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author | Michael Widenius <monty@mariadb.org> | 2018-03-09 14:05:35 +0200 |
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committer | Monty <monty@mariadb.org> | 2018-03-29 13:59:44 +0300 |
commit | a7abddeffa6a760ce948c2dfb007cdf3f1a369d5 (patch) | |
tree | 70eb743fa965a17380bbc0ac88ae79ca1075b896 /mysql-test/main/order_by_innodb.result | |
parent | ab1941266c59a19703a74b5593cf3f508a5752d7 (diff) | |
download | mariadb-git-a7abddeffa6a760ce948c2dfb007cdf3f1a369d5.tar.gz |
Create 'main' test directory and move 't' and 'r' there
Diffstat (limited to 'mysql-test/main/order_by_innodb.result')
-rw-r--r-- | mysql-test/main/order_by_innodb.result | 123 |
1 files changed, 123 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 00000000000..3ff1f92e94a --- /dev/null +++ b/mysql-test/main/order_by_innodb.result @@ -0,0 +1,123 @@ +drop table if exists t0,t1,t2,t3; +# +# 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; +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 t0 (a int); +insert into t0 values (0),(1),(2),(3),(4),(5),(6),(7),(8),(9); +create table t1 ( +pk int primary key, +key1 int, +key2 int, +col1 char(255), +key(key1), +key(key2) +) engine=innodb; +set @a=-1; +insert into t1 +select +@a:=@a+1, +@a, +@a, +repeat('abcd', 63) +from t0 A, t0 B, t0 C, t0 D; +# 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 t0, t1; +# +# 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; +CREATE TABLE t2 (i int, j int, PRIMARY KEY (i,j)) ENGINE=InnoDB; +CREATE TABLE t3 (j int, n varchar(5), PRIMARY KEY (j)) ENGINE=InnoDB; +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; |