Merge moonbone.local:/work/tmp_merge-4.1

into  moonbone.local:/work/tmp_merge-4.1-opt-mysql


sql/item_strfunc.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
This commit is contained in:
unknown 2006-08-02 16:10:52 +04:00
commit 84ece59cef
18 changed files with 326 additions and 15 deletions

View file

@ -824,6 +824,7 @@ select 1, min(a) from t1m where 1=99;
1 NULL
select 1, min(1) from t1m where a=99;
1 min(1)
1 NULL
select 1, min(1) from t1m where 1=99;
1 min(1)
1 NULL
@ -835,6 +836,7 @@ select 1, max(a) from t1m where 1=99;
1 NULL
select 1, max(1) from t1m where a=99;
1 max(1)
1 NULL
select 1, max(1) from t1m where 1=99;
1 max(1)
1 NULL

View file

@ -1036,4 +1036,32 @@ a c
abc abc abc
xyz xyz xyz
DROP TABLE t1;
CREATE TABLE t1 (s varchar(10));
INSERT INTO t1 VALUES ('yadda'), ('yaddy');
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(s) > 'ab';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
Warnings:
Note 1003 select test.t1.s AS `s` from test.t1 where (trim(test.t1.s) > _latin1'ab')
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM('y' FROM s) > 'ab';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
Warnings:
Note 1003 select test.t1.s AS `s` from test.t1 where (trim(both _latin1'y' from test.t1.s) > _latin1'ab')
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(LEADING 'y' FROM s) > 'ab';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
Warnings:
Note 1003 select test.t1.s AS `s` from test.t1 where (trim(leading _latin1'y' from test.t1.s) > _latin1'ab')
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(TRAILING 'y' FROM s) > 'ab';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
Warnings:
Note 1003 select test.t1.s AS `s` from test.t1 where (trim(trailing _latin1'y' from test.t1.s) > _latin1'ab')
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(BOTH 'y' FROM s) > 'ab';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using where
Warnings:
Note 1003 select test.t1.s AS `s` from test.t1 where (trim(both _latin1'y' from test.t1.s) > _latin1'ab')
DROP TABLE t1;
End of 4.1 tests

View file

@ -2744,3 +2744,78 @@ SELECT i='1e+01',i=1e+01, i in (1e+01), i in ('1e+01') FROM t1;
i='1e+01' i=1e+01 i in (1e+01) i in ('1e+01')
0 1 1 1
DROP TABLE t1;
CREATE TABLE t1 (a int, b int);
INSERT INTO t1 VALUES (1,1), (2,1), (4,10);
CREATE TABLE t2 (a int PRIMARY KEY, b int, KEY b (b));
INSERT INTO t2 VALUES (1,NULL), (2,10);
ALTER TABLE t1 ENABLE KEYS;
EXPLAIN SELECT STRAIGHT_JOIN SQL_NO_CACHE COUNT(*) FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index b b 5 NULL 2 Using index
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where
SELECT STRAIGHT_JOIN SQL_NO_CACHE * FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
a b a b
1 NULL 1 1
1 NULL 2 1
1 NULL 4 10
2 10 4 10
EXPLAIN SELECT STRAIGHT_JOIN SQL_NO_CACHE COUNT(*) FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 index b b 5 NULL 2 Using index
1 SIMPLE t1 ALL NULL NULL NULL NULL 3 Using where
SELECT STRAIGHT_JOIN SQL_NO_CACHE * FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
a b a b
1 NULL 1 1
1 NULL 2 1
1 NULL 4 10
2 10 4 10
DROP TABLE IF EXISTS t1,t2;
CREATE TABLE t1 (key1 float default NULL, UNIQUE KEY key1 (key1));
CREATE TABLE t2 (key2 float default NULL, UNIQUE KEY key2 (key2));
INSERT INTO t1 VALUES (0.3762),(0.3845),(0.6158),(0.7941);
INSERT INTO t2 VALUES (1.3762),(1.3845),(1.6158),(1.7941);
explain select max(key1) from t1 where key1 <= 0.6158;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
explain select max(key2) from t2 where key2 <= 1.6158;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
explain select min(key1) from t1 where key1 >= 0.3762;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
explain select min(key2) from t2 where key2 >= 1.3762;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
explain select max(key1), min(key2) from t1, t2
where key1 <= 0.6158 and key2 >= 1.3762;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
explain select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
explain select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
select max(key1) from t1 where key1 <= 0.6158;
max(key1)
0.61580002307892
select max(key2) from t2 where key2 <= 1.6158;
max(key2)
1.6158000230789
select min(key1) from t1 where key1 >= 0.3762;
min(key1)
0.37619999051094
select min(key2) from t2 where key2 >= 1.3762;
min(key2)
1.3761999607086
select max(key1), min(key2) from t1, t2
where key1 <= 0.6158 and key2 >= 1.3762;
max(key1) min(key2)
0.61580002307892 1.3761999607086
select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
max(key1)
0.61580002307892
select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
min(key1)
0.37619999051094
DROP TABLE t1,t2;

View file

@ -539,7 +539,7 @@ EXPLAIN EXTENDED SELECT MAX(numreponse) FROM t1 WHERE numeropost='1';
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL Select tables optimized away
Warnings:
Note 1003 select max(test.t1.numreponse) AS `MAX(numreponse)` from test.t1 where (test.t1.numeropost = _latin1'1')
Note 1003 select max(test.t1.numreponse) AS `MAX(numreponse)` from test.t1
EXPLAIN EXTENDED SELECT numreponse FROM t1 WHERE numeropost='1' AND numreponse=(SELECT MAX(numreponse) FROM t1 WHERE numeropost='1');
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 const PRIMARY,numreponse PRIMARY 7 const,const 1 Using index
@ -2868,3 +2868,30 @@ select 1 from dual where 1 < any (select 2 from dual);
select 1 from dual where 1 < all (select 2 from dual where 1!=1);
1
1
create table t1 (s1 char);
insert into t1 values (1),(2);
select * from t1 where (s1 < any (select s1 from t1));
s1
1
select * from t1 where not (s1 < any (select s1 from t1));
s1
2
select * from t1 where (s1 < ALL (select s1+1 from t1));
s1
1
select * from t1 where not(s1 < ALL (select s1+1 from t1));
s1
2
select * from t1 where (s1+1 = ANY (select s1 from t1));
s1
1
select * from t1 where NOT(s1+1 = ANY (select s1 from t1));
s1
2
select * from t1 where (s1 = ALL (select s1/s1 from t1));
s1
1
select * from t1 where NOT(s1 = ALL (select s1/s1 from t1));
s1
2
drop table t1;

View file

@ -130,3 +130,15 @@ id select_type table type possible_keys key key_len ref rows Extra
5 DEPENDENT SUBQUERY t3 unique_subquery PRIMARY,FFOLDERID_IDX PRIMARY 32 func 1 Using index; Using where
6 DEPENDENT SUBQUERY t3 unique_subquery PRIMARY,FFOLDERID_IDX,CMFLDRPARNT_IDX PRIMARY 32 func 1 Using index; Using where
drop table t1, t2, t3, t4;
CREATE TABLE t1 (a int(10) , PRIMARY KEY (a)) Engine=InnoDB;
INSERT INTO t1 VALUES (1),(2);
CREATE TABLE t2 (a int(10), PRIMARY KEY (a)) Engine=InnoDB;
INSERT INTO t2 VALUES (1);
CREATE TABLE t3 (a int(10), b int(10), c int(10),
PRIMARY KEY (a)) Engine=InnoDB;
INSERT INTO t3 VALUES (1,2,1);
SELECT t1.* FROM t1 WHERE (SELECT COUNT(*) FROM t3,t2 WHERE t3.c=t2.a
and t2.a='1' AND t1.a=t3.b) > 0;
a
2
DROP TABLE t1,t2,t3;