_id`), KEY `ymtasksoptions_field` (`field`) ) ENGINE=TokuDB DEFAULT CHARSET=latin1 `COMPRESSION`=TOKUDB_LZMA; INSERT INTO t3 select 1, concat('field-data-', A.a*10 + B.a), concat('field-data-', A.a*10 + B.a) from t1 A, t1 B where A.a*10 + B.a < 38; explain SELECT t3.task_id, t3.field FROM t3,t2 WHERE t3.task_id=t2.task_id AND t2.type NOT IN (8,11); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 index PRIMARY,ymtasks_type ymtasks_type 2 NULL 2 Using where; Using index 1 SIMPLE t3 ref ymtasksoptions_task ymtasksoptions_task 4 test.t2.task_id 1 SELECT t3.task_id, t3.field FROM t3,t2 WHERE t3.task_id=t2.task_id AND t2.type NOT IN (8,11); task_id field 1 field-data-0 1 field-data-10 1 field-data-20 1 field-data-30 1 field-data-1 1 field-data-11 1 field-data-21 1 field-data-31 1 field-data-2 1 field-data-12 1 field-data-22 1 field-data-32 1 field-data-3 1 field-data-13 1 field-data-23 1 field-data-33 1 field-data-4 1 field-data-14 1 field-data-24 1 field-data-34 1 field-data-5 1 field-data-15 1 field-data-25 1 field-data-35 1 field-data-6 1 field-data-16 1 field-data-26 1 field-data-36 1 field-data-7 1 field-data-17 1 field-data-27 1 field-data-37 1 field-data-8 1 field-data-18 1 field-data-28 1 field-data-9 1 field-data-19 1 field-data-29 set @tmp5976_jcl=@@join_cache_level; set @tmp5976_os=@@optimizer_switch; set join_cache_level= 6; set optimizer_switch='mrr=on,mrr_sort_keys=on'; explain SELECT t3.task_id, t3.field FROM t3,t2 WHERE t3.task_id=t2.task_id AND t2.type NOT IN (8,11); id select_type table type possible_keys key key_len ref rows Extra 1 SIMPLE t2 index PRIMARY,ymtasks_type ymtasks_type 2 NULL 2 Using where; Using index 1 SIMPLE t3 ref ymtasksoptions_task ymtasksoptions_task 4 test.t2.task_id 1 Using join buffer (flat, BKA join); Key-ordered Rowid-ordered scan SELECT t3.task_id, t3.field FROM t3,t2 WHERE t3.task_id=t2.task_id AND t2.type NOT IN (8,11); task_id field 1 field-data-0 1 field-data-10 1 field-data-20 1 field-data-30 1 field-data-1 1 field-data-11 1 field-data-21 1 field-data-31 1 field-data-2 1 field-data-12 1 field-data-22 1 field-data-32 1 field-data-3 1 field-data-13 1 field-data-23 1 field-data-33 1 field-data-4 1 field-data-14 1 field-data-24 1 field-data-34 1 field-data-5 1 field-data-15 1 field-data-25 1 field-data-35 1 field-data-6 1 field-data-16 1 field-data-26 1 field-data-36 1 field-data-7 1 field-data-17 1 field-data-27 1 field-data-37 1 field-data-8 1 field-data-18 1 field-data-28 1 field-data-9 1 field-data-19 1 field-data-29 drop table t1,t2,t3; set join_cache_level=@tmp5976_jcl; set optimizer_switch=@tmp5976_os;