Commit cb538e45 authored by serg@serg.mylan's avatar serg@serg.mylan

post-merge fix

parent 96729c62
...@@ -2353,38 +2353,22 @@ select * from t2,t3 where t2.s = t3.s; ...@@ -2353,38 +2353,22 @@ select * from t2,t3 where t2.s = t3.s;
s s s s
two two two two
drop table t1, t2, t3; drop table t1, t2, t3;
CREATE TABLE t1 (
i int(11) NOT NULL default '0',
c char(10) NOT NULL default '',
PRIMARY KEY (i),
UNIQUE KEY c (c)
) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1,'a');
INSERT INTO t1 VALUES (2,'b');
INSERT INTO t1 VALUES (3,'c');
EXPLAIN SELECT i FROM t1 WHERE i=1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1 Using index
EXPLAIN SELECT i FROM t1 WHERE i=1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1 Using index
DROP TABLE t1;
create table t1 (a integer, b integer, index(a), index(b)); create table t1 (a integer, b integer, index(a), index(b));
create table t2 (c integer, d integer, index(c), index(d)); create table t2 (c integer, d integer, index(c), index(d));
insert into t1 values (1,2), (2,2), (3,2), (4,2); insert into t1 values (1,2), (2,2), (3,2), (4,2);
insert into t2 values (1,3), (2,3), (3,4), (4,4); insert into t2 values (1,3), (2,3), (3,4), (4,4);
explain select * from t1 left join t2 on a=c where d in (4); explain select * from t1 left join t2 on a=c where d in (4);
table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
t2 ref c,d d 5 const 2 Using where 1 SIMPLE t2 ref c,d d 5 const 2 Using where
t1 ALL a NULL NULL NULL 3 Using where 1 SIMPLE t1 ALL a NULL NULL NULL 3 Using where
select * from t1 left join t2 on a=c where d in (4); select * from t1 left join t2 on a=c where d in (4);
a b c d a b c d
3 2 3 4 3 2 3 4
4 2 4 4 4 2 4 4
explain select * from t1 left join t2 on a=c where d = 4; explain select * from t1 left join t2 on a=c where d = 4;
table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
t2 ref c,d d 5 const 2 Using where 1 SIMPLE t2 ref c,d d 5 const 2 Using where
t1 ALL a NULL NULL NULL 3 Using where 1 SIMPLE t1 ALL a NULL NULL NULL 3 Using where
select * from t1 left join t2 on a=c where d = 4; select * from t1 left join t2 on a=c where d = 4;
a b c d a b c d
3 2 3 4 3 2 3 4
...@@ -2395,15 +2379,11 @@ i int(11) NOT NULL default '0', ...@@ -2395,15 +2379,11 @@ i int(11) NOT NULL default '0',
c char(10) NOT NULL default '', c char(10) NOT NULL default '',
PRIMARY KEY (i), PRIMARY KEY (i),
UNIQUE KEY c (c) UNIQUE KEY c (c)
) TYPE=MyISAM; ) ENGINE=MyISAM;
INSERT INTO t1 VALUES (1,'a'); INSERT INTO t1 VALUES (1,'a');
INSERT INTO t1 VALUES (2,'b'); INSERT INTO t1 VALUES (2,'b');
INSERT INTO t1 VALUES (3,'c'); INSERT INTO t1 VALUES (3,'c');
EXPLAIN SELECT i FROM t1 WHERE i=1; EXPLAIN SELECT i FROM t1 WHERE i=1;
table type possible_keys key key_len ref rows Extra id select_type table type possible_keys key key_len ref rows Extra
t1 const PRIMARY PRIMARY 4 const 1 Using index 1 SIMPLE t1 const PRIMARY PRIMARY 4 const 1 Using index
EXPLAIN SELECT i FROM t1 WHERE i=1;
table type possible_keys key key_len ref rows Extra
t1 const PRIMARY PRIMARY 4 const 1 Using index
>>>>>>>
DROP TABLE t1; DROP TABLE t1;
...@@ -1929,6 +1929,4 @@ INSERT INTO t1 VALUES (3,'c'); ...@@ -1929,6 +1929,4 @@ INSERT INTO t1 VALUES (3,'c');
EXPLAIN SELECT i FROM t1 WHERE i=1; EXPLAIN SELECT i FROM t1 WHERE i=1;
EXPLAIN SELECT i FROM t1 WHERE i=1;
DROP TABLE t1; DROP TABLE t1;
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