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Diffstat (limited to 'mysql-test/main/order_by_innodb.result')
| -rw-r--r-- | mysql-test/main/order_by_innodb.result | 296 |
1 files changed, 296 insertions, 0 deletions
diff --git a/mysql-test/main/order_by_innodb.result b/mysql-test/main/order_by_innodb.result new file mode 100644 index 00000000..e0d8143b --- /dev/null +++ b/mysql-test/main/order_by_innodb.result @@ -0,0 +1,296 @@ +# +# MDEV-6434: Wrong result (extra rows) with ORDER BY, multiple-column index, InnoDB +# +CREATE TABLE t1 (a INT, b INT, c INT, d TEXT, KEY idx(a,b,c)) ENGINE=InnoDB +STATS_PERSISTENT=0; +INSERT INTO t1 (a,c) VALUES +(8, 9),(8, 10),(13, 15),(16, 17),(16, 18),(16, 19),(20, 21), +(20, 22),(20, 24),(20, 25),(20, 26),(20, 27),(20, 28); +SELECT * FROM t1 WHERE a = 8 AND (b = 1 OR b IS NULL) ORDER BY c; +a b c d +8 NULL 9 NULL +8 NULL 10 NULL +DROP TABLE t1; +# +# MDEV-9457: Poor query plan chosen for ORDER BY query by a recent 10.1 +# +create table t1 ( +pk int primary key, +key1 int, +key2 int, +col1 char(255), +key(key1), +key(key2) +) engine=innodb stats_persistent=0; +insert into t1 +select seq,seq,seq,repeat('abcd', 63) from seq_0_to_9999; +# The following must NOT use 'index' on PK. +# It should use index_merge(key1,key2) + filesort +explain +select * +from t1 +where key1<3 or key2<3 +order by pk; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2 key1,key2 5,5 NULL # Using sort_union(key1,key2); Using where; Using filesort +explain +select * +from t1 +where key1<3 or key2<3; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index_merge key1,key2 key1,key2 5,5 NULL # Using sort_union(key1,key2); Using where +drop table t1; +# +# MDEV-18094: Query with order by limit picking index scan over filesort +# +create table t0 (a int); +INSERT INTO t0 VALUES (0),(0),(0),(0),(2),(0),(0),(1),(1),(0); +CREATE TABLE t1 ( +a int(11), +b int(11), +c int(11), +KEY a_c (a,c), +KEY a_b (a,b) +) ENGINE=InnoDB; +insert into t1 select A.a , B.a, C.a from t0 A, t0 B, t0 C; +# should use ref access +explain select a,b,c from t1 where a=1 and c=2 order by b; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ref a_c,a_b a_c 10 const,const 20 Using where; Using filesort +# both should use range access +explain select a,b,c from t1 where a=1 and c=2 order by b limit 1000; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range a_c,a_b a_b 5 NULL 200 Using where +explain select a,b,c from t1 where a=1 and c=2 order by b limit 2000; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 range a_c,a_b a_b 5 NULL 200 Using where +drop table t1,t0; +# Start of 10.2 tests +# +# MDEV-14071: wrong results with orderby_uses_equalities=on +# (duplicate of MDEV-13994) +# +CREATE TABLE t1 (i int, j int, z int,PRIMARY KEY (i,j), KEY (z)) ENGINE=InnoDB +STATS_PERSISTENT=0; +CREATE TABLE t2 (i int, j int, PRIMARY KEY (i,j)) ENGINE=InnoDB +STATS_PERSISTENT=0; +CREATE TABLE t3 (j int, n varchar(5), PRIMARY KEY (j)) ENGINE=InnoDB +STATS_PERSISTENT=0; +INSERT INTO t1 VALUES +(127,0,1),(188,0,1),(206,0,1),(218,0,1),(292,0,1),(338,0,1),(375,0,1), +(381,0,1),(409,0,1),(466,0,1),(469,0,1),(498,0,1),(656,0,1); +INSERT INTO t1 VALUES +(77,4,0),(86,7,0),(96,6,0),(96,7,0),(99,9,0),(99,10,0),(99,11,0),(104,4,0), +(106,5,0),(148,6,0),(177,6,0),(181,5,0),(188,8,0),(218,8,0),(253,7,0), +(268,4,0),(338,4,0),(409,7,0),(466,8,0),(469,8,0),(498,8,0),(656,8,0); +INSERT INTO t2 VALUES +(127,7),(188,8),(188,9),(206,6),(218,8),(218,9),(292,7),(338,4),(338,5), +(375,6),(381,5),(409,7),(409,8),(466,8),(466,9),(469,8),(469,9),(498,8), +(498,9),(656,8),(656,9); +INSERT INTO t3 VALUES +(4,'four'),(5,'five'),(6,'six'),(7,'seven'),(8,'eight'),(9,'nine'); +SET @save_optimizer_switch=@@optimizer_switch; +SET optimizer_switch='orderby_uses_equalities=off'; +SELECT i,n +FROM t1 INNER JOIN t2 USING (i,j) LEFT JOIN t3 USING (j) +WHERE i IN (SELECT i FROM t1 WHERE z=1) AND z=0 ORDER BY i; +i n +188 eight +218 eight +338 four +409 seven +466 eight +469 eight +498 eight +656 eight +SELECT i,n +FROM t1 x INNER JOIN t2 USING (i,j) LEFT JOIN t3 USING (j) +WHERE EXISTS (SELECT * FROM t1 WHERE i=x.i AND z=1) AND z=0 ORDER BY i; +i n +188 eight +218 eight +338 four +409 seven +466 eight +469 eight +498 eight +656 eight +SET optimizer_switch='orderby_uses_equalities=on'; +SELECT i,n +FROM t1 INNER JOIN t2 USING (i,j) LEFT JOIN t3 USING (j) +WHERE i IN (SELECT i FROM t1 WHERE z=1) AND z=0 ORDER BY i; +i n +188 eight +218 eight +338 four +409 seven +466 eight +469 eight +498 eight +656 eight +SELECT i,n +FROM t1 x INNER JOIN t2 USING (i,j) LEFT JOIN t3 USING (j) +WHERE EXISTS (SELECT * FROM t1 WHERE i=x.i AND z=1) AND z=0 ORDER BY i; +i n +188 eight +218 eight +338 four +409 seven +466 eight +469 eight +498 eight +656 eight +set optimizer_switch= @save_optimizer_switch; +DROP TABLE t1,t2,t3; +# +# MDEV-25858: Query results are incorrect when indexes are added +# +CREATE TABLE t1 (id int NOT NULL PRIMARY KEY) engine=innodb +STATS_PERSISTENT=0; +insert into t1 values (1),(2),(3); +CREATE TABLE t2 ( +id int NOT NULL PRIMARY KEY, +id2 int NOT NULL, +d1 datetime, +d2 timestamp NOT NULL, +KEY id2 (id2) +) engine=innodb stats_persistent=0; +insert into t2 values +(1,2,'2019-03-05 00:00:00','2019-03-06 00:00:00'), +(2,3,'2019-03-05 00:00:00','2019-03-06 00:00:00'), +(3,3,'2019-03-06 00:00:00','2019-03-05 00:00:00'); +analyze table t1,t2 persistent for all; +Table Op Msg_type Msg_text +test.t1 analyze status Engine-independent statistics collected +test.t1 analyze status OK +test.t2 analyze status Engine-independent statistics collected +test.t2 analyze status OK +select +t1.id,t2.id +from +t1 left join +t2 on t2.id2 = t1.id and +t2.id = (select dd.id +from t2 dd +where +dd.id2 = t1.id and +d1 > '2019-02-06 00:00:00' + order by +dd.d1 desc, dd.d2 desc, dd.id desc limit 1 +); +id id +1 NULL +2 1 +3 3 +create index for_latest_sort on t2 (d1, d2, id); +analyze table t2 persistent for all; +Table Op Msg_type Msg_text +test.t2 analyze status Engine-independent statistics collected +test.t2 analyze status OK +select +t1.id,t2.id +from +t1 left join +t2 on t2.id2 = t1.id and +t2.id = (select dd.id +from t2 dd +where +dd.id2 = t1.id and +d1 > '2019-02-06 00:00:00' + order by +dd.d1 desc, dd.d2 desc, dd.id desc limit 1 +); +id id +1 NULL +2 1 +3 3 +# Now, same as above but use a DESC index +CREATE TABLE t3 ( +id int NOT NULL PRIMARY KEY, +id2 int NOT NULL, +d1 datetime, +d2 timestamp NOT NULL, +KEY id2 (id2) +) engine=innodb; +insert into t3 values +(1,2,'2019-03-05 00:00:00','2019-03-06 00:00:00'), +(2,3,'2019-03-05 00:00:00','2019-03-06 00:00:00'), +(3,3,'2019-03-06 00:00:00','2019-03-05 00:00:00'); +create index for_latest_sort on t3 (d1 desc, d2 desc, id desc); +select +t1.id,t3.id +from +t1 left join +t3 on t3.id2 = t1.id and +t3.id = (select dd.id +from t3 dd +where +dd.id2 = t1.id and +d1 > '2019-02-06 00:00:00' + order by +dd.d1 desc, dd.d2 desc, dd.id desc limit 1 +); +id id +1 NULL +2 1 +3 3 +# +# MDEV-27270: Wrong query plan with Range Checked for Each Record and ORDER BY ... LIMIT +# +# This must NOT have "Range checked for each record" without any +# provisions to produce rows in the required ordering: +explain +select +t1.id,t2.id +from +t1 left join +t2 on t2.id2 = t1.id and +t2.id = (select dd.id +from t2 dd +where +dd.id2 = t1.id and +d1 > '2019-02-06 00:00:00' + order by +dd.d1, dd.d2, dd.id limit 1 +); +id select_type table type possible_keys key key_len ref rows Extra +1 PRIMARY t1 index NULL PRIMARY 4 NULL # Using index +1 PRIMARY t2 eq_ref PRIMARY,id2 PRIMARY 4 func # Using where +2 DEPENDENT SUBQUERY dd range id2,for_latest_sort for_latest_sort 6 NULL # Using where +drop table t1,t2,t3; +# End of 10.2 tests +# +# MDEV-26938 Support descending indexes internally in InnoDB +# +create table t1 (a int, b int, c int, key r (a desc, b asc)); +insert t1 select seq % 10, seq div 10, seq from seq_1_to_55; +insert t1 values (NULL, NULL, NULL), (9, NULL, NULL); +explain select * from t1 force index(r) order by a,b limit 20; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 ALL NULL NULL NULL NULL 57 Using filesort +explain select * from t1 force index(r) order by a desc,b limit 20; +id select_type table type possible_keys key key_len ref rows Extra +1 SIMPLE t1 index NULL r 10 NULL 20 +select * from t1 force index(r) order by a desc,b limit 20; +a b c +9 NULL NULL +9 0 9 +9 1 19 +9 2 29 +9 3 39 +9 4 49 +8 0 8 +8 1 18 +8 2 28 +8 3 38 +8 4 48 +7 0 7 +7 1 17 +7 2 27 +7 3 37 +7 4 47 +6 0 6 +6 1 16 +6 2 26 +6 3 36 +drop table t1; |