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Merge epotemkin@bk-internal.mysql.com:/home/bk/mysql-5.0

Browse source 
into  moonbone.local:/work/tmp_merge-5.0-opt-mysql


client/mysql.cc:
  Auto merged
mysql-test/r/date_formats.result:
  Auto merged
mysql-test/r/func_str.result:
  Auto merged
mysql-test/t/date_formats.test:
  Auto merged
mysql-test/t/func_str.test:
  Auto merged
mysql-test/t/udf.test:
  Auto merged
sql/field.cc:
  Auto merged
sql/field.h:
  Auto merged
sql/item_strfunc.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_class.cc:
  Auto merged
sql/sql_parse.cc:
  Auto merged
sql/sql_select.cc:
  Auto merged
sql/time.cc:
  Auto merged
mysql-test/r/sp.result:
  Manual merge
mysql-test/t/sp.test:
  Manual merge
This commit is contained in:
unknown 2006-08-02 16:44:56 +04:00
commit c102fe94ad
47 changed files with 955 additions and 65 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
mysql-test/r/create.result
View file

@ -452,7 +452,7 @@ t2 CREATE TABLE `t2` (
`ifnull(h,h)` decimal(5,4) default NULL,
`ifnull(i,i)` year(4) default NULL,
`ifnull(j,j)` date default NULL,
`ifnull(k,k)` datetime NOT NULL default '0000-00-00 00:00:00',
`ifnull(k,k)` timestamp NOT NULL default '0000-00-00 00:00:00',
`ifnull(l,l)` datetime default NULL,
`ifnull(m,m)` varchar(1) default NULL,
`ifnull(n,n)` varchar(3) default NULL,

13
mysql-test/r/func_gconcat.result
View file

@ -641,3 +641,16 @@ select charset(group_concat(c1 order by c2)) from t1;
charset(group_concat(c1 order by c2))
latin1
drop table t1;
CREATE TABLE t1 (a INT(10), b LONGTEXT, PRIMARY KEY (a));
SET GROUP_CONCAT_MAX_LEN = 20000000;
INSERT INTO t1 VALUES (1,REPEAT(CONCAT('A',CAST(CHAR(0) AS BINARY),'B'), 40000));
INSERT INTO t1 SELECT a + 1, b FROM t1;
SELECT a, CHAR_LENGTH(b) FROM t1;
a CHAR_LENGTH(b)
1 120000
2 120000
SELECT CHAR_LENGTH( GROUP_CONCAT(b) ) FROM t1;
CHAR_LENGTH( GROUP_CONCAT(b) )
240001
SET GROUP_CONCAT_MAX_LEN = 1024;
DROP TABLE t1;

11
mysql-test/r/func_group.result
View file

@ -988,3 +988,14 @@ SUM(a)
6
DROP TABLE t1;
set div_precision_increment= @sav_dpi;
CREATE TABLE t1 (a INT PRIMARY KEY, b INT);
INSERT INTO t1 VALUES (1,1), (2,2);
CREATE TABLE t2 (a INT PRIMARY KEY, b INT);
INSERT INTO t2 VALUES (1,1), (3,3);
SELECT SQL_NO_CACHE
(SELECT SUM(c.a) FROM t1 ttt, t2 ccc
WHERE ttt.a = ccc.b AND ttt.a = t.a GROUP BY ttt.a) AS minid
FROM t1 t, t2 c WHERE t.a = c.b;
minid
NULL
DROP TABLE t1,t2;

28
mysql-test/r/func_str.result
View file

@ -1056,6 +1056,34 @@ 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
create table t1 (d decimal default null);
insert into t1 values (null);

25
mysql-test/r/group_by.result
View file

@ -796,3 +796,28 @@ aaa
show warnings;
Level Code Message
drop table t1, t2;
CREATE TABLE t1 (a tinyint(3), b varchar(255), PRIMARY KEY (a));
INSERT INTO t1 VALUES (1,'-----'), (6,'Allemagne'), (17,'Autriche'),
(25,'Belgique'), (54,'Danemark'), (62,'Espagne'), (68,'France');
CREATE TABLE t2 (a tinyint(3), b tinyint(3), PRIMARY KEY (a), KEY b (b));
INSERT INTO t2 VALUES (1,1), (2,1), (6,6), (18,17), (15,25), (16,25),
(17,25), (10,54), (5,62),(3,68);
CREATE VIEW v1 AS select t1.a, concat(t1.b,'') AS b, t1.b as real_b from t1;
explain
SELECT straight_join sql_no_cache v1.a, v1.b, v1.real_b from t2, v1
where t2.b=v1.a GROUP BY t2.b;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t2 index b b 2 NULL 10 Using index
1 PRIMARY t1 eq_ref PRIMARY PRIMARY 1 test.t2.b 1
SELECT straight_join sql_no_cache v1.a, v1.b, v1.real_b from t2, v1
where t2.b=v1.a GROUP BY t2.b;
a b real_b
1 ----- -----
6 Allemagne Allemagne
17 Autriche Autriche
25 Belgique Belgique
54 Danemark Danemark
62 Espagne Espagne
68 France France
DROP VIEW v1;
DROP TABLE t1,t2;

43
mysql-test/r/group_min_max.result
View file

@ -2099,3 +2099,46 @@ SOUTH EAST SOUTH EAST
SOUTH WEST SOUTH WEST
WESTERN WESTERN
DROP TABLE t1;
CREATE TABLE t1 (id1 INT, id2 INT);
CREATE TABLE t2 (id2 INT, id3 INT, id5 INT);
CREATE TABLE t3 (id3 INT, id4 INT);
CREATE TABLE t4 (id4 INT);
CREATE TABLE t5 (id5 INT, id6 INT);
CREATE TABLE t6 (id6 INT);
INSERT INTO t1 VALUES(1,1);
INSERT INTO t2 VALUES(1,1,1);
INSERT INTO t3 VALUES(1,1);
INSERT INTO t4 VALUES(1);
INSERT INTO t5 VALUES(1,1);
INSERT INTO t6 VALUES(1);
SELECT * FROM
t1
NATURAL JOIN
(t2 JOIN (t3 NATURAL JOIN t4, t5 NATURAL JOIN t6)
ON (t3.id3 = t2.id3 AND t5.id5 = t2.id5));
id2 id1 id3 id5 id4 id3 id6 id5
1 1 1 1 1 1 1 1
SELECT * FROM
t1
NATURAL JOIN
(((t3 NATURAL JOIN t4) join (t5 NATURAL JOIN t6) on t3.id4 = t5.id5) JOIN t2
ON (t3.id3 = t2.id3 AND t5.id5 = t2.id5));
id2 id1 id4 id3 id6 id5 id3 id5
1 1 1 1 1 1 1 1
SELECT * FROM t1 NATURAL JOIN ((t3 join (t5 NATURAL JOIN t6)) JOIN t2);
id2 id1 id3 id4 id6 id5 id3 id5
1 1 1 1 1 1 1 1
SELECT * FROM
(t2 JOIN (t3 NATURAL JOIN t4, t5 NATURAL JOIN t6)
ON (t3.id3 = t2.id3 AND t5.id5 = t2.id5))
NATURAL JOIN
t1;
id2 id3 id5 id4 id3 id6 id5 id1
1 1 1 1 1 1 1 1
SELECT * FROM
(t2 JOIN ((t3 NATURAL JOIN t4) join (t5 NATURAL JOIN t6)))
NATURAL JOIN
t1;
id2 id3 id5 id4 id3 id6 id5 id1
1 1 1 1 1 1 1 1
DROP TABLE t1,t2,t3,t4,t5,t6;

70
mysql-test/r/information_schema.result
View file

@ -1170,3 +1170,73 @@ f1()
DROP FUNCTION f1;
DROP PROCEDURE p1;
DROP USER mysql_bug20230@localhost;
SELECT t.table_name, c1.column_name
FROM information_schema.tables t
INNER JOIN
information_schema.columns c1
ON t.table_schema = c1.table_schema AND
t.table_name = c1.table_name
WHERE t.table_schema = 'information_schema' AND
c1.ordinal_position =
( SELECT COALESCE(MIN(c2.ordinal_position),1)
FROM information_schema.columns c2
WHERE c2.table_schema = t.table_schema AND
c2.table_name = t.table_name AND
c2.column_name LIKE '%SCHEMA%'
);
table_name column_name
CHARACTER_SETS CHARACTER_SET_NAME
COLLATIONS COLLATION_NAME
COLLATION_CHARACTER_SET_APPLICABILITY COLLATION_NAME
COLUMNS TABLE_SCHEMA
COLUMN_PRIVILEGES TABLE_SCHEMA
KEY_COLUMN_USAGE CONSTRAINT_SCHEMA
ROUTINES ROUTINE_SCHEMA
SCHEMATA SCHEMA_NAME
SCHEMA_PRIVILEGES TABLE_SCHEMA
STATISTICS TABLE_SCHEMA
TABLES TABLE_SCHEMA
TABLE_CONSTRAINTS CONSTRAINT_SCHEMA
TABLE_PRIVILEGES TABLE_SCHEMA
TRIGGERS TRIGGER_SCHEMA
USER_PRIVILEGES GRANTEE
VIEWS TABLE_SCHEMA
SELECT t.table_name, c1.column_name
FROM information_schema.tables t
INNER JOIN
information_schema.columns c1
ON t.table_schema = c1.table_schema AND
t.table_name = c1.table_name
WHERE t.table_schema = 'information_schema' AND
c1.ordinal_position =
( SELECT COALESCE(MIN(c2.ordinal_position),1)
FROM information_schema.columns c2
WHERE c2.table_schema = 'information_schema' AND
c2.table_name = t.table_name AND
c2.column_name LIKE '%SCHEMA%'
);
table_name column_name
CHARACTER_SETS CHARACTER_SET_NAME
COLLATIONS COLLATION_NAME
COLLATION_CHARACTER_SET_APPLICABILITY COLLATION_NAME
COLUMNS TABLE_SCHEMA
COLUMN_PRIVILEGES TABLE_SCHEMA
KEY_COLUMN_USAGE CONSTRAINT_SCHEMA
ROUTINES ROUTINE_SCHEMA
SCHEMATA SCHEMA_NAME
SCHEMA_PRIVILEGES TABLE_SCHEMA
STATISTICS TABLE_SCHEMA
TABLES TABLE_SCHEMA
TABLE_CONSTRAINTS CONSTRAINT_SCHEMA
TABLE_PRIVILEGES TABLE_SCHEMA
TRIGGERS TRIGGER_SCHEMA
USER_PRIVILEGES GRANTEE
VIEWS TABLE_SCHEMA
SELECT MAX(table_name) FROM information_schema.tables;
MAX(table_name)
VIEWS
SELECT table_name from information_schema.tables
WHERE table_name=(SELECT MAX(table_name)
FROM information_schema.tables);
table_name
VIEWS

4
mysql-test/r/innodb.result
View file

@ -1473,8 +1473,8 @@ Error 1146 Table 'test.t4' doesn't exist
drop table t1,t2,t3;
create table t1 (id int, name char(10) not null, name2 char(10) not null) engine=innodb;
insert into t1 values(1,'first','fff'),(2,'second','sss'),(3,'third','ttt');
select name2 from t1 union all select name from t1 union all select id from t1;
name2
select trim(name2) from t1 union all select trim(name) from t1 union all select trim(id) from t1;
trim(name2)
fff
sss
ttt

75
mysql-test/r/select.result
View file

@ -2736,6 +2736,81 @@ SELECT i='1e+01',i=1e+01, i in (1e+01,1e+01), i in ('1e+01','1e+01') FROM t1;
i='1e+01' i=1e+01 i in (1e+01,1e+01) i in ('1e+01','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;
CREATE TABLE t1 (
K2C4 varchar(4) character set latin1 collate latin1_bin NOT NULL default '',
K4N4 varchar(4) character set latin1 collate latin1_bin NOT NULL default '0000',

19
mysql-test/r/sp.result
View file

@ -5057,6 +5057,25 @@ concat('data was: /', var1, '/')
data was: /1/
drop table t3|
drop procedure bug15217|
drop procedure if exists bug19862|
CREATE TABLE t11 (a INT)|
CREATE TABLE t12 (a INT)|
CREATE FUNCTION bug19862(x INT) RETURNS INT
BEGIN
INSERT INTO t11 VALUES (x);
RETURN x+1;
END|
INSERT INTO t12 VALUES (1), (2)|
SELECT bug19862(a) FROM t12 ORDER BY 1|
bug19862(a)
2
3
SELECT * FROM t11|
a
1
2
DROP TABLE t11, t12|
DROP FUNCTION bug19862|
drop table if exists t3|
drop database if exists mysqltest1|
create table t3 (a int)|

27
mysql-test/r/subselect.result
View file

@ -2888,6 +2888,33 @@ 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;
create table t1 (df decimal(5,1));
insert into t1 values(1.1);
insert into t1 values(2.2);

12
mysql-test/r/subselect2.result
View file

@ -132,3 +132,15 @@ id select_type table type possible_keys key key_len ref rows Extra
5 DEPENDENT SUBQUERY t3 unique_subquery PRIMARY,FFOLDERID_IDX PRIMARY 34 func 1 Using index; Using where
6 DEPENDENT SUBQUERY t3 unique_subquery PRIMARY,FFOLDERID_IDX,CMFLDRPARNT_IDX PRIMARY 34 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;

6
mysql-test/r/udf.result
View file

@ -93,6 +93,12 @@ NULL
0R
FR
DROP TABLE bug19904;
create table t1(f1 int);
insert into t1 values(1),(2);
explain select myfunc_int(f1) from t1 order by 1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ALL NULL NULL NULL NULL 2 Using temporary; Using filesort
drop table t1;
End of 5.0 tests.
DROP FUNCTION metaphon;
DROP FUNCTION myfunc_double;

31
mysql-test/r/union.result
View file

@ -691,9 +691,9 @@ t1 CREATE TABLE `t1` (
`da` datetime default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 SELECT dt from t2 UNION select sc from t2;
select * from t1;
dt
create table t1 SELECT dt from t2 UNION select trim(sc) from t2;
select trim(dt) from t1;
trim(dt)
1972-10-22 11:50:00
testc
show create table t1;
@ -732,7 +732,7 @@ tetetetetest
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`dt` longblob
`dt` blob
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 SELECT sv from t2 UNION select b from t2;
@ -743,7 +743,7 @@ tetetetetest
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`sv` longblob
`sv` blob
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 SELECT i from t2 UNION select d from t2 UNION select b from t2;
@ -755,7 +755,7 @@ tetetetetest
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` longblob
`i` blob
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 SELECT sv from t2 UNION select tx from t2;
@ -766,7 +766,7 @@ teeeeeeeeeeeest
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`sv` longtext
`sv` text
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 SELECT b from t2 UNION select tx from t2;
@ -777,7 +777,7 @@ teeeeeeeeeeeest
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`b` longblob
`b` blob
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1,t2;
create table t1 select 1 union select -1;
@ -1306,6 +1306,21 @@ id
5
99
drop table t1;
create table t1(f1 char(1), f2 char(5), f3 binary(1), f4 binary(5), f5 timestamp, f6 varchar(1) character set utf8 collate utf8_general_ci, f7 text);
create table t2 as select *, f6 as f8 from t1 union select *, f7 from t1;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`f1` char(1) default NULL,
`f2` char(5) default NULL,
`f3` binary(1) default NULL,
`f4` binary(5) default NULL,
`f5` timestamp NOT NULL default '0000-00-00 00:00:00',
`f6` varchar(1) character set utf8 default NULL,
`f7` text,
`f8` text character set utf8
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1, t2;
(select avg(1)) union (select avg(1)) union (select avg(1)) union
(select avg(1)) union (select avg(1)) union (select avg(1)) union
(select avg(1)) union (select avg(1)) union (select avg(1)) union

46
mysql-test/r/view.result
View file

@ -2774,3 +2774,49 @@ Field Type Null Key Default Extra
COALESCE(i,j) int(11) YES NULL
DROP VIEW v1;
DROP TABLE t1,t2;
CREATE TABLE t1 (s varchar(10));
INSERT INTO t1 VALUES ('yadda'), ('yady');
SELECT TRIM(BOTH 'y' FROM s) FROM t1;
TRIM(BOTH 'y' FROM s)
adda
ad
CREATE VIEW v1 AS SELECT TRIM(BOTH 'y' FROM s) FROM t1;
SELECT * FROM v1;
TRIM(BOTH 'y' FROM s)
adda
ad
DROP VIEW v1;
SELECT TRIM(LEADING 'y' FROM s) FROM t1;
TRIM(LEADING 'y' FROM s)
adda
ady
CREATE VIEW v1 AS SELECT TRIM(LEADING 'y' FROM s) FROM t1;
SELECT * FROM v1;
TRIM(LEADING 'y' FROM s)
adda
ady
DROP VIEW v1;
SELECT TRIM(TRAILING 'y' FROM s) FROM t1;
TRIM(TRAILING 'y' FROM s)
yadda
yad
CREATE VIEW v1 AS SELECT TRIM(TRAILING 'y' FROM s) FROM t1;
SELECT * FROM v1;
TRIM(TRAILING 'y' FROM s)
yadda
yad
DROP VIEW v1;
DROP TABLE t1;
CREATE TABLE t1 (s1 char);
INSERT INTO t1 VALUES ('Z');
CREATE VIEW v1 AS SELECT s1 collate latin1_german1_ci AS col FROM t1;
CREATE VIEW v2 (col) AS SELECT s1 collate latin1_german1_ci FROM t1;
INSERT INTO v1 (col) VALUES ('b');
INSERT INTO v2 (col) VALUES ('c');
SELECT s1 FROM t1;
s1
Z
b
c
DROP VIEW v1, v2;
DROP TABLE t1;

14
mysql-test/t/func_gconcat.test
View file

@ -433,3 +433,17 @@ create table t1 (c1 varchar(10), c2 int);
select charset(group_concat(c1 order by c2)) from t1;
drop table t1;
#
# Bug #16712: group_concat returns odd string instead of intended result
#
CREATE TABLE t1 (a INT(10), b LONGTEXT, PRIMARY KEY (a));
SET GROUP_CONCAT_MAX_LEN = 20000000;
INSERT INTO t1 VALUES (1,REPEAT(CONCAT('A',CAST(CHAR(0) AS BINARY),'B'), 40000));
INSERT INTO t1 SELECT a + 1, b FROM t1;
SELECT a, CHAR_LENGTH(b) FROM t1;
SELECT CHAR_LENGTH( GROUP_CONCAT(b) ) FROM t1;
SET GROUP_CONCAT_MAX_LEN = 1024;
DROP TABLE t1;

15
mysql-test/t/func_group.test
View file

@ -660,3 +660,18 @@ SELECT SUM(a) FROM t1 GROUP BY b/c;
DROP TABLE t1;
set div_precision_increment= @sav_dpi;
#
# Bug #20868: Client connection is broken on SQL query error
#
CREATE TABLE t1 (a INT PRIMARY KEY, b INT);
INSERT INTO t1 VALUES (1,1), (2,2);
CREATE TABLE t2 (a INT PRIMARY KEY, b INT);
INSERT INTO t2 VALUES (1,1), (3,3);
SELECT SQL_NO_CACHE
(SELECT SUM(c.a) FROM t1 ttt, t2 ccc
WHERE ttt.a = ccc.b AND ttt.a = t.a GROUP BY ttt.a) AS minid
FROM t1 t, t2 c WHERE t.a = c.b;
DROP TABLE t1,t2;

15
mysql-test/t/func_str.test
View file

@ -706,6 +706,21 @@ SELECT a, CONCAT(a,' ',a) AS c FROM t1
INSTR(REVERSE(CONCAT(a,' ',a))," ")) = a;
DROP TABLE t1;
#
# Bug#17526: WRONG PRINT for TRIM FUNCTION with two arguments
#
CREATE TABLE t1 (s varchar(10));
INSERT INTO t1 VALUES ('yadda'), ('yaddy');
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(s) > 'ab';
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM('y' FROM s) > 'ab';
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(LEADING 'y' FROM s) > 'ab';
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(TRAILING 'y' FROM s) > 'ab';
EXPLAIN EXTENDED SELECT s FROM t1 WHERE TRIM(BOTH 'y' FROM s) > 'ab';
DROP TABLE t1;
--echo End of 4.1 tests

23
mysql-test/t/group_by.test
View file

@ -632,3 +632,26 @@ group by t1.c1;
show warnings;
drop table t1, t2;
#
# Bug #20466: a view is mixing data when there's a trigger on the table
#
CREATE TABLE t1 (a tinyint(3), b varchar(255), PRIMARY KEY (a));
INSERT INTO t1 VALUES (1,'-----'), (6,'Allemagne'), (17,'Autriche'),
(25,'Belgique'), (54,'Danemark'), (62,'Espagne'), (68,'France');
CREATE TABLE t2 (a tinyint(3), b tinyint(3), PRIMARY KEY (a), KEY b (b));
INSERT INTO t2 VALUES (1,1), (2,1), (6,6), (18,17), (15,25), (16,25),
(17,25), (10,54), (5,62),(3,68);
CREATE VIEW v1 AS select t1.a, concat(t1.b,'') AS b, t1.b as real_b from t1;
explain
SELECT straight_join sql_no_cache v1.a, v1.b, v1.real_b from t2, v1
where t2.b=v1.a GROUP BY t2.b;
SELECT straight_join sql_no_cache v1.a, v1.b, v1.real_b from t2, v1
where t2.b=v1.a GROUP BY t2.b;
DROP VIEW v1;
DROP TABLE t1,t2;

48
mysql-test/t/group_min_max.test
View file

@ -746,3 +746,51 @@ EXPLAIN SELECT DISTINCT a,a FROM t1 ORDER BY a;
SELECT DISTINCT a,a FROM t1 ORDER BY a;
DROP TABLE t1;
#
# Bug #21007: NATURAL JOIN (any JOIN (2 x NATURAL JOIN)) crashes the server
#
CREATE TABLE t1 (id1 INT, id2 INT);
CREATE TABLE t2 (id2 INT, id3 INT, id5 INT);
CREATE TABLE t3 (id3 INT, id4 INT);
CREATE TABLE t4 (id4 INT);
CREATE TABLE t5 (id5 INT, id6 INT);
CREATE TABLE t6 (id6 INT);
INSERT INTO t1 VALUES(1,1);
INSERT INTO t2 VALUES(1,1,1);
INSERT INTO t3 VALUES(1,1);
INSERT INTO t4 VALUES(1);
INSERT INTO t5 VALUES(1,1);
INSERT INTO t6 VALUES(1);
-- original bug query
SELECT * FROM
t1
NATURAL JOIN
(t2 JOIN (t3 NATURAL JOIN t4, t5 NATURAL JOIN t6)
ON (t3.id3 = t2.id3 AND t5.id5 = t2.id5));
-- inner join swapped
SELECT * FROM
t1
NATURAL JOIN
(((t3 NATURAL JOIN t4) join (t5 NATURAL JOIN t6) on t3.id4 = t5.id5) JOIN t2
ON (t3.id3 = t2.id3 AND t5.id5 = t2.id5));
-- one join less, no ON cond
SELECT * FROM t1 NATURAL JOIN ((t3 join (t5 NATURAL JOIN t6)) JOIN t2);
-- wrong error message: 'id2' - ambiguous column
SELECT * FROM
(t2 JOIN (t3 NATURAL JOIN t4, t5 NATURAL JOIN t6)
ON (t3.id3 = t2.id3 AND t5.id5 = t2.id5))
NATURAL JOIN
t1;
SELECT * FROM
(t2 JOIN ((t3 NATURAL JOIN t4) join (t5 NATURAL JOIN t6)))
NATURAL JOIN
t1;
DROP TABLE t1,t2,t3,t4,t5,t6;

43
mysql-test/t/information_schema.test
View file

@ -887,4 +887,47 @@ DROP FUNCTION f1;
DROP PROCEDURE p1;
DROP USER mysql_bug20230@localhost;
#
# Bug#18925: subqueries with MIN/MAX functions on INFORMARTION_SCHEMA
#
SELECT t.table_name, c1.column_name
FROM information_schema.tables t
INNER JOIN
information_schema.columns c1
ON t.table_schema = c1.table_schema AND
t.table_name = c1.table_name
WHERE t.table_schema = 'information_schema' AND
c1.ordinal_position =
( SELECT COALESCE(MIN(c2.ordinal_position),1)
FROM information_schema.columns c2
WHERE c2.table_schema = t.table_schema AND
c2.table_name = t.table_name AND
c2.column_name LIKE '%SCHEMA%'
);
SELECT t.table_name, c1.column_name
FROM information_schema.tables t
INNER JOIN
information_schema.columns c1
ON t.table_schema = c1.table_schema AND
t.table_name = c1.table_name
WHERE t.table_schema = 'information_schema' AND
c1.ordinal_position =
( SELECT COALESCE(MIN(c2.ordinal_position),1)
FROM information_schema.columns c2
WHERE c2.table_schema = 'information_schema' AND
c2.table_name = t.table_name AND
c2.column_name LIKE '%SCHEMA%'
);
#
# Bug#21231: query with a simple non-correlated subquery over
# INFORMARTION_SCHEMA.TABLES
#
SELECT MAX(table_name) FROM information_schema.tables;
SELECT table_name from information_schema.tables
WHERE table_name=(SELECT MAX(table_name)
FROM information_schema.tables);
# End of 5.0 tests.

2
mysql-test/t/innodb.test
View file

@ -1079,7 +1079,7 @@ drop table t1,t2,t3;
#
create table t1 (id int, name char(10) not null, name2 char(10) not null) engine=innodb;
insert into t1 values(1,'first','fff'),(2,'second','sss'),(3,'third','ttt');
select name2 from t1 union all select name from t1 union all select id from t1;
select trim(name2) from t1 union all select trim(name) from t1 union all select trim(id) from t1;
drop table t1;
#

45
mysql-test/t/select.test
View file

@ -2304,6 +2304,51 @@ INSERT INTO t1 VALUES (10);
SELECT i='1e+01',i=1e+01, i in (1e+01,1e+01), i in ('1e+01','1e+01') FROM t1;
DROP TABLE t1;
#
# Bug #21019: First result of SELECT COUNT(*) different than consecutive runs
#
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;
SELECT STRAIGHT_JOIN SQL_NO_CACHE * FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
EXPLAIN SELECT STRAIGHT_JOIN SQL_NO_CACHE COUNT(*) FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
SELECT STRAIGHT_JOIN SQL_NO_CACHE * FROM t2, t1 WHERE t1.b = t2.b OR t2.b IS NULL;
DROP TABLE IF EXISTS t1,t2;
#
# Bug #20954 "avg(keyval) retuns 0.38 but max(keyval) returns an empty set"
#
--disable_ps_protocol
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;
explain select max(key2) from t2 where key2 <= 1.6158;
explain select min(key1) from t1 where key1 >= 0.3762;
explain select min(key2) from t2 where key2 >= 1.3762;
explain select max(key1), min(key2) from t1, t2
where key1 <= 0.6158 and key2 >= 1.3762;
explain select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
explain select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
select max(key1) from t1 where key1 <= 0.6158;
select max(key2) from t2 where key2 <= 1.6158;
select min(key1) from t1 where key1 >= 0.3762;
select min(key2) from t2 where key2 >= 1.3762;
select max(key1), min(key2) from t1, t2
where key1 <= 0.6158 and key2 >= 1.3762;
select max(key1) from t1 where key1 <= 0.6158 and rand() + 0.5 >= 0.5;
select min(key1) from t1 where key1 >= 0.3762 and rand() + 0.5 >= 0.5;
DROP TABLE t1,t2;
--enable_ps_protocol
# End of 4.1 tests
#

17
mysql-test/t/sp.test
View file

@ -5963,6 +5963,23 @@ drop table t3|
drop procedure bug15217|
#
# BUG#19862: Sort with filesort by function evaluates function twice
#
--disable_warnings
drop procedure if exists bug19862|
--enable_warnings
CREATE TABLE t11 (a INT)|
CREATE TABLE t12 (a INT)|
CREATE FUNCTION bug19862(x INT) RETURNS INT
BEGIN
INSERT INTO t11 VALUES (x);
RETURN x+1;
END|
INSERT INTO t12 VALUES (1), (2)|
SELECT bug19862(a) FROM t12 ORDER BY 1|
SELECT * FROM t11|
DROP TABLE t11, t12|
DROP FUNCTION bug19862|
# Bug#21002 "Derived table not selecting from a "real" table fails in JOINs"
#
# A regression caused by the fix for Bug#18444: for derived tables we should

18
mysql-test/t/subselect.test
View file

@ -1851,6 +1851,24 @@ select 1 from dual where 2 > any (select 1);
select 1 from dual where 2 > all (select 1);
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);
# BUG#20975 Wrong query results for subqueries within NOT
create table t1 (s1 char);
insert into t1 values (1),(2);
select * from t1 where (s1 < any (select s1 from t1));
select * from t1 where not (s1 < any (select s1 from t1));
select * from t1 where (s1 < ALL (select s1+1 from t1));
select * from t1 where not(s1 < ALL (select s1+1 from t1));
select * from t1 where (s1+1 = ANY (select s1 from t1));
select * from t1 where NOT(s1+1 = ANY (select s1 from t1));
select * from t1 where (s1 = ALL (select s1/s1 from t1));
select * from t1 where NOT(s1 = ALL (select s1/s1 from t1));
drop table t1;
# End of 4.1 tests
# End of 4.1 tests
#

18
mysql-test/t/subselect2.test
View file

@ -150,3 +150,21 @@ EXPLAIN SELECT t2.*, t4.DOCTYPENAME, t1.CONTENTSIZE,t1.MIMETYPE FROM t2 INNER JO
drop table t1, t2, t3, t4;
# End of 4.1 tests
#
# Bug #20792: Incorrect results from aggregate subquery
#
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;
DROP TABLE t1,t2,t3;

7
mysql-test/t/udf.test
View file

@ -109,6 +109,13 @@ SELECT myfunc_double(n) AS f FROM bug19904;
SELECT metaphon(v) AS f FROM bug19904;
DROP TABLE bug19904;
#
# Bug#19862: Sort with filesort by function evaluates function twice
#
create table t1(f1 int);
insert into t1 values(1),(2);
explain select myfunc_int(f1) from t1 order by 1;
drop table t1;
--echo End of 5.0 tests.
#

12
mysql-test/t/union.test
View file

@ -390,8 +390,8 @@ create table t1 SELECT da from t2 UNION select dt from t2;
select * from t1;
show create table t1;
drop table t1;
create table t1 SELECT dt from t2 UNION select sc from t2;
select * from t1;
create table t1 SELECT dt from t2 UNION select trim(sc) from t2;
select trim(dt) from t1;
show create table t1;
drop table t1;
create table t1 SELECT dt from t2 UNION select sv from t2;
@ -794,6 +794,14 @@ drop table t1;
# End of 4.1 tests
#
# Bug#12185: Data type aggregation may produce wrong result
#
create table t1(f1 char(1), f2 char(5), f3 binary(1), f4 binary(5), f5 timestamp, f6 varchar(1) character set utf8 collate utf8_general_ci, f7 text);
create table t2 as select *, f6 as f8 from t1 union select *, f7 from t1;
show create table t2;
drop table t1, t2;
#
# Bug#18175: Union select over 129 tables with a sum function fails.
#

43
mysql-test/t/view.test
View file

@ -2643,3 +2643,46 @@ DESCRIBE t2;
DROP VIEW v1;
DROP TABLE t1,t2;
#
# Bug #17526: views with TRIM functions
#
CREATE TABLE t1 (s varchar(10));
INSERT INTO t1 VALUES ('yadda'), ('yady');
SELECT TRIM(BOTH 'y' FROM s) FROM t1;
CREATE VIEW v1 AS SELECT TRIM(BOTH 'y' FROM s) FROM t1;
SELECT * FROM v1;
DROP VIEW v1;
SELECT TRIM(LEADING 'y' FROM s) FROM t1;
CREATE VIEW v1 AS SELECT TRIM(LEADING 'y' FROM s) FROM t1;
SELECT * FROM v1;
DROP VIEW v1;
SELECT TRIM(TRAILING 'y' FROM s) FROM t1;
CREATE VIEW v1 AS SELECT TRIM(TRAILING 'y' FROM s) FROM t1;
SELECT * FROM v1;
DROP VIEW v1;
DROP TABLE t1;
#
# Bug #21086: server crashes when VIEW defined with a SELECT with COLLATE
# clause is called
#
CREATE TABLE t1 (s1 char);
INSERT INTO t1 VALUES ('Z');
CREATE VIEW v1 AS SELECT s1 collate latin1_german1_ci AS col FROM t1;
CREATE VIEW v2 (col) AS SELECT s1 collate latin1_german1_ci FROM t1;
# either of these statements will cause crash
INSERT INTO v1 (col) VALUES ('b');
INSERT INTO v2 (col) VALUES ('c');
SELECT s1 FROM t1;
DROP VIEW v1, v2;
DROP TABLE t1;

18
sql/field.cc
View file

@ -4387,6 +4387,24 @@ Field_timestamp::Field_timestamp(char *ptr_arg, uint32 len_arg,
}
Field_timestamp::Field_timestamp(bool maybe_null_arg,
const char *field_name_arg,
struct st_table *table_arg, CHARSET_INFO *cs)
:Field_str((char*) 0, 19, maybe_null_arg ? (uchar*) "": 0, 0,
NONE, field_name_arg, table_arg, cs)
{
/* For 4.0 MYD and 4.0 InnoDB compatibility */
flags|= ZEROFILL_FLAG | UNSIGNED_FLAG;
if (table && !table->timestamp_field &&
unireg_check != NONE)
{
/* This timestamp has auto-update */
table->timestamp_field= this;
flags|=TIMESTAMP_FLAG;
}
}
/*
Get auto-set type for TIMESTAMP field.

17
sql/field.h
View file

@ -780,6 +780,8 @@ public:
enum utype unireg_check_arg, const char *field_name_arg,
struct st_table *table_arg,
CHARSET_INFO *cs);
Field_timestamp(bool maybe_null_arg, const char *field_name_arg,
struct st_table *table_arg, CHARSET_INFO *cs);
enum_field_types type() const { return FIELD_TYPE_TIMESTAMP;}
enum ha_base_keytype key_type() const { return HA_KEYTYPE_ULONG_INT; }
enum Item_result cmp_type () const { return INT_RESULT; }
@ -1128,6 +1130,21 @@ public:
{
flags|= BLOB_FLAG;
}
Field_blob(uint32 len_arg,bool maybe_null_arg, const char *field_name_arg,
struct st_table *table_arg, CHARSET_INFO *cs, bool set_packlength)
:Field_longstr((char*) 0,len_arg, maybe_null_arg ? (uchar*) "": 0, 0,
NONE, field_name_arg, table_arg, cs)
{
flags|= BLOB_FLAG;
packlength= 4;
if (set_packlength)
{
uint32 char_length= len_arg/cs->mbmaxlen;
packlength= char_length <= 255 ? 1 :
char_length <= 65535 ? 2 :
char_length <= 16777215 ? 3 : 4;
}
}
enum_field_types type() const { return FIELD_TYPE_BLOB;}
enum ha_base_keytype key_type() const
{ return binary() ? HA_KEYTYPE_VARBINARY2 : HA_KEYTYPE_VARTEXT2; }

13
sql/item.cc
View file

@ -3903,7 +3903,9 @@ Field *Item::make_string_field(TABLE *table)
if (max_length/collation.collation->mbmaxlen > CONVERT_IF_BIGGER_TO_BLOB)
return new Field_blob(max_length, maybe_null, name, table,
collation.collation);
if (max_length > 0)
/* Item_type_holder holds the exact type, do not change it */
if (max_length > 0 &&
(type() != Item::TYPE_HOLDER || field_type() != MYSQL_TYPE_STRING))
return new Field_varstring(max_length, maybe_null, name, table,
collation.collation);
return new Field_string(max_length, maybe_null, name, table,
@ -3967,6 +3969,7 @@ Field *Item::tmp_table_field_from_field_type(TABLE *table)
case MYSQL_TYPE_TIME:
return new Field_time(maybe_null, name, table, &my_charset_bin);
case MYSQL_TYPE_TIMESTAMP:
return new Field_timestamp(maybe_null, name, table, &my_charset_bin);
case MYSQL_TYPE_DATETIME:
return new Field_datetime(maybe_null, name, table, &my_charset_bin);
case MYSQL_TYPE_YEAR:
@ -3990,7 +3993,11 @@ Field *Item::tmp_table_field_from_field_type(TABLE *table)
case MYSQL_TYPE_LONG_BLOB:
case MYSQL_TYPE_BLOB:
case MYSQL_TYPE_GEOMETRY:
return new Field_blob(max_length, maybe_null, name, table,
if (this->type() == Item::TYPE_HOLDER)
return new Field_blob(max_length, maybe_null, name, table,
collation.collation, 1);
else
return new Field_blob(max_length, maybe_null, name, table,
collation.collation);
break; // Blob handled outside of case
}
@ -6151,7 +6158,7 @@ uint32 Item_type_holder::display_length(Item *item)
case MYSQL_TYPE_DOUBLE:
return 53;
case MYSQL_TYPE_NULL:
return 4;
return 0;
case MYSQL_TYPE_LONGLONG:
return 20;
case MYSQL_TYPE_INT24:

1
sql/item.h
View file

@ -752,6 +752,7 @@ public:
virtual bool find_item_in_field_list_processor(byte *arg) { return 0; }
virtual bool change_context_processor(byte *context) { return 0; }
virtual bool reset_query_id_processor(byte *query_id) { return 0; }
virtual bool is_expensive_processor(byte *arg) { return 0; }
virtual Item *equal_fields_propagator(byte * arg) { return this; }
virtual Item *set_no_const_sub(byte *arg) { return this; }

22
sql/item_cmpfunc.cc
View file

@ -3656,6 +3656,28 @@ Item *Item_cond_or::neg_transformer(THD *thd) /* NOT(a OR b OR ...) -> */
}
Item *Item_func_nop_all::neg_transformer(THD *thd)
{
/* "NOT (e $cmp$ ANY (SELECT ...)) -> e $rev_cmp$" ALL (SELECT ...) */
Item_func_not_all *new_item= new Item_func_not_all(args[0]);
Item_allany_subselect *allany= (Item_allany_subselect*)args[0];
allany->func= allany->func_creator(FALSE);
allany->all= !allany->all;
allany->upper_item= new_item;
return new_item;
}
Item *Item_func_not_all::neg_transformer(THD *thd)
{
/* "NOT (e $cmp$ ALL (SELECT ...)) -> e $rev_cmp$" ANY (SELECT ...) */
Item_func_nop_all *new_item= new Item_func_nop_all(args[0]);
Item_allany_subselect *allany= (Item_allany_subselect*)args[0];
allany->all= !allany->all;
allany->func= allany->func_creator(TRUE);
allany->upper_item= new_item;
return new_item;
}
Item *Item_func_eq::negated_item() /* a = b -> a != b */
{
return new Item_func_ne(args[0], args[1]);

2
sql/item_cmpfunc.h
View file

@ -311,6 +311,7 @@ public:
void set_sum_test(Item_sum_hybrid *item) { test_sum_item= item; };
void set_sub_test(Item_maxmin_subselect *item) { test_sub_item= item; };
bool empty_underlying_subquery();
Item *neg_transformer(THD *thd);
};
@ -321,6 +322,7 @@ public:
Item_func_nop_all(Item *a) :Item_func_not_all(a) {}
longlong val_int();
const char *func_name() const { return "<nop>"; }
Item *neg_transformer(THD *thd);
};

7
sql/item_func.cc
View file

@ -398,6 +398,13 @@ Field *Item_func::tmp_table_field(TABLE *t_arg)
return res;
}
bool Item_func::is_expensive_processor(byte *arg)
{
return is_expensive();
}
my_decimal *Item_func::val_decimal(my_decimal *decimal_value)
{
DBUG_ASSERT(fixed);

7
sql/item_func.h
View file

@ -55,7 +55,7 @@ public:
NOT_FUNC, NOT_ALL_FUNC,
NOW_FUNC, TRIG_COND_FUNC,
GUSERVAR_FUNC, COLLATE_FUNC,
EXTRACT_FUNC, CHAR_TYPECAST_FUNC, FUNC_SP };
EXTRACT_FUNC, CHAR_TYPECAST_FUNC, FUNC_SP, UDF_FUNC };
enum optimize_type { OPTIMIZE_NONE,OPTIMIZE_KEY,OPTIMIZE_OP, OPTIMIZE_NULL,
OPTIMIZE_EQUAL };
enum Type type() const { return FUNC_ITEM; }
@ -189,6 +189,8 @@ public:
Item *transform(Item_transformer transformer, byte *arg);
void traverse_cond(Cond_traverser traverser,
void * arg, traverse_order order);
bool is_expensive_processor(byte *arg);
virtual bool is_expensive() { return 0; }
};
@ -933,6 +935,7 @@ public:
Item_udf_func(udf_func *udf_arg, List<Item> &list)
:Item_func(list), udf(udf_arg) {}
const char *func_name() const { return udf.name(); }
enum Functype functype() const { return UDF_FUNC; }
bool fix_fields(THD *thd, Item **ref)
{
DBUG_ASSERT(fixed == 0);
@ -945,6 +948,7 @@ public:
void cleanup();
Item_result result_type () const { return udf.result_type(); }
table_map not_null_tables() const { return 0; }
bool is_expensive() { return 1; }
};
@ -1473,6 +1477,7 @@ public:
virtual enum Functype functype() const { return FUNC_SP; }
bool fix_fields(THD *thd, Item **ref);
bool is_expensive() { return 1; }
};

17
sql/item_strfunc.cc
View file

@ -1503,6 +1503,23 @@ void Item_func_trim::fix_length_and_dec()
}
}
void Item_func_trim::print(String *str)
{
if (arg_count == 1)
{
Item_func::print(str);
return;
}
str->append(Item_func_trim::func_name());
str->append('(');
str->append(mode_name());
str->append(' ');
args[1]->print(str);
str->append(STRING_WITH_LEN(" from "));
args[0]->print(str);
str->append(')');
}
/* Item_func_password */

6
sql/item_strfunc.h
View file

@ -233,6 +233,8 @@ public:
String *val_str(String *);
void fix_length_and_dec();
const char *func_name() const { return "trim"; }
void print(String *str);
virtual const char *mode_name() const { return "both"; }
};
@ -243,6 +245,7 @@ public:
Item_func_ltrim(Item *a) :Item_func_trim(a) {}
String *val_str(String *);
const char *func_name() const { return "ltrim"; }
const char *mode_name() const { return "leading"; }
};
@ -253,6 +256,7 @@ public:
Item_func_rtrim(Item *a) :Item_func_trim(a) {}
String *val_str(String *);
const char *func_name() const { return "rtrim"; }
const char *mode_name() const { return "trailing"; }
};
@ -724,7 +728,7 @@ public:
void fix_length_and_dec();
bool eq(const Item *item, bool binary_cmp) const;
const char *func_name() const { return "collate"; }
enum Functype func_type() const { return COLLATE_FUNC; }
enum Functype functype() const { return COLLATE_FUNC; }
void print(String *str);
Item_field *filed_for_view_update()
{

6
sql/item_subselect.cc
View file

@ -572,14 +572,14 @@ Item_in_subselect::Item_in_subselect(Item * left_exp,
}
Item_allany_subselect::Item_allany_subselect(Item * left_exp,
Comp_creator *fn,
chooser_compare_func_creator fc,
st_select_lex *select_lex,
bool all_arg)
:Item_in_subselect(), all(all_arg)
:Item_in_subselect(), func_creator(fc), all(all_arg)
{
DBUG_ENTER("Item_in_subselect::Item_in_subselect");
left_expr= left_exp;
func= fn;
func= func_creator(all_arg);
init(select_lex, new select_exists_subselect(this));
max_columns= 1;
abort_on_null= 0;

9
sql/item_subselect.h
View file

@ -269,14 +269,13 @@ public:
/* ALL/ANY/SOME subselect */
class Item_allany_subselect :public Item_in_subselect
{
protected:
Comp_creator *func;
public:
chooser_compare_func_creator func_creator;
Comp_creator *func;
bool all;
Item_allany_subselect(Item * left_expr, Comp_creator *f,
st_select_lex *select_lex, bool all);
Item_allany_subselect(Item * left_expr, chooser_compare_func_creator fc,
st_select_lex *select_lex, bool all);
// only ALL subquery has upper not
subs_type substype() { return all?ALL_SUBS:ANY_SUBS; }

8
sql/item_sum.cc
View file

@ -377,7 +377,13 @@ Field *Item_sum::create_tmp_field(bool group, TABLE *table,
case INT_RESULT:
return new Field_longlong(max_length,maybe_null,name,table,unsigned_flag);
case STRING_RESULT:
if (max_length/collation.collation->mbmaxlen > 255 && convert_blob_length)
/*
Make sure that the blob fits into a Field_varstring which has
2-byte lenght.
*/
if (max_length/collation.collation->mbmaxlen > 255 &&
max_length/collation.collation->mbmaxlen < UINT_MAX16 &&
convert_blob_length)
return new Field_varstring(convert_blob_length, maybe_null,
name, table,
collation.collation);

4
sql/mysql_priv.h
View file

@ -520,9 +520,11 @@ enum enum_var_type
OPT_DEFAULT= 0, OPT_SESSION, OPT_GLOBAL
};
class sys_var;
class Comp_creator;
typedef Comp_creator* (*chooser_compare_func_creator)(bool invert);
#include "item.h"
extern my_decimal decimal_zero;
typedef Comp_creator* (*chooser_compare_func_creator)(bool invert);
/* sql_parse.cc */
void free_items(Item *item);
void cleanup_items(Item *item);

47
sql/sql_base.cc
View file

@ -4041,36 +4041,48 @@ store_top_level_join_columns(THD *thd, TABLE_LIST *table_ref,
if (table_ref->nested_join)
{
List_iterator_fast<TABLE_LIST> nested_it(table_ref->nested_join->join_list);
TABLE_LIST *cur_left_neighbor= nested_it++;
TABLE_LIST *cur_right_neighbor= NULL;
TABLE_LIST *same_level_left_neighbor= nested_it++;
TABLE_LIST *same_level_right_neighbor= NULL;
/* Left/right-most neighbors, possibly at higher levels in the join tree. */
TABLE_LIST *real_left_neighbor, *real_right_neighbor;
while (cur_left_neighbor)
while (same_level_left_neighbor)
{
TABLE_LIST *cur_table_ref= cur_left_neighbor;
cur_left_neighbor= nested_it++;
TABLE_LIST *cur_table_ref= same_level_left_neighbor;
same_level_left_neighbor= nested_it++;
/*
The order of RIGHT JOIN operands is reversed in 'join list' to
transform it into a LEFT JOIN. However, in this procedure we need
the join operands in their lexical order, so below we reverse the
join operands. Notice that this happens only in the first loop, and
not in the second one, as in the second loop cur_left_neighbor == NULL.
This is the correct behavior, because the second loop
sets cur_table_ref reference correctly after the join operands are
join operands. Notice that this happens only in the first loop,
and not in the second one, as in the second loop
same_level_left_neighbor == NULL.
This is the correct behavior, because the second loop sets
cur_table_ref reference correctly after the join operands are
swapped in the first loop.
*/
if (cur_left_neighbor &&
if (same_level_left_neighbor &&
cur_table_ref->outer_join & JOIN_TYPE_RIGHT)
{
/* This can happen only for JOIN ... ON. */
DBUG_ASSERT(table_ref->nested_join->join_list.elements == 2);
swap_variables(TABLE_LIST*, cur_left_neighbor, cur_table_ref);
swap_variables(TABLE_LIST*, same_level_left_neighbor, cur_table_ref);
}
/*
Pick the parent's left and right neighbors if there are no immediate
neighbors at the same level.
*/
real_left_neighbor= (same_level_left_neighbor) ?
same_level_left_neighbor : left_neighbor;
real_right_neighbor= (same_level_right_neighbor) ?
same_level_right_neighbor : right_neighbor;
if (cur_table_ref->nested_join &&
store_top_level_join_columns(thd, cur_table_ref,
cur_left_neighbor, cur_right_neighbor))
real_left_neighbor, real_right_neighbor))
goto err;
cur_right_neighbor= cur_table_ref;
same_level_right_neighbor= cur_table_ref;
}
}
@ -4947,12 +4959,17 @@ fill_record(THD * thd, List<Item> &fields, List<Item> &values,
bool ignore_errors)
{
List_iterator_fast<Item> f(fields),v(values);
Item *value;
Item *value, *fld;
Item_field *field;
DBUG_ENTER("fill_record");
while ((field=(Item_field*) f++))
while ((fld= f++))
{
if (!(field= fld->filed_for_view_update()))
{
my_error(ER_NONUPDATEABLE_COLUMN, MYF(0), fld->name);
DBUG_RETURN(TRUE);
}
value=v++;
Field *rfield= field->field;
TABLE *table= rfield->table;

2
sql/sql_parse.cc
View file

@ -7017,7 +7017,7 @@ Item * all_any_subquery_creator(Item *left_expr,
return new Item_func_not(new Item_in_subselect(left_expr, select_lex));
Item_allany_subselect *it=
new Item_allany_subselect(left_expr, (*cmp)(all), select_lex, all);
new Item_allany_subselect(left_expr, cmp, select_lex, all);
if (all)
return it->upper_item= new Item_func_not_all(it); /* ALL */

85
sql/sql_select.cc
View file

@ -679,6 +679,25 @@ JOIN::optimize()
DBUG_PRINT("info",("Select tables optimized away"));
zero_result_cause= "Select tables optimized away";
tables_list= 0; // All tables resolved
/*
Extract all table-independent conditions and replace the WHERE
clause with them. All other conditions were computed by opt_sum_query
and the MIN/MAX/COUNT function(s) have been replaced by constants,
so there is no need to compute the whole WHERE clause again.
Notice that make_cond_for_table() will always succeed to remove all
computed conditions, because opt_sum_query() is applicable only to
conjunctions.
Preserve conditions for EXPLAIN.
*/
if (conds && !(thd->lex->describe & DESCRIBE_EXTENDED))
{
COND *table_independent_conds=
make_cond_for_table(conds, PSEUDO_TABLE_BITS, 0);
DBUG_EXECUTE("where",
print_where(table_independent_conds,
"where after opt_sum_query()"););
conds= table_independent_conds;
}
}
}
if (!tables_list)
@ -1064,6 +1083,23 @@ JOIN::optimize()
{
need_tmp=1; simple_order=simple_group=0; // Force tmp table without sort
}
if (order)
{
/*
Force using of tmp table if sorting by a SP or UDF function due to
their expensive and probably non-deterministic nature.
*/
for (ORDER *tmp_order= order; tmp_order ; tmp_order=tmp_order->next)
{
Item *item= *tmp_order->item;
if (item->walk(&Item::is_expensive_processor,(byte*)0))
{
/* Force tmp table without sort */
need_tmp=1; simple_order=simple_group=0;
break;
}
}
}
}
tmp_having= having;
@ -2470,8 +2506,11 @@ merge_key_fields(KEY_FIELD *start,KEY_FIELD *new_fields,KEY_FIELD *end,
/* field = expression OR field IS NULL */
old->level= and_level;
old->optimize= KEY_OPTIMIZE_REF_OR_NULL;
/* Remember the NOT NULL value */
if (old->val->is_null())
/*
Remember the NOT NULL value unless the value does not depend
on other tables.
*/
if (!old->val->used_tables() && old->val->is_null())
old->val= new_fields->val;
/* The referred expression can be NULL: */
old->null_rejecting= 0;
@ -6174,10 +6213,16 @@ return_zero_rows(JOIN *join, select_result *result,TABLE_LIST *tables,
DBUG_RETURN(0);
}
/*
used only in JOIN::clear
*/
static void clear_tables(JOIN *join)
{
for (uint i=0 ; i < join->tables ; i++)
/*
must clear only the non-const tables, as const tables
are not re-calculated.
*/
for (uint i=join->const_tables ; i < join->tables ; i++)
mark_as_null_row(join->table[i]); // All fields are NULL
}
@ -8034,7 +8079,12 @@ Field* create_tmp_field_from_field(THD *thd, Field* org_field,
{
Field *new_field;
if (convert_blob_length && (org_field->flags & BLOB_FLAG))
/*
Make sure that the blob fits into a Field_varstring which has
2-byte lenght.
*/
if (convert_blob_length && convert_blob_length < UINT_MAX16 &&
(org_field->flags & BLOB_FLAG))
new_field= new Field_varstring(convert_blob_length,
org_field->maybe_null(),
org_field->field_name, table,
@ -8116,8 +8166,13 @@ static Field *create_tmp_field_from_item(THD *thd, Item *item, TABLE *table,
if ((type= item->field_type()) == MYSQL_TYPE_DATETIME ||
type == MYSQL_TYPE_TIME || type == MYSQL_TYPE_DATE)
new_field= item->tmp_table_field_from_field_type(table);
/*
Make sure that the blob fits into a Field_varstring which has
2-byte lenght.
*/
else if (item->max_length/item->collation.collation->mbmaxlen > 255 &&
convert_blob_length)
item->max_length/item->collation.collation->mbmaxlen < UINT_MAX16
&& convert_blob_length)
new_field= new Field_varstring(convert_blob_length, maybe_null,
item->name, table,
item->collation.collation);
@ -12810,7 +12865,7 @@ count_field_types(TMP_TABLE_PARAM *param, List<Item> &fields,
{
if (! field->const_item())
{
Item_sum *sum_item=(Item_sum*) field;
Item_sum *sum_item=(Item_sum*) field->real_item();
if (!sum_item->quick_group)
param->quick_group=0; // UDF SUM function
param->sum_func_count++;
@ -13070,10 +13125,11 @@ setup_copy_fields(THD *thd, TMP_TABLE_PARAM *param,
param->copy_funcs.empty();
for (i= 0; (pos= li++); i++)
{
if (pos->real_item()->type() == Item::FIELD_ITEM)
Item *real_pos= pos->real_item();
if (real_pos->type() == Item::FIELD_ITEM)
{
Item_field *item;
pos= pos->real_item();
pos= real_pos;
if (!(item= new Item_field(thd, ((Item_field*) pos))))
goto err;
pos= item;
@ -13112,12 +13168,13 @@ setup_copy_fields(THD *thd, TMP_TABLE_PARAM *param,
}
}
}
else if ((pos->type() == Item::FUNC_ITEM ||
pos->type() == Item::SUBSELECT_ITEM ||
pos->type() == Item::CACHE_ITEM ||
pos->type() == Item::COND_ITEM) &&
!pos->with_sum_func)
else if ((real_pos->type() == Item::FUNC_ITEM ||
real_pos->type() == Item::SUBSELECT_ITEM ||
real_pos->type() == Item::CACHE_ITEM ||
real_pos->type() == Item::COND_ITEM) &&
!real_pos->with_sum_func)
{ // Save for send fields
pos= real_pos;
/* TODO:
In most cases this result will be sent to the user.
This should be changed to use copy_int or copy_real depending

17
sql/sql_show.cc
View file

@ -2116,12 +2116,6 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond)
LINT_INIT(end);
LINT_INIT(len);
/*
Let us set fake sql_command so views won't try to merge
themselves into main statement.
*/
lex->sql_command= SQLCOM_SHOW_FIELDS;
lex->reset_n_backup_query_tables_list(&query_tables_list_backup);
/*
@ -2144,8 +2138,16 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond)
I_S tables will be done.
*/
thd->temporary_tables= open_tables_state_backup.temporary_tables;
/*
Let us set fake sql_command so views won't try to merge
themselves into main statement. If we don't do this,
SELECT * from information_schema.xxxx will cause problems.
SQLCOM_SHOW_FIELDS is used because it satisfies 'only_view_structure()'
*/
lex->sql_command= SQLCOM_SHOW_FIELDS;
res= open_normal_and_derived_tables(thd, show_table_list,
MYSQL_LOCK_IGNORE_FLUSH);
lex->sql_command= save_sql_command;
/*
get_all_tables() returns 1 on failure and 0 on success thus
return only these and not the result code of ::process_table()
@ -2267,8 +2269,10 @@ int get_all_tables(THD *thd, TABLE_LIST *tables, COND *cond)
TABLE_LIST *show_table_list= (TABLE_LIST*) sel.table_list.first;
lex->all_selects_list= &sel;
lex->derived_tables= 0;
lex->sql_command= SQLCOM_SHOW_FIELDS;
res= open_normal_and_derived_tables(thd, show_table_list,
MYSQL_LOCK_IGNORE_FLUSH);
lex->sql_command= save_sql_command;
/*
We should use show_table_list->alias instead of
show_table_list->table_name because table_name
@ -3963,6 +3967,7 @@ bool get_schema_tables_result(JOIN *join)
table_list->table->file->delete_all_rows();
free_io_cache(table_list->table);
filesort_free_buffers(table_list->table);
table_list->table->null_row= 0;
}
else
table_list->table->file->records= 0;