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|
drop table if exists t1,t2,t3,t4,t5,t6,t7;
CREATE TABLE t1 (a blob, b text, c blob(250), d text(70000), e text(70000000));
show columns from t1;
Field Type Null Key Default Extra
a blob YES NULL
b text YES NULL
c tinyblob YES NULL
d mediumtext YES NULL
e longtext YES NULL
SET STATEMENT sql_mode = 'NO_ENGINE_SUBSTITUTION' FOR
CREATE TABLE t2 (a char(255), b varbinary(70000), c varchar(70000000));
Warnings:
Note 1246 Converting column 'b' from VARBINARY to BLOB
Note 1246 Converting column 'c' from VARCHAR to TEXT
SET STATEMENT sql_mode = 'NO_ENGINE_SUBSTITUTION' FOR
CREATE TABLE t4 (c varchar(65530) character set utf8 not null);
Warnings:
Note 1246 Converting column 'c' from VARCHAR to TEXT
show columns from t2;
Field Type Null Key Default Extra
a char(255) YES NULL
b mediumblob YES NULL
c longtext YES NULL
create table t3 (a long, b long byte);
show create TABLE t3;
Table Create Table
t3 CREATE TABLE `t3` (
`a` mediumtext DEFAULT NULL,
`b` mediumblob DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
show create TABLE t4;
Table Create Table
t4 CREATE TABLE `t4` (
`c` mediumtext CHARACTER SET utf8mb3 NOT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1,t2,t3,t4;
CREATE TABLE t1 (a char(257) default "hello");
ERROR 42000: Column length too big for column 'a' (max = 255); use BLOB or TEXT instead
CREATE TABLE t2 (a char(256));
ERROR 42000: Column length too big for column 'a' (max = 255); use BLOB or TEXT instead
SET STATEMENT sql_mode = 'NO_ENGINE_SUBSTITUTION' FOR
CREATE TABLE t1 (a varchar(70000) default "hello");
Warnings:
Note 1246 Converting column 'a' from VARCHAR to TEXT
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` mediumtext DEFAULT 'hello'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
CREATE TABLE t2 (a blob default "hello");
SHOW CREATE TABLE t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` blob DEFAULT 'hello'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1,t2;
create table t1 (nr int(5) not null auto_increment,b blob,str char(10), primary key (nr));
insert into t1 values (null,"a","A");
insert into t1 values (null,"bbb","BBB");
insert into t1 values (null,"ccc","CCC");
select last_insert_id();
last_insert_id()
3
select * from t1,t1 as t2;
nr b str nr b str
1 a A 1 a A
2 bbb BBB 1 a A
3 ccc CCC 1 a A
1 a A 2 bbb BBB
2 bbb BBB 2 bbb BBB
3 ccc CCC 2 bbb BBB
1 a A 3 ccc CCC
2 bbb BBB 3 ccc CCC
3 ccc CCC 3 ccc CCC
drop table t1;
create table t1 (a text);
insert into t1 values ('where');
update t1 set a='Where';
select * from t1;
a
Where
drop table t1;
create table t1 (t text,c char(10),b blob, d varbinary(10));
insert into t1 values (NULL,NULL,NULL,NULL);
insert into t1 values ("","","","");
insert into t1 values ("hello","hello","hello","hello");
insert into t1 values ("HELLO","HELLO","HELLO","HELLO");
insert into t1 values ("HELLO MY","HELLO MY","HELLO MY","HELLO MY");
insert into t1 values ("a","a","a","a");
insert into t1 values (1,1,1,1);
insert into t1 values (NULL,NULL,NULL,NULL);
update t1 set c="",b=null where c="1";
lock tables t1 READ;
show full fields from t1;
Field Type Collation Null Key Default Extra Privileges Comment
t text latin1_swedish_ci YES NULL #
c char(10) latin1_swedish_ci YES NULL #
b blob NULL YES NULL #
d varbinary(10) NULL YES NULL #
lock tables t1 WRITE;
show full fields from t1;
Field Type Collation Null Key Default Extra Privileges Comment
t text latin1_swedish_ci YES NULL #
c char(10) latin1_swedish_ci YES NULL #
b blob NULL YES NULL #
d varbinary(10) NULL YES NULL #
unlock tables;
select t from t1 where t like "hello";
t
hello
HELLO
select c from t1 where c like "hello";
c
hello
HELLO
select b from t1 where b like "hello";
b
hello
select d from t1 where d like "hello";
d
hello
select c from t1 having c like "hello";
c
hello
HELLO
select d from t1 having d like "hello";
d
hello
select t from t1 where t like "%HELLO%";
t
hello
HELLO
HELLO MY
select c from t1 where c like "%HELLO%";
c
hello
HELLO
HELLO MY
select b from t1 where b like "%HELLO%";
b
HELLO
HELLO MY
select d from t1 where d like "%HELLO%";
d
HELLO
HELLO MY
select c from t1 having c like "%HELLO%";
c
hello
HELLO
HELLO MY
select d from t1 having d like "%HELLO%";
d
HELLO
HELLO MY
select d from t1 having d like "%HE%LLO%";
d
HELLO
HELLO MY
select t from t1 order by t;
t
NULL
NULL
1
a
hello
HELLO
HELLO MY
select c from t1 order by c;
c
NULL
NULL
a
hello
HELLO
HELLO MY
select b from t1 order by b;
b
NULL
NULL
NULL
HELLO
HELLO MY
a
hello
select d from t1 order by d;
d
NULL
NULL
1
HELLO
HELLO MY
a
hello
select distinct t from t1;
t
NULL
hello
HELLO MY
a
1
select distinct b from t1;
b
NULL
hello
HELLO
HELLO MY
a
select distinct t from t1 order by t;
t
NULL
1
a
hello
HELLO MY
select distinct b from t1 order by b;
b
NULL
HELLO
HELLO MY
a
hello
select t from t1 group by t;
t
NULL
1
a
hello
HELLO MY
select b from t1 group by b;
b
NULL
HELLO
HELLO MY
a
hello
set tmp_memory_table_size=0;
select distinct t from t1;
t
NULL
hello
HELLO MY
a
1
select distinct b from t1;
b
NULL
hello
HELLO
HELLO MY
a
select distinct t from t1 order by t;
t
NULL
1
a
hello
HELLO MY
select distinct b from t1 order by b;
b
NULL
HELLO
HELLO MY
a
hello
select distinct c from t1;
c
NULL
hello
HELLO MY
a
select distinct d from t1;
d
NULL
hello
HELLO
HELLO MY
a
1
select distinct c from t1 order by c;
c
NULL
a
hello
HELLO MY
select distinct d from t1 order by d;
d
NULL
1
HELLO
HELLO MY
a
hello
select c from t1 group by c;
c
NULL
a
hello
HELLO MY
select d from t1 group by d;
d
NULL
1
HELLO
HELLO MY
a
hello
set tmp_memory_table_size=default;
select distinct * from t1;
t c b d
NULL NULL NULL NULL
hello hello hello hello
HELLO HELLO HELLO HELLO
HELLO MY HELLO MY HELLO MY HELLO MY
a a a a
1 NULL 1
select t,count(*) from t1 group by t;
t count(*)
NULL 2
1
1 1
a 1
hello 2
HELLO MY 1
select b,count(*) from t1 group by b;
b count(*)
NULL 3
1
HELLO 1
HELLO MY 1
a 1
hello 1
select c,count(*) from t1 group by c;
c count(*)
NULL 2
2
a 1
hello 2
HELLO MY 1
select d,count(*) from t1 group by d;
d count(*)
NULL 2
1
1 1
HELLO 1
HELLO MY 1
a 1
hello 1
drop table t1;
create table t1 (a text, key (a(2100)));
Warnings:
Note 1071 Specified key was too long; max key length is 1000 bytes
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` text DEFAULT NULL,
KEY `a` (`a`(1000))
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
CREATE TABLE t1 (
t1_id bigint(21) NOT NULL auto_increment,
_field_72 varchar(128) DEFAULT '' NOT NULL,
_field_95 varchar(32),
_field_115 tinyint(4) DEFAULT '0' NOT NULL,
_field_122 tinyint(4) DEFAULT '0' NOT NULL,
_field_126 tinyint(4),
_field_134 tinyint(4),
PRIMARY KEY (t1_id),
UNIQUE _field_72 (_field_72),
KEY _field_115 (_field_115),
KEY _field_122 (_field_122)
);
INSERT INTO t1 VALUES (1,'admin','21232f297a57a5a743894a0e4a801fc3',0,1,NULL,NULL);
INSERT INTO t1 VALUES (2,'hroberts','7415275a8c95952901e42b13a6b78566',0,1,NULL,NULL);
INSERT INTO t1 VALUES (3,'guest','d41d8cd98f00b204e9800998ecf8427e',1,0,NULL,NULL);
CREATE TABLE t2 (
seq_0_id bigint(21) DEFAULT '0' NOT NULL,
seq_1_id bigint(21) DEFAULT '0' NOT NULL,
PRIMARY KEY (seq_0_id,seq_1_id)
);
INSERT INTO t2 VALUES (1,1);
INSERT INTO t2 VALUES (2,1);
INSERT INTO t2 VALUES (2,2);
CREATE TABLE t3 (
t3_id bigint(21) NOT NULL auto_increment,
_field_131 varchar(128),
_field_133 tinyint(4) DEFAULT '0' NOT NULL,
_field_135 datetime DEFAULT '0000-00-00 00:00:00' NOT NULL,
_field_137 tinyint(4),
_field_139 datetime DEFAULT '0000-00-00 00:00:00' NOT NULL,
_field_140 blob,
_field_142 tinyint(4) DEFAULT '0' NOT NULL,
_field_145 tinyint(4) DEFAULT '0' NOT NULL,
_field_148 tinyint(4) DEFAULT '0' NOT NULL,
PRIMARY KEY (t3_id),
KEY _field_133 (_field_133),
KEY _field_135 (_field_135),
KEY _field_139 (_field_139),
KEY _field_142 (_field_142),
KEY _field_145 (_field_145),
KEY _field_148 (_field_148)
);
INSERT INTO t3 VALUES (1,'test job 1',0,'0000-00-00 00:00:00',0,'1999-02-25 22:43:32','test\r\njob\r\n1',0,0,0);
INSERT INTO t3 VALUES (2,'test job 2',0,'0000-00-00 00:00:00',0,'1999-02-26 21:08:04','',0,0,0);
CREATE TABLE t4 (
seq_0_id bigint(21) DEFAULT '0' NOT NULL,
seq_1_id bigint(21) DEFAULT '0' NOT NULL,
PRIMARY KEY (seq_0_id,seq_1_id)
);
INSERT INTO t4 VALUES (1,1);
INSERT INTO t4 VALUES (2,1);
CREATE TABLE t5 (
t5_id bigint(21) NOT NULL auto_increment,
_field_149 tinyint(4),
_field_156 varchar(128) DEFAULT '' NOT NULL,
_field_157 varchar(128) DEFAULT '' NOT NULL,
_field_158 varchar(128) DEFAULT '' NOT NULL,
_field_159 varchar(128) DEFAULT '' NOT NULL,
_field_160 varchar(128) DEFAULT '' NOT NULL,
_field_161 varchar(128) DEFAULT '' NOT NULL,
PRIMARY KEY (t5_id),
KEY _field_156 (_field_156),
KEY _field_157 (_field_157),
KEY _field_158 (_field_158),
KEY _field_159 (_field_159),
KEY _field_160 (_field_160),
KEY _field_161 (_field_161)
);
INSERT INTO t5 VALUES (1,0,'tomato','','','','','');
INSERT INTO t5 VALUES (2,0,'cilantro','','','','','');
CREATE TABLE t6 (
seq_0_id bigint(21) DEFAULT '0' NOT NULL,
seq_1_id bigint(21) DEFAULT '0' NOT NULL,
PRIMARY KEY (seq_0_id,seq_1_id)
);
INSERT INTO t6 VALUES (1,1);
INSERT INTO t6 VALUES (1,2);
INSERT INTO t6 VALUES (2,2);
CREATE TABLE t7 (
t7_id bigint(21) NOT NULL auto_increment,
_field_143 tinyint(4),
_field_165 varchar(32),
_field_166 smallint(6) DEFAULT '0' NOT NULL,
PRIMARY KEY (t7_id),
KEY _field_166 (_field_166)
);
INSERT INTO t7 VALUES (1,0,'High',1);
INSERT INTO t7 VALUES (2,0,'Medium',2);
INSERT INTO t7 VALUES (3,0,'Low',3);
select replace(t3._field_140, "\r","^M"),t3_id,min(t3._field_131), min(t3._field_135), min(t3._field_139), min(t3._field_137), min(link_alias_142._field_165), min(link_alias_133._field_72), min(t3._field_145), min(link_alias_148._field_156), replace(min(t3._field_140), "\r","^M"),t3.t3_id from t3 left join t4 on t4.seq_0_id = t3.t3_id left join t7 link_alias_142 on t4.seq_1_id = link_alias_142.t7_id left join t6 on t6.seq_0_id = t3.t3_id left join t1 link_alias_133 on t6.seq_1_id = link_alias_133.t1_id left join t2 on t2.seq_0_id = t3.t3_id left join t5 link_alias_148 on t2.seq_1_id = link_alias_148.t5_id where t3.t3_id in (1) group by t3.t3_id order by link_alias_142._field_166, _field_139, link_alias_133._field_72, _field_135, link_alias_148._field_156;
replace(t3._field_140, "\r","^M") t3_id min(t3._field_131) min(t3._field_135) min(t3._field_139) min(t3._field_137) min(link_alias_142._field_165) min(link_alias_133._field_72) min(t3._field_145) min(link_alias_148._field_156) replace(min(t3._field_140), "\r","^M") t3_id
test^M
job^M
1 1 test job 1 0000-00-00 00:00:00 1999-02-25 22:43:32 0 High admin 0 tomato test^M
job^M
1 1
drop table t1,t2,t3,t4,t5,t6,t7;
create table t1 (a blob);
insert into t1 values ("empty"),("");
select a,reverse(a) from t1;
a reverse(a)
empty ytpme
drop table t1;
create table t1 (a blob, key (a(10)));
insert into t1 values ("bye"),("hello"),("hello"),("hello word");
select * from t1 where a like "hello%";
a
hello
hello
hello word
drop table t1;
CREATE TABLE t1 (
f1 int(11) DEFAULT '0' NOT NULL,
f2 varchar(16) DEFAULT '' NOT NULL,
f5 text,
KEY index_name (f1,f2,f5(16))
);
INSERT INTO t1 VALUES (0,'traktor','1111111111111');
INSERT INTO t1 VALUES (1,'traktor','1111111111111111111111111');
select count(*) from t1 where f2='traktor';
count(*)
2
drop table t1;
create table t1 (foobar tinyblob not null, boggle smallint not null, key (foobar(32), boggle));
insert into t1 values ('fish', 10),('bear', 20);
select foobar, boggle from t1 where foobar = 'fish';
foobar boggle
fish 10
select foobar, boggle from t1 where foobar = 'fish' and boggle = 10;
foobar boggle
fish 10
drop table t1;
create table t1 (id integer auto_increment unique,imagem LONGBLOB not null default '');
insert into t1 (id) values (1);
select
charset(load_file('../../std_data/words.dat')),
collation(load_file('../../std_data/words.dat')),
coercibility(load_file('../../std_data/words.dat'));
charset(load_file('../../std_data/words.dat')) collation(load_file('../../std_data/words.dat')) coercibility(load_file('../../std_data/words.dat'))
binary binary 4
explain extended select
charset(load_file('MYSQLTEST_VARDIR/std_data/words.dat')),
collation(load_file('MYSQLTEST_VARDIR/std_data/words.dat')),
coercibility(load_file('MYSQLTEST_VARDIR/std_data/words.dat'));
id select_type table type possible_keys key key_len ref rows filtered Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL NULL No tables used
Warnings:
Note 1003 select charset(load_file('MYSQLTEST_VARDIR/std_data/words.dat')) AS `charset(load_file('MYSQLTEST_VARDIR/std_data/words.dat'))`,collation(load_file('MYSQLTEST_VARDIR/std_data/words.dat')) AS `collation(load_file('MYSQLTEST_VARDIR/std_data/words.dat'))`,coercibility(load_file('MYSQLTEST_VARDIR/std_data/words.dat')) AS `coercibility(load_file('MYSQLTEST_VARDIR/std_data/words.dat'))`
update t1 set imagem=load_file('MYSQLTEST_VARDIR/std_data/words.dat') where id=1;
select if(imagem is null, "ERROR", "OK"),length(imagem) from t1 where id = 1;
if(imagem is null, "ERROR", "OK") length(imagem)
OK 581
drop table t1;
create table t1 select load_file('MYSQLTEST_VARDIR/std_data/words.dat') l;
show full fields from t1;
Field Type Collation Null Key Default Extra Privileges Comment
l longblob NULL YES NULL #
drop table t1;
create table t1 (id integer primary key auto_increment, txt text not null, unique index txt_index (txt (20)));
insert into t1 (txt) values ('Chevy'), ('Chevy ');
ERROR 23000: Duplicate entry 'Chevy ' for key 'txt_index'
insert into t1 (txt) values ('Chevy'), ('CHEVY');
ERROR 23000: Duplicate entry 'Chevy' for key 'txt_index'
alter table t1 drop index txt_index, add index txt_index (txt(20));
insert into t1 (txt) values ('Chevy ');
select * from t1 where txt='Chevy';
id txt
1 Chevy
2 Chevy
select * from t1 where txt='Chevy ';
id txt
1 Chevy
2 Chevy
select * from t1 where txt='Chevy ' or txt='Chevy';
id txt
1 Chevy
2 Chevy
select * from t1 where txt='Chevy' or txt='Chevy ';
id txt
1 Chevy
2 Chevy
select * from t1 where id='1' or id='2';
id txt
1 Chevy
2 Chevy
insert into t1 (txt) values('Ford');
select * from t1 where txt='Chevy' or txt='Chevy ' or txt='Ford';
id txt
1 Chevy
2 Chevy
3 Ford
select * from t1 where txt='Chevy' or txt='Chevy ';
id txt
1 Chevy
2 Chevy
select * from t1 where txt='Chevy' or txt='Chevy ' or txt=' Chevy';
id txt
1 Chevy
2 Chevy
select * from t1 where txt in ('Chevy ','Chevy');
id txt
1 Chevy
2 Chevy
select * from t1 where txt in ('Chevy');
id txt
1 Chevy
2 Chevy
select * from t1 where txt between 'Chevy' and 'Chevy';
id txt
1 Chevy
2 Chevy
select * from t1 where txt between 'Chevy' and 'Chevy' or txt='Chevy ';
id txt
1 Chevy
2 Chevy
select * from t1 where txt between 'Chevy' and 'Chevy ';
id txt
1 Chevy
2 Chevy
select * from t1 where txt < 'Chevy ';
id txt
select * from t1 where txt <= 'Chevy';
id txt
1 Chevy
2 Chevy
select * from t1 where txt > 'Chevy';
id txt
3 Ford
select * from t1 where txt >= 'Chevy';
id txt
1 Chevy
2 Chevy
3 Ford
drop table t1;
create table t1 (id integer primary key auto_increment, txt text, index txt_index (txt (20)));
insert into t1 (txt) values
('Chevy'), ('Chevy '), (NULL), ('Honda'), ('Subaru'), ('Honda');
select * from t1 where txt='Chevy' or txt is NULL;
id txt
1 Chevy
2 Chevy
3 NULL
explain select * from t1 where txt='Chevy' or txt is NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref_or_null txt_index txt_index 23 const 3 Using where
explain select * from t1 FORCE INDEX (`txt_index`) where txt='Chevy' or txt is NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref_or_null txt_index txt_index 23 const 3 Using where
select * from t1 where txt='Chevy ';
id txt
1 Chevy
2 Chevy
select * from t1 where txt='Chevy ' or txt='Chevy';
id txt
1 Chevy
2 Chevy
select * from t1 where txt='Chevy' or txt='Chevy ';
id txt
1 Chevy
2 Chevy
select * from t1 where id='1' or id='2';
id txt
1 Chevy
2 Chevy
insert into t1 (txt) values('Ford');
select * from t1 where txt='Chevy' or txt='Chevy ' or txt='Ford';
id txt
1 Chevy
2 Chevy
7 Ford
select * from t1 where txt='Chevy' or txt='Chevy ';
id txt
1 Chevy
2 Chevy
select * from t1 where txt='Chevy' or txt='Chevy ' or txt=' Chevy';
id txt
1 Chevy
2 Chevy
select * from t1 where txt in ('Chevy ','Chevy');
id txt
1 Chevy
2 Chevy
select * from t1 where txt in ('Chevy');
id txt
1 Chevy
2 Chevy
select * from t1 where txt between 'Chevy' and 'Chevy';
id txt
1 Chevy
2 Chevy
select * from t1 where txt between 'Chevy' and 'Chevy' or txt='Chevy ';
id txt
1 Chevy
2 Chevy
select * from t1 where txt between 'Chevy' and 'Chevy ';
id txt
1 Chevy
2 Chevy
select * from t1 where txt < 'Chevy ';
id txt
select * from t1 where txt < 'Chevy ' or txt is NULL;
id txt
3 NULL
select * from t1 where txt <= 'Chevy';
id txt
1 Chevy
2 Chevy
select * from t1 where txt > 'Chevy';
id txt
4 Honda
5 Subaru
6 Honda
7 Ford
select * from t1 where txt >= 'Chevy';
id txt
1 Chevy
2 Chevy
4 Honda
5 Subaru
6 Honda
7 Ford
alter table t1 modify column txt blob;
explain select * from t1 where txt='Chevy' or txt is NULL;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref_or_null txt_index txt_index 23 const 2 Using where
select * from t1 where txt='Chevy' or txt is NULL;
id txt
1 Chevy
3 NULL
explain select * from t1 where txt='Chevy' or txt is NULL order by txt;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 ref_or_null txt_index txt_index 23 const 2 Using where; Using filesort
select * from t1 where txt='Chevy' or txt is NULL order by txt;
id txt
3 NULL
1 Chevy
drop table t1;
CREATE TABLE t1 ( i int(11) NOT NULL default '0', c text NOT NULL, d varchar(1) NOT NULL DEFAULT ' ', PRIMARY KEY (i), KEY (c(1),d));
INSERT t1 (i, c) VALUES (1,''),(2,''),(3,'asdfh'),(4,'');
select max(i) from t1 where c = '';
max(i)
4
drop table t1;
create table t1 (a int, b int, c tinyblob, d int, e int);
alter table t1 add primary key (a,b,c(255),d);
alter table t1 add key (a,b,d,e);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL,
`b` int(11) NOT NULL,
`c` tinyblob NOT NULL,
`d` int(11) NOT NULL,
`e` int(11) DEFAULT NULL,
PRIMARY KEY (`a`,`b`,`c`(255),`d`),
KEY `a` (`a`,`b`,`d`,`e`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
CREATE table t1 (a blob);
insert into t1 values ('b'),('a\0'),('a'),('a '),('aa'),(NULL);
select hex(a) from t1 order by a;
hex(a)
NULL
61
6100
6120
6161
62
select hex(concat(a,'\0')) as b from t1 order by concat(a,'\0');
b
NULL
6100
610000
612000
616100
6200
alter table t1 modify a varbinary(5);
select hex(a) from t1 order by a;
hex(a)
NULL
61
6100
6120
6161
62
select hex(concat(a,'\0')) as b from t1 order by concat(a,'\0');
b
NULL
6100
610000
612000
616100
6200
alter table t1 modify a char(5);
select hex(a) from t1 order by a;
hex(a)
NULL
6100
61
61
6161
62
select hex(concat(a,'\0')) as b from t1 order by concat(a,'\0');
b
NULL
610000
6100
6100
616100
6200
alter table t1 modify a binary(5);
select hex(a) from t1 order by a;
hex(a)
NULL
6100000000
6100000000
6100000000
6161000000
6200000000
select hex(concat(a,'\0')) as b from t1 order by concat(a,'\0');
b
NULL
610000000000
610000000000
610000000000
616100000000
620000000000
drop table t1;
create table t1 (a text default '');
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` text DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
insert into t1 values (default);
select * from t1;
a
drop table t1;
set @@sql_mode='TRADITIONAL';
create table t1 (a text default '');
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` text DEFAULT ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
set @@sql_mode='';
CREATE TABLE t (c TEXT CHARSET ASCII);
INSERT INTO t (c) VALUES (REPEAT('1',65537));
Warnings:
Warning 1265 Data truncated for column 'c' at row 1
INSERT INTO t (c) VALUES (REPEAT('2',65536));
Warnings:
Warning 1265 Data truncated for column 'c' at row 1
INSERT INTO t (c) VALUES (REPEAT('3',65535));
SELECT LENGTH(c), CHAR_LENGTH(c) FROM t;
LENGTH(c) CHAR_LENGTH(c)
65535 65535
65535 65535
65535 65535
DROP TABLE t;
drop table if exists b15776;
create table b15776 (data blob(2147483647));
drop table b15776;
create table b15776 (data blob(-1));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '-1))' at line 1
create table b15776 (data blob(2147483648));
drop table b15776;
create table b15776 (data blob(4294967294));
drop table b15776;
create table b15776 (data blob(4294967295));
drop table b15776;
create table b15776 (data blob(4294967296));
ERROR 42000: Display width out of range for 'data' (max = 4294967295)
CREATE TABLE b15776 (a blob(2147483647), b blob(2147483648), c blob(4294967295), a1 text(2147483647), b1 text(2147483648), c1 text(4294967295) );
show columns from b15776;
Field Type Null Key Default Extra
a longblob YES NULL
b longblob YES NULL
c longblob YES NULL
a1 longtext YES NULL
b1 longtext YES NULL
c1 longtext YES NULL
drop table b15776;
CREATE TABLE b15776 (a blob(4294967296));
ERROR 42000: Display width out of range for 'a' (max = 4294967295)
CREATE TABLE b15776 (a text(4294967296));
ERROR 42000: Display width out of range for 'a' (max = 4294967295)
CREATE TABLE b15776 (a blob(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
ERROR 42000: Display width out of range for 'a' (max = 4294967295)
CREATE TABLE b15776 (a text(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
ERROR 42000: Display width out of range for 'a' (max = 4294967295)
CREATE TABLE b15776 (a int(0));
INSERT INTO b15776 values (NULL), (1), (42), (654);
SELECT * from b15776 ORDER BY a;
a
NULL
1
42
654
DROP TABLE b15776;
CREATE TABLE b15776 (a int(-1));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '-1))' at line 1
CREATE TABLE b15776 (a int(255));
DROP TABLE b15776;
CREATE TABLE b15776 (a int(256));
ERROR 42000: Display width out of range for 'a' (max = 255)
CREATE TABLE b15776 (data blob(-1));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '-1))' at line 1
CREATE TABLE b15776 (a char(2147483647));
ERROR 42000: Column length too big for column 'a' (max = 255); use BLOB or TEXT instead
CREATE TABLE b15776 (a char(2147483648));
ERROR 42000: Column length too big for column 'a' (max = 255); use BLOB or TEXT instead
CREATE TABLE b15776 (a char(4294967295));
ERROR 42000: Column length too big for column 'a' (max = 255); use BLOB or TEXT instead
CREATE TABLE b15776 (a char(4294967296));
ERROR 42000: Column length too big for column 'a' (max = 255); use BLOB or TEXT instead
CREATE TABLE b15776 (a year(?));
Warnings:
Note 1287 'YEAR(?)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
INSERT INTO b15776 VALUES (42);
SELECT * FROM b15776;
a
2042
DROP TABLE b15776;
CREATE TABLE b15776 (a year(4294967296));
Warnings:
Note 1287 'YEAR(4294967295)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
SHOW CREATE TABLE b15776;
Table Create Table
b15776 CREATE TABLE `b15776` (
`a` year(4) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE b15776;
CREATE TABLE b15776 (a year(0));
Warnings:
Note 1287 'YEAR(0)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
DROP TABLE b15776;
CREATE TABLE b15776 (a year(-2));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '-2))' at line 1
CREATE TABLE b15776 (a timestamp(4294967294));
ERROR 42000: Too big precision specified for 'a'. Maximum is 6
CREATE TABLE b15776 (a timestamp(4294967295));
ERROR 42000: Too big precision specified for 'a'. Maximum is 6
CREATE TABLE b15776 (a timestamp(4294967296));
ERROR 42000: Too big precision specified for 'a'. Maximum is 6
CREATE TABLE b15776 (a timestamp(-1));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '-1))' at line 1
CREATE TABLE b15776 (a timestamp(-2));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '-2))' at line 1
CREATE TABLE b15776 (a int(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
ERROR 42000: Display width out of range for 'a' (max = 255)
CREATE TABLE b15776 (a char(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
ERROR 42000: Column length too big for column 'a' (max = 255); use BLOB or TEXT instead
CREATE TABLE b15776 (a year(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
Warnings:
Note 1287 'YEAR(4294967295)' is deprecated and will be removed in a future release. Please use YEAR(4) instead
SHOW CREATE TABLE b15776;
Table Create Table
b15776 CREATE TABLE `b15776` (
`a` year(4) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE b15776;
CREATE TABLE b15776 select cast(null as char(4294967295));
show columns from b15776;
Field Type Null Key Default Extra
cast(null as char(4294967295)) char(0) YES NULL
drop table b15776;
CREATE TABLE b15776 select cast(null as nchar(4294967295));
show columns from b15776;
Field Type Null Key Default Extra
cast(null as nchar(4294967295)) char(0) YES NULL
drop table b15776;
CREATE TABLE b15776 select cast(null as binary(4294967295));
show columns from b15776;
Field Type Null Key Default Extra
cast(null as binary(4294967295)) binary(0) YES NULL
drop table b15776;
explain select cast(1 as char(4294967295));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
explain select cast(1 as nchar(4294967295));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
explain select cast(1 as binary(4294967295));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
explain select cast(1 as char(4294967296));
ERROR 42000: Display width out of range for '1' (max = 4294967295)
explain select cast(1 as nchar(4294967296));
ERROR 42000: Display width out of range for '1' (max = 4294967295)
explain select cast(1 as binary(4294967296));
ERROR 42000: Display width out of range for '1' (max = 4294967295)
explain select cast(1 as decimal(-1));
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '-1))' at line 1
explain select cast(1 as decimal(64, 30));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
explain select cast(1 as decimal(64, 999999999999999999999999999999));
Got one of the listed errors
explain select cast(1 as decimal(4294967296));
Got one of the listed errors
explain select cast(1 as decimal(999999999999999999999999999999999999));
Got one of the listed errors
explain select convert(1, char(4294967295));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
explain select convert(1, char(4294967296));
ERROR 42000: Display width out of range for '1' (max = 4294967295)
explain select convert(1, char(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
ERROR 42000: Display width out of range for '1' (max = 4294967295)
explain select convert(1, nchar(4294967295));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
explain select convert(1, nchar(4294967296));
ERROR 42000: Display width out of range for '1' (max = 4294967295)
explain select convert(1, nchar(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
ERROR 42000: Display width out of range for '1' (max = 4294967295)
explain select convert(1, binary(4294967295));
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE NULL NULL NULL NULL NULL NULL NULL No tables used
explain select convert(1, binary(4294967296));
ERROR 42000: Display width out of range for '1' (max = 4294967295)
explain select convert(1, binary(999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999));
ERROR 42000: Display width out of range for '1' (max = 4294967295)
End of 5.0 tests
CREATE TABLE t1(id INT NOT NULL);
CREATE TABLE t2(id INT NOT NULL, c TEXT NOT NULL);
INSERT INTO t1 VALUES (1);
INSERT INTO t2 VALUES (1, '');
UPDATE t2 SET c = REPEAT('1', 70000);
Warnings:
Warning 1265 Data truncated for column 'c' at row 1
SELECT LENGTH(c) FROM t2;
LENGTH(c)
65535
UPDATE t1 LEFT JOIN t2 USING(id) SET t2.c = REPEAT('1', 70000) WHERE t1.id = 1;
Warnings:
Warning 1265 Data truncated for column 'c' at row 1
SELECT LENGTH(c) FROM t2;
LENGTH(c)
65535
DROP TABLE t1, t2;
# Bug #52160: crash and inconsistent results when grouping
# by a function and column
CREATE FUNCTION f1() RETURNS TINYBLOB RETURN 1;
CREATE TABLE t1(a CHAR(1));
INSERT INTO t1 VALUES ('0'), ('0');
SELECT COUNT(*) FROM t1 GROUP BY f1(), a;
COUNT(*)
2
DROP FUNCTION f1;
DROP TABLE t1;
End of 5.1 tests
#
# Start of 5.5 tests
#
CREATE TABLE t1 ( f1 blob, f2 blob );
INSERT INTO t1 VALUES ('','');
SELECT f1,f2,"found row" FROM t1 WHERE f1 = f2 ;
f1 f2 found row
found row
DROP TABLE t1;
#
# MDEV-9319 ALTER from a bigger to a smaller blob type truncates too much data
#
CREATE TABLE t1 (a MEDIUMBLOB);
INSERT INTO t1 VALUES (REPEAT(0x61,128000));
SELECT LENGTH(a) FROM t1;
LENGTH(a)
128000
ALTER TABLE t1 MODIFY a BLOB;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
SELECT LENGTH(a) FROM t1;
LENGTH(a)
65535
DROP TABLE t1;
CREATE TABLE t1 (a BLOB);
INSERT INTO t1 VALUES (REPEAT(0x61,65000));
SELECT LENGTH(a) FROM t1;
LENGTH(a)
65000
ALTER TABLE t1 MODIFY a TINYBLOB;
Warnings:
Warning 1265 Data truncated for column 'a' at row 1
SELECT LENGTH(a) FROM t1;
LENGTH(a)
255
DROP TABLE t1;
#
# End of 5.5 tests
#
#
# Start of 10.2 test
#
#
# MDEV-12809 Bad column type created for TEXT(1431655798) CHARACTER SET utf8
#
CREATE TABLE t1 (a TEXT(1431655798) CHARACTER SET utf8);
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` longtext CHARACTER SET utf8mb3 DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
create table t1 (a int);
alter table t1 add column b blob, alter column b set default "foo";
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) DEFAULT NULL,
`b` blob DEFAULT 'foo'
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
#
# End of 10.2 test
#
#
# Start of 10.4 test
#
#
# MDEV-19317 TEXT column accepts too long literals as a default value
#
EXECUTE IMMEDIATE 'CREATE OR REPLACE TABLE t1 (a TINYTEXT DEFAULT ?)' USING REPEAT('a', 255);
INSERT INTO t1 VALUES ();
SELECT LENGTH(a), LENGTH(DEFAULT(a)) FROM t1;
LENGTH(a) LENGTH(DEFAULT(a))
255 255
DROP TABLE t1;
EXECUTE IMMEDIATE 'CREATE OR REPLACE TABLE t1 (a TINYTEXT DEFAULT ?)' USING REPEAT('a', 256);
ERROR 42000: Invalid default value for 'a'
CREATE OR REPLACE TABLE t1 (a TINYTEXT DEFAULT 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa');
ERROR 42000: Invalid default value for 'a'
EXECUTE IMMEDIATE 'CREATE OR REPLACE TABLE t1 (a TEXT DEFAULT ?)' USING REPEAT('a', 256);
INSERT INTO t1 VALUES ();
SELECT LENGTH(a), LENGTH(DEFAULT(a)) FROM t1;
LENGTH(a) LENGTH(DEFAULT(a))
256 256
DROP TABLE t1;
CREATE OR REPLACE TABLE t1 (a TEXT DEFAULT 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa');
INSERT INTO t1 VALUES ();
SELECT LENGTH(a), LENGTH(DEFAULT(a)) FROM t1;
LENGTH(a) LENGTH(DEFAULT(a))
256 256
DROP TABLE t1;
#
# ASAN heap-use-after-free in my_hash_sort_bin or ER_KEY_NOT_FOUND
# upon INSERT into table with long unique blob
#
SET @save_sql_mode=@@sql_mode;
SET SQL_MODE='STRICT_ALL_TABLES';
CREATE TABLE t1 (a INT, b BLOB) ENGINE=innodb;
INSERT INTO t1 VALUES (1,'foo'),(2,'bar');
CREATE TABLE t2 (c BIT, d BLOB, UNIQUE(d)) ENGINE=innodb;
INSERT INTO t2 SELECT * FROM t1;
ERROR 22001: Data too long for column 'c' at row 2
select * from t2;
c d
DROP TABLE t1, t2;
SET @@sql_mode=@save_sql_mode;
#
# End of 10.4 test
#
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