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

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
2025-07-29 05:21:33 +03:00 · 2006-08-02 16:44:56 +04:00
parent ed19079caa 45871dbfd9
commit c102fe94ad
47 changed files with 955 additions and 65 deletions
--- a/mysql-test/r/create.result
+++ b/mysql-test/r/create.result
@ -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,
--- a/mysql-test/r/func_gconcat.result
+++ b/mysql-test/r/func_gconcat.result
@ -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;
--- a/mysql-test/r/func_group.result
+++ b/mysql-test/r/func_group.result
@ -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;
--- a/mysql-test/r/func_str.result
+++ b/mysql-test/r/func_str.result
@ -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);
--- a/mysql-test/r/group_by.result
+++ b/mysql-test/r/group_by.result
@ -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;
--- a/mysql-test/r/group_min_max.result
+++ b/mysql-test/r/group_min_max.result
@ -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;
--- a/mysql-test/r/information_schema.result
+++ b/mysql-test/r/information_schema.result
@ -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
--- a/mysql-test/r/innodb.result
+++ b/mysql-test/r/innodb.result
@ -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
--- a/mysql-test/r/select.result
+++ b/mysql-test/r/select.result
@ -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', 
--- a/mysql-test/r/sp.result
+++ b/mysql-test/r/sp.result
@ -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)|
--- a/mysql-test/r/subselect.result
+++ b/mysql-test/r/subselect.result
@ -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);
--- a/mysql-test/r/subselect2.result
+++ b/mysql-test/r/subselect2.result
@ -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;
--- a/mysql-test/r/udf.result
+++ b/mysql-test/r/udf.result
@ -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;
--- a/mysql-test/r/union.result
+++ b/mysql-test/r/union.result
@ -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
--- a/mysql-test/r/view.result
+++ b/mysql-test/r/view.result
@ -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;
--- a/mysql-test/t/func_gconcat.test
+++ b/mysql-test/t/func_gconcat.test
@ -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;
--- a/mysql-test/t/func_group.test
+++ b/mysql-test/t/func_group.test
@ -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;
--- a/mysql-test/t/func_str.test
+++ b/mysql-test/t/func_str.test
@ -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

--- a/mysql-test/t/group_by.test
+++ b/mysql-test/t/group_by.test
@ -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;
--- a/mysql-test/t/group_min_max.test
+++ b/mysql-test/t/group_min_max.test
@ -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;
--- a/mysql-test/t/information_schema.test
+++ b/mysql-test/t/information_schema.test
@ -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.
--- a/mysql-test/t/innodb.test
+++ b/mysql-test/t/innodb.test
@ -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;

 #
--- a/mysql-test/t/select.test
+++ b/mysql-test/t/select.test
@ -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

 #
--- a/mysql-test/t/sp.test
+++ b/mysql-test/t/sp.test
@ -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
--- a/mysql-test/t/subselect.test
+++ b/mysql-test/t/subselect.test
@ -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

 #
--- a/mysql-test/t/subselect2.test
+++ b/mysql-test/t/subselect2.test
@ -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;
--- a/mysql-test/t/udf.test
+++ b/mysql-test/t/udf.test
@ -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.

 #
--- a/mysql-test/t/union.test
+++ b/mysql-test/t/union.test
@ -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.
 #
--- a/mysql-test/t/view.test
+++ b/mysql-test/t/view.test
@ -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;