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Diffstat (limited to 'mysql-test/main/order_by_innodb.test')
-rw-r--r-- | mysql-test/main/order_by_innodb.test | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/mysql-test/main/order_by_innodb.test b/mysql-test/main/order_by_innodb.test new file mode 100644 index 00000000000..0debb777749 --- /dev/null +++ b/mysql-test/main/order_by_innodb.test @@ -0,0 +1,110 @@ +# +# ORDER BY handling (e.g. filesort) tests that require innodb +# +-- source include/have_innodb.inc + +--disable_warnings +drop table if exists t0,t1,t2,t3; +--enable_warnings + +--echo # +--echo # MDEV-6434: Wrong result (extra rows) with ORDER BY, multiple-column index, InnoDB +--echo # + +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; + +DROP TABLE t1; + +--echo # +--echo # MDEV-9457: Poor query plan chosen for ORDER BY query by a recent 10.1 +--echo # +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; + +--echo # The following must NOT use 'index' on PK. +--echo # It should use index_merge(key1,key2) + filesort +--replace_column 9 # +explain +select * +from t1 +where key1<3 or key2<3 +order by pk; + +--replace_column 9 # +explain +select * +from t1 +where key1<3 or key2<3; + +drop table t0, t1; + +--echo # +--echo # MDEV-14071: wrong results with orderby_uses_equalities=on +--echo # (duplicate of MDEV-13994) +--echo # + +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'); + +let $q1= +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; +let $q2= +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; + +SET @save_optimizer_switch=@@optimizer_switch; + +SET optimizer_switch='orderby_uses_equalities=off'; +eval $q1; +eval $q2; + +SET optimizer_switch='orderby_uses_equalities=on'; +eval $q1; +eval $q2; + +set optimizer_switch= @save_optimizer_switch; + +DROP TABLE t1,t2,t3; |