2005-11-07 07:23:43 +01:00
drop table if exists t1,t2,t3,t4,t5;
2004-08-31 13:35:04 +02:00
drop database if exists mysqltest;
2001-09-28 07:05:54 +02:00
create table t1 (b char(0));
insert into t1 values (""),(null);
select * from t1;
2000-12-28 02:56:38 +01:00
b
NULL
2001-09-28 07:05:54 +02:00
drop table if exists t1;
create table t1 (b char(0) not null);
create table if not exists t1 (b char(0) not null);
2005-09-12 14:09:19 +02:00
Warnings:
Note 1050 Table 't1' already exists
2001-09-28 07:05:54 +02:00
insert into t1 values (""),(null);
2003-04-30 09:07:37 +02:00
Warnings:
2004-06-16 05:18:20 +02:00
Warning 1263 Data truncated; NULL supplied to NOT NULL column 'b' at row 2
2001-09-28 07:05:54 +02:00
select * from t1;
2000-12-28 02:56:38 +01:00
b
2003-10-16 07:34:17 +02:00
drop table t1;
2003-12-10 05:31:42 +01:00
create table t1 (a int not null auto_increment,primary key (a)) engine=heap;
2003-01-06 00:48:59 +01:00
drop table t1;
2003-12-10 05:31:42 +01:00
create table t2 engine=heap select * from t1;
2003-06-04 17:28:51 +02:00
ERROR 42S02: Table 'test.t1' doesn't exist
2001-09-28 07:05:54 +02:00
create table t2 select auto+1 from t1;
2003-06-04 17:28:51 +02:00
ERROR 42S02: Table 'test.t1' doesn't exist
2001-09-28 07:05:54 +02:00
drop table if exists t1,t2;
2003-01-06 00:48:59 +01:00
Warnings:
Note 1051 Unknown table 't1'
Note 1051 Unknown table 't2'
2001-09-28 07:05:54 +02:00
create table t1 (b char(0) not null, index(b));
2003-06-04 17:28:51 +02:00
ERROR 42000: The used storage engine can't index column 'b'
2003-12-10 05:31:42 +01:00
create table t1 (a int not null,b text) engine=heap;
2003-06-04 17:28:51 +02:00
ERROR 42000: The used table type doesn't support BLOB/TEXT columns
2001-09-28 07:05:54 +02:00
drop table if exists t1;
2003-10-16 07:34:17 +02:00
Warnings:
Note 1051 Unknown table 't1'
2003-12-10 05:31:42 +01:00
create table t1 (ordid int(8) not null auto_increment, ord varchar(50) not null, primary key (ord,ordid)) engine=heap;
2004-06-15 22:38:36 +02:00
ERROR 42000: Incorrect table definition; there can be only one auto column and it must be defined as a key
2001-09-28 07:05:54 +02:00
create table not_existing_database.test (a int);
2005-07-22 05:08:54 +02:00
ERROR 42000: Unknown database 'not_existing_database'
2001-09-28 07:05:54 +02:00
create table `a/a` (a int);
2003-06-04 17:28:51 +02:00
ERROR 42000: Incorrect table name 'a/a'
2001-09-28 07:05:54 +02:00
create table `aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa` (aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa int);
2003-06-04 17:28:51 +02:00
ERROR 42000: Incorrect table name 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
2001-09-28 07:05:54 +02:00
create table a (`aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa` int);
2003-06-04 17:28:51 +02:00
ERROR 42000: Identifier name 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa' is too long
2004-04-02 08:12:53 +02:00
create table test (a datetime default now());
ERROR 42000: Invalid default value for 'a'
create table test (a datetime on update now());
2004-06-16 05:18:20 +02:00
ERROR HY000: Invalid ON UPDATE clause for 'a' column
2004-04-02 08:12:53 +02:00
create table test (a int default 100 auto_increment);
ERROR 42000: Invalid default value for 'a'
2001-09-28 07:05:54 +02:00
create table 1ea10 (1a20 int,1e int);
insert into 1ea10 values(1,1);
select 1ea10.1a20,1e+ 1e+10 from 1ea10;
2000-12-28 02:56:38 +01:00
1a20 1e+ 1e+10
1 10000000001
2001-09-28 07:05:54 +02:00
drop table 1ea10;
create table t1 (t1.index int);
drop table t1;
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drop database if exists mysqltest;
2003-01-06 00:48:59 +01:00
Warnings:
2004-08-31 13:35:04 +02:00
Note 1008 Can't drop database 'mysqltest'; database doesn't exist
create database mysqltest;
create table mysqltest.$test1 (a$1 int, $b int, c$ int);
insert into mysqltest.$test1 values (1,2,3);
select a$1, $b, c$ from mysqltest.$test1;
2000-12-28 02:56:38 +01:00
a$1 $b c$
1 2 3
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create table mysqltest.test2$ (a int);
drop table mysqltest.test2$;
drop database mysqltest;
2003-03-16 15:28:30 +01:00
create table `` (a int);
2003-06-04 17:28:51 +02:00
ERROR 42000: Incorrect table name ''
2003-03-16 15:28:30 +01:00
drop table if exists ``;
2003-06-04 17:28:51 +02:00
ERROR 42000: Incorrect table name ''
2003-03-16 15:28:30 +01:00
create table t1 (`` int);
2003-06-04 17:28:51 +02:00
ERROR 42000: Incorrect column name ''
2003-10-16 17:33:44 +02:00
create table t1 (i int, index `` (i));
2003-10-16 22:15:45 +02:00
ERROR 42000: Incorrect index name ''
2001-09-28 07:05:54 +02:00
create table t1 (a int auto_increment not null primary key, B CHAR(20));
insert into t1 (b) values ("hello"),("my"),("world");
create table t2 (key (b)) select * from t1;
explain select * from t2 where b="world";
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id select_type table type possible_keys key key_len ref rows Extra
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1 SIMPLE t2 ref B B 21 const 1 Using where
2001-09-28 07:05:54 +02:00
select * from t2 where b="world";
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a B
3 world
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drop table t1,t2;
2001-11-18 13:13:09 +01:00
create table t1(x varchar(50) );
create table t2 select x from t1 where 1=2;
describe t1;
2003-06-02 14:19:06 +02:00
Field Type Null Key Default Extra
x varchar(50) YES NULL
2001-11-18 13:13:09 +01:00
describe t2;
2003-06-02 14:19:06 +02:00
Field Type Null Key Default Extra
2003-10-03 23:54:32 +02:00
x varchar(50) YES NULL
2001-12-29 14:15:51 +01:00
drop table t2;
create table t2 select now() as a , curtime() as b, curdate() as c , 1+1 as d , 1.0 + 1 as e , 33333333333333333 + 3 as f;
describe t2;
2003-06-02 14:19:06 +02:00
Field Type Null Key Default Extra
a datetime 0000-00-00 00:00:00
b time 00:00:00
c date 0000-00-00
d bigint(17) 0
e double(18,1) 0.0
f bigint(17) 0
2001-12-29 19:56:50 +01:00
drop table t2;
2002-01-02 23:46:43 +01:00
create table t2 select CAST("2001-12-29" AS DATE) as d, CAST("20:45:11" AS TIME) as t, CAST("2001-12-29 20:45:11" AS DATETIME) as dt;
2001-12-29 19:56:50 +01:00
describe t2;
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Field Type Null Key Default Extra
2004-03-09 21:03:01 +01:00
d date YES NULL
t time YES NULL
dt datetime YES NULL
2001-11-18 13:13:09 +01:00
drop table t1,t2;
2002-07-20 16:36:56 +02:00
create table t1 (a tinyint);
create table t2 (a int) select * from t1;
describe t1;
2003-06-02 14:19:06 +02:00
Field Type Null Key Default Extra
a tinyint(4) YES NULL
2002-07-20 16:36:56 +02:00
describe t2;
2003-06-02 14:19:06 +02:00
Field Type Null Key Default Extra
a int(11) YES NULL
2002-07-20 16:36:56 +02:00
drop table if exists t2;
create table t2 (a int, a float) select * from t1;
2003-06-04 17:28:51 +02:00
ERROR 42S21: Duplicate column name 'a'
2002-07-20 16:36:56 +02:00
drop table if exists t2;
2003-01-06 00:48:59 +01:00
Warnings:
Note 1051 Unknown table 't2'
2002-07-20 16:36:56 +02:00
create table t2 (a int) select a as b, a+1 as b from t1;
2003-06-04 17:28:51 +02:00
ERROR 42S21: Duplicate column name 'b'
2002-07-20 16:36:56 +02:00
drop table if exists t2;
2003-01-06 00:48:59 +01:00
Warnings:
Note 1051 Unknown table 't2'
2002-07-20 16:36:56 +02:00
create table t2 (b int) select a as b, a+1 as b from t1;
2003-06-04 17:28:51 +02:00
ERROR 42S21: Duplicate column name 'b'
2002-07-20 16:36:56 +02:00
drop table if exists t1,t2;
2003-01-06 00:48:59 +01:00
Warnings:
Note 1051 Unknown table 't2'
2003-10-08 17:53:31 +02:00
CREATE TABLE t1 (a int not null);
INSERT INTO t1 values (1),(2),(1);
CREATE TABLE t2 (primary key(a)) SELECT * FROM t1;
ERROR 23000: Duplicate entry '1' for key 1
SELECT * from t2;
ERROR 42S02: Table 'test.t2' doesn't exist
DROP TABLE t1;
DROP TABLE IF EXISTS t2;
Warnings:
Note 1051 Unknown table 't2'
2002-03-13 00:02:45 +01:00
create table t1 (a int not null, b int, primary key(a), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b), key (b));
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL default '0',
`b` int(11) default NULL,
PRIMARY KEY (`a`),
2004-05-11 23:29:52 +02:00
KEY `b` (`b`),
KEY `b_2` (`b`),
KEY `b_3` (`b`),
KEY `b_4` (`b`),
KEY `b_5` (`b`),
KEY `b_6` (`b`),
KEY `b_7` (`b`),
KEY `b_8` (`b`),
KEY `b_9` (`b`),
KEY `b_10` (`b`),
KEY `b_11` (`b`),
KEY `b_12` (`b`),
KEY `b_13` (`b`),
KEY `b_14` (`b`),
KEY `b_15` (`b`),
KEY `b_16` (`b`),
KEY `b_17` (`b`),
KEY `b_18` (`b`),
KEY `b_19` (`b`),
KEY `b_20` (`b`),
KEY `b_21` (`b`),
KEY `b_22` (`b`),
KEY `b_23` (`b`),
KEY `b_24` (`b`),
KEY `b_25` (`b`),
KEY `b_26` (`b`),
KEY `b_27` (`b`),
KEY `b_28` (`b`),
KEY `b_29` (`b`),
KEY `b_30` (`b`),
KEY `b_31` (`b`)
2003-12-10 05:31:42 +01:00
) ENGINE=MyISAM DEFAULT CHARSET=latin1
2002-03-13 00:02:45 +01:00
drop table t1;
2002-08-07 21:35:47 +02:00
create table t1 select if(1,'1','0'), month("2002-08-02");
drop table t1;
2002-09-04 14:24:27 +02:00
create table t1 select if('2002'='2002','Y','N');
select * from t1;
if('2002'='2002','Y','N')
Y
drop table if exists t1;
2003-12-17 23:52:03 +01:00
SET SESSION storage_engine="heap";
SELECT @@storage_engine;
@@storage_engine
2003-03-19 20:43:41 +01:00
HEAP
CREATE TABLE t1 (a int not null);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL default '0'
2003-12-10 05:31:42 +01:00
) ENGINE=HEAP DEFAULT CHARSET=latin1
2003-03-19 20:43:41 +01:00
drop table t1;
2003-12-17 23:52:03 +01:00
SET SESSION storage_engine="gemini";
2003-12-02 21:23:13 +01:00
ERROR 42000: Unknown table engine 'gemini'
2003-12-17 23:52:03 +01:00
SELECT @@storage_engine;
@@storage_engine
2003-12-02 21:23:13 +01:00
HEAP
2003-03-19 20:43:41 +01:00
CREATE TABLE t1 (a int not null);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL default '0'
2003-12-10 05:31:42 +01:00
) ENGINE=HEAP DEFAULT CHARSET=latin1
2003-12-17 23:52:03 +01:00
SET SESSION storage_engine=default;
2003-03-19 20:43:41 +01:00
drop table t1;
2003-05-13 19:16:30 +02:00
create table t1 ( k1 varchar(2), k2 int, primary key(k1,k2));
insert into t1 values ("a", 1), ("b", 2);
insert into t1 values ("c", NULL);
2003-06-04 17:28:51 +02:00
ERROR 23000: Column 'k2' cannot be null
2003-05-13 19:16:30 +02:00
insert into t1 values (NULL, 3);
2003-06-04 17:28:51 +02:00
ERROR 23000: Column 'k1' cannot be null
2003-05-13 19:16:30 +02:00
insert into t1 values (NULL, NULL);
2003-06-04 17:28:51 +02:00
ERROR 23000: Column 'k1' cannot be null
2003-05-13 19:16:30 +02:00
drop table t1;
2003-10-16 07:16:39 +02:00
create table t1 select x'4132';
drop table t1;
2003-10-06 20:11:39 +02:00
create table t1 select 1,2,3;
create table if not exists t1 select 1,2;
2005-09-12 14:09:19 +02:00
Warnings:
Note 1050 Table 't1' already exists
2003-10-06 20:11:39 +02:00
create table if not exists t1 select 1,2,3,4;
2003-10-16 07:16:39 +02:00
ERROR 21S01: Column count doesn't match value count at row 1
2003-10-06 20:11:39 +02:00
create table if not exists t1 select 1;
2005-09-12 14:09:19 +02:00
Warnings:
Note 1050 Table 't1' already exists
2003-10-06 20:11:39 +02:00
select * from t1;
1 2 3
1 2 3
0 1 2
0 0 1
drop table t1;
2003-10-15 20:41:13 +02:00
create table t1 (a int not null, b int, primary key (a));
insert into t1 values (1,1);
create table if not exists t1 select 2;
2005-09-12 14:09:19 +02:00
Warnings:
Note 1050 Table 't1' already exists
2003-10-15 20:41:13 +02:00
select * from t1;
a b
1 1
0 2
create table if not exists t1 select 3 as 'a',4 as 'b';
2005-09-12 14:09:19 +02:00
Warnings:
Note 1050 Table 't1' already exists
2003-10-15 20:41:13 +02:00
create table if not exists t1 select 3 as 'a',3 as 'b';
2003-10-16 07:16:39 +02:00
ERROR 23000: Duplicate entry '3' for key 1
2003-10-15 20:41:13 +02:00
select * from t1;
a b
1 1
0 2
3 4
drop table t1;
2004-03-05 19:13:33 +01:00
create table `t1 `(a int);
2004-03-17 23:09:13 +01:00
ERROR 42000: Incorrect table name 't1 '
2004-03-05 19:13:33 +01:00
create database `db1 `;
2004-03-17 23:09:13 +01:00
ERROR 42000: Incorrect database name 'db1 '
2004-03-05 19:13:33 +01:00
create table t1(`a ` int);
2004-03-17 23:09:13 +01:00
ERROR 42000: Incorrect column name 'a '
2004-04-28 17:14:53 +02:00
create table t1 (a int,);
2004-06-16 05:18:20 +02:00
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1
2004-04-28 17:14:53 +02:00
create table t1 (a int,,b int);
2004-06-16 05:18:20 +02:00
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'b int)' at line 1
2004-04-28 17:14:53 +02:00
create table t1 (,b int);
2004-06-16 05:18:20 +02:00
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'b int)' at line 1
2002-11-18 17:28:51 +01:00
create table t1 (a int, key(a));
create table t2 (b int, foreign key(b) references t1(a), key(b));
drop table if exists t1,t2;
2002-12-28 10:38:29 +01:00
create table t1(id int not null, name char(20));
insert into t1 values(10,'mysql'),(20,'monty- the creator');
create table t2(id int not null);
insert into t2 values(10),(20);
create table t3 like t1;
show create table t3;
Table Create Table
t3 CREATE TABLE `t3` (
`id` int(11) NOT NULL default '0',
2003-01-14 13:28:36 +01:00
`name` char(20) default NULL
2003-12-10 05:31:42 +01:00
) ENGINE=MyISAM DEFAULT CHARSET=latin1
2002-12-28 10:38:29 +01:00
select * from t3;
id name
create table if not exists t3 like t1;
Warnings:
Warning 1050 Table 't3' already exists
select @@warning_count;
@@warning_count
1
create temporary table t3 like t2;
show create table t3;
Table Create Table
t3 CREATE TEMPORARY TABLE `t3` (
`id` int(11) NOT NULL default '0'
2003-12-10 05:31:42 +01:00
) ENGINE=MyISAM DEFAULT CHARSET=latin1
2002-12-28 10:38:29 +01:00
select * from t3;
id
drop table t3;
show create table t3;
Table Create Table
t3 CREATE TABLE `t3` (
`id` int(11) NOT NULL default '0',
2003-01-14 13:28:36 +01:00
`name` char(20) default NULL
2003-12-10 05:31:42 +01:00
) ENGINE=MyISAM DEFAULT CHARSET=latin1
2002-12-28 10:38:29 +01:00
select * from t3;
id name
2002-12-31 00:10:10 +01:00
drop table t2, t3;
2004-08-31 13:35:04 +02:00
create database mysqltest;
create table mysqltest.t3 like t1;
create temporary table t3 like mysqltest.t3;
2002-12-28 10:38:29 +01:00
show create table t3;
Table Create Table
t3 CREATE TEMPORARY TABLE `t3` (
`id` int(11) NOT NULL default '0',
2003-01-14 13:28:36 +01:00
`name` char(20) default NULL
2003-12-10 05:31:42 +01:00
) ENGINE=MyISAM DEFAULT CHARSET=latin1
2002-12-31 00:10:10 +01:00
create table t2 like t3;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`id` int(11) NOT NULL default '0',
2003-01-14 13:28:36 +01:00
`name` char(20) default NULL
2003-12-10 05:31:42 +01:00
) ENGINE=MyISAM DEFAULT CHARSET=latin1
2002-12-31 00:10:10 +01:00
select * from t2;
id name
2002-12-28 10:38:29 +01:00
create table t3 like t1;
2004-08-31 13:35:04 +02:00
create table t3 like mysqltest.t3;
2003-06-04 17:28:51 +02:00
ERROR 42S01: Table 't3' already exists
2002-12-28 10:38:29 +01:00
create table non_existing_database.t1 like t1;
2005-07-22 05:08:54 +02:00
ERROR 42000: Unknown database 'non_existing_database'
2002-12-28 10:38:29 +01:00
create table t3 like non_existing_table;
2003-06-04 17:28:51 +02:00
ERROR 42S02: Unknown table 'non_existing_table'
2002-12-28 10:38:29 +01:00
create temporary table t3 like t1;
2003-06-04 17:28:51 +02:00
ERROR 42S01: Table 't3' already exists
2002-12-31 00:10:10 +01:00
create table t3 like `a/a`;
2003-06-04 17:28:51 +02:00
ERROR 42000: Incorrect table name 'a/a'
2002-12-28 10:38:29 +01:00
drop table t1, t2, t3;
drop table t3;
2004-08-31 13:35:04 +02:00
drop database mysqltest;
2003-12-17 23:52:03 +01:00
SET SESSION storage_engine="heap";
SELECT @@storage_engine;
@@storage_engine
2003-03-19 20:43:41 +01:00
HEAP
CREATE TABLE t1 (a int not null);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL default '0'
2003-12-10 05:31:42 +01:00
) ENGINE=HEAP DEFAULT CHARSET=latin1
2003-03-19 20:43:41 +01:00
drop table t1;
2003-12-17 23:52:03 +01:00
SET SESSION storage_engine="gemini";
2003-12-02 21:23:13 +01:00
ERROR 42000: Unknown table engine 'gemini'
2003-12-17 23:52:03 +01:00
SELECT @@storage_engine;
@@storage_engine
2003-12-02 21:23:13 +01:00
HEAP
2003-03-19 20:43:41 +01:00
CREATE TABLE t1 (a int not null);
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` int(11) NOT NULL default '0'
2003-12-10 05:31:42 +01:00
) ENGINE=HEAP DEFAULT CHARSET=latin1
2003-12-17 23:52:03 +01:00
SET SESSION storage_engine=default;
2003-03-19 20:43:41 +01:00
drop table t1;
2003-08-28 01:11:54 +02:00
create table t1(a int,b int,c int unsigned,d date,e char,f datetime,g time,h blob);
insert into t1(a)values(1);
insert into t1(a,b,c,d,e,f,g,h)
values(2,-2,2,'1825-12-14','a','2003-1-1 3:2:1','4:3:2','binary data');
select * from t1;
a b c d e f g h
1 NULL NULL NULL NULL NULL NULL NULL
2 -2 2 1825-12-14 a 2003-01-01 03:02:01 04:03:02 binary data
select a,
ifnull(b,cast(-7 as signed)) as b,
ifnull(c,cast(7 as unsigned)) as c,
ifnull(d,cast('2000-01-01' as date)) as d,
ifnull(e,cast('b' as char)) as e,
ifnull(f,cast('2000-01-01' as datetime)) as f,
ifnull(g,cast('5:4:3' as time)) as g,
ifnull(h,cast('yet another binary data' as binary)) as h,
addtime(cast('1:0:0' as time),cast('1:0:0' as time)) as dd
from t1;
a b c d e f g h dd
1 -7 7 2000-01-01 b 2000-01-01 00:00:00 05:04:03 yet another binary data 02:00:00
2 -2 2 1825-12-14 a 2003-01-01 03:02:01 04:03:02 binary data 02:00:00
create table t2
select
a,
ifnull(b,cast(-7 as signed)) as b,
ifnull(c,cast(7 as unsigned)) as c,
ifnull(d,cast('2000-01-01' as date)) as d,
ifnull(e,cast('b' as char)) as e,
ifnull(f,cast('2000-01-01' as datetime)) as f,
ifnull(g,cast('5:4:3' as time)) as g,
ifnull(h,cast('yet another binary data' as binary)) as h,
addtime(cast('1:0:0' as time),cast('1:0:0' as time)) as dd
from t1;
explain t2;
Field Type Null Key Default Extra
a int(11) YES NULL
b bigint(11) 0
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c bigint(11) 0
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d date YES NULL
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e char(1)
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f datetime YES NULL
g time YES NULL
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h longblob
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dd time YES NULL
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select * from t2;
a b c d e f g h dd
1 -7 7 2000-01-01 b 2000-01-01 00:00:00 05:04:03 yet another binary data 02:00:00
2 -2 2 1825-12-14 a 2003-01-01 03:02:01 04:03:02 binary data 02:00:00
drop table t1, t2;
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create table t1 (a tinyint, b smallint, c mediumint, d int, e bigint, f float(3,2), g double(4,3), h decimal(5,4), i year, j date, k timestamp, l datetime, m enum('a','b'), n set('a','b'), o char(10));
create table t2 select ifnull(a,a), ifnull(b,b), ifnull(c,c), ifnull(d,d), ifnull(e,e), ifnull(f,f), ifnull(g,g), ifnull(h,h), ifnull(i,i), ifnull(j,j), ifnull(k,k), ifnull(l,l), ifnull(m,m), ifnull(n,n), ifnull(o,o) from t1;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`ifnull(a,a)` tinyint(4) default NULL,
`ifnull(b,b)` smallint(6) default NULL,
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`ifnull(c,c)` mediumint(8) default NULL,
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`ifnull(d,d)` int(11) default NULL,
`ifnull(e,e)` bigint(20) default NULL,
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`ifnull(f,f)` float(24,2) default NULL,
`ifnull(g,g)` double(53,3) default NULL,
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`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(l,l)` datetime default NULL,
`ifnull(m,m)` char(1) default NULL,
`ifnull(n,n)` char(3) default NULL,
`ifnull(o,o)` char(10) default NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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drop table t1,t2;
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create table t1(str varchar(10) default 'def',strnull varchar(10),intg int default '10',rel double default '3.14');
insert into t1 values ('','',0,0.0);
describe t1;
Field Type Null Key Default Extra
str varchar(10) YES def
strnull varchar(10) YES NULL
intg int(11) YES 10
rel double YES 3.14
create table t2 select default(str) as str, default(strnull) as strnull, default(intg) as intg, default(rel) as rel from t1;
describe t2;
Field Type Null Key Default Extra
str varchar(10) YES NULL
strnull varchar(10) YES NULL
intg int(11) YES NULL
rel double YES NULL
drop table t1, t2;
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create table t1(name varchar(10), age smallint default -1);
describe t1;
Field Type Null Key Default Extra
name varchar(10) YES NULL
age smallint(6) YES -1
create table t2(name varchar(10), age smallint default - 1);
describe t2;
Field Type Null Key Default Extra
name varchar(10) YES NULL
age smallint(6) YES -1
drop table t1, t2;
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create table t1(cenum enum('a'), cset set('b'));
create table t2(cenum enum('a','a'), cset set('b','b'));
Warnings:
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Note 1291 Column 'cenum' has duplicated value 'a' in ENUM
Note 1291 Column 'cset' has duplicated value 'b' in SET
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create table t3(cenum enum('a','A','a','c','c'), cset set('b','B','b','d','d'));
Warnings:
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Note 1291 Column 'cenum' has duplicated value 'a' in ENUM
Note 1291 Column 'cenum' has duplicated value 'A' in ENUM
Note 1291 Column 'cenum' has duplicated value 'c' in ENUM
Note 1291 Column 'cset' has duplicated value 'b' in SET
Note 1291 Column 'cset' has duplicated value 'B' in SET
Note 1291 Column 'cset' has duplicated value 'd' in SET
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drop table t1, t2, t3;
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create database mysqltest;
use mysqltest;
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select database();
database()
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mysqltest
drop database mysqltest;
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select database();
database()
NULL
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select database(), user();
database() user()
NULL mysqltest_1@localhost
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use test;
create table t1 (a int, index `primary` (a));
ERROR 42000: Incorrect index name 'primary'
create table t1 (a int, index `PRIMARY` (a));
ERROR 42000: Incorrect index name 'PRIMARY'
create table t1 (`primary` int, index(`primary`));
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`primary` int(11) default NULL,
KEY `primary_2` (`primary`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
create table t2 (`PRIMARY` int, index(`PRIMARY`));
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`PRIMARY` int(11) default NULL,
KEY `PRIMARY_2` (`PRIMARY`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
create table t3 (a int);
alter table t3 add index `primary` (a);
ERROR 42000: Incorrect index name 'primary'
alter table t3 add index `PRIMARY` (a);
ERROR 42000: Incorrect index name 'PRIMARY'
create table t4 (`primary` int);
alter table t4 add index(`primary`);
show create table t4;
Table Create Table
t4 CREATE TABLE `t4` (
`primary` int(11) default NULL,
KEY `primary_2` (`primary`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
create table t5 (`PRIMARY` int);
alter table t5 add index(`PRIMARY`);
show create table t5;
Table Create Table
t5 CREATE TABLE `t5` (
`PRIMARY` int(11) default NULL,
KEY `PRIMARY_2` (`PRIMARY`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1, t2, t3, t4, t5;
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CREATE TABLE t1(id varchar(10) NOT NULL PRIMARY KEY, dsc longtext);
INSERT INTO t1 VALUES ('5000000001', NULL),('5000000003', 'Test'),('5000000004', NULL);
CREATE TABLE t2(id varchar(15) NOT NULL, proc varchar(100) NOT NULL, runID varchar(16) NOT NULL, start datetime NOT NULL, PRIMARY KEY (id,proc,runID,start));
INSERT INTO t2 VALUES ('5000000001', 'proc01', '20031029090650', '2003-10-29 13:38:40'),('5000000001', 'proc02', '20031029090650', '2003-10-29 13:38:51'),('5000000001', 'proc03', '20031029090650', '2003-10-29 13:38:11'),('5000000002', 'proc09', '20031024013310', '2003-10-24 01:33:11'),('5000000002', 'proc09', '20031024153537', '2003-10-24 15:36:04'),('5000000004', 'proc01', '20031024013641', '2003-10-24 01:37:29'),('5000000004', 'proc02', '20031024013641', '2003-10-24 01:37:39');
CREATE TABLE t3 SELECT t1.dsc,COUNT(DISTINCT t2.id) AS countOfRuns FROM t1 LEFT JOIN t2 ON (t1.id=t2.id) GROUP BY t1.id;
SELECT * FROM t3;
dsc countOfRuns
NULL 1
Test 0
NULL 1
drop table t1, t2, t3;
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create table t1 (b bool not null default false);
create table t2 (b bool not null default true);
insert into t1 values ();
insert into t2 values ();
select * from t1;
b
0
select * from t2;
b
1
drop table t1,t2;
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create table t1 (a int);
create table t1 select * from t1;
ERROR HY000: You can't specify target table 't1' for update in FROM clause
create table t2 union = (t1) select * from t1;
ERROR HY000: You can't specify target table 't1' for update in FROM clause
flush tables with read lock;
unlock tables;
drop table t1;
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create table t1(column.name int);
ERROR 42000: Incorrect table name 'column'
create table t1(test.column.name int);
ERROR 42000: Incorrect table name 'column'
create table t1(xyz.t1.name int);
ERROR 42000: Incorrect database name 'xyz'
create table t1(t1.name int);
create table t2(test.t2.name int);
drop table t1,t2;
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CREATE TABLE t1 (f1 VARCHAR(255) CHARACTER SET utf8);
CREATE TABLE t2 AS SELECT LEFT(f1,86) AS f2 FROM t1 UNION SELECT LEFT(f1,86)
AS f2 FROM t1;
DESC t2;
Field Type Null Key Default Extra
f2 varchar(86) YES NULL
DROP TABLE t1,t2;
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CREATE TABLE t12913 (f1 ENUM ('a','b')) AS SELECT 'a' AS f1;
SELECT * FROM t12913;
f1
a
DROP TABLE t12913;
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create database mysqltest;
use mysqltest;
drop database mysqltest;
create table test.t1 like x;
ERROR 42000: Incorrect database name 'NULL'
drop table if exists test.t1;
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create database mysqltest;
create database if not exists mysqltest character set latin2;
Warnings:
Note 1007 Can't create database 'mysqltest'; database exists
show create database mysqltest;
Database Create Database
mysqltest CREATE DATABASE `mysqltest` /*!40100 DEFAULT CHARACTER SET latin1 */
drop database mysqltest;
use test;
create table t1 (a int);
create table if not exists t1 (a int);
Warnings:
Note 1050 Table 't1' already exists
drop table t1;
BUG#14139: When handling "CREATE TABLE(field_X type_spec,...) SELECT smth AS field_X, ...."
avoid multiplying length of field_X by charset->mbmaxlen twice when calculating space
required for field_X in the new table.
mysql-test/r/create.result:
Testcase for BUG#14139
mysql-test/t/create.test:
Testcase for BUG#14139
sql/field.cc:
BUG#14139: Make create_length_to_internal_length() save length-in-characters in
create_field::chars_length.
sql/field.h:
BUG#14139: Add create_length::chars_length where we save length-in-characters, added comments.
sql/sql_table.cc:
BUG#14139: When handling "CREATE TABLE(field_X type_spec,...) SELECT smth AS field_X, ...."
we get two instances of create_field: (1) is occurence of field_X in create list, and (2) is
in select list. If we figure they both refer to the same field, we "join" them according to
some rule that is not explicitly specified anywhere.
When we do this "join", create_field::length already contains length-in-bytes for both, so
when we transfer field length (in characters) from (1) to (2), use length-in-characters that
we have saved in create_length::chars_length.
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create table t1 (
a varchar(112) charset utf8 collate utf8_bin not null,
primary key (a)
) select 'test' as a ;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(112) character set utf8 collate utf8_bin NOT NULL default '',
PRIMARY KEY (`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
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CREATE TABLE t2 (
a int(11) default NULL
);
insert into t2 values(111);
create table t1 (
a varchar(12) charset utf8 collate utf8_bin not null,
b int not null, primary key (a)
) select a, 1 as b from t2 ;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(12) character set utf8 collate utf8_bin NOT NULL default '',
`b` int(11) NOT NULL default '0',
PRIMARY KEY (`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (
a varchar(12) charset utf8 collate utf8_bin not null,
b int not null, primary key (a)
) select 'a' as a , 1 as b from t2 ;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(12) character set utf8 collate utf8_bin NOT NULL default '',
`b` int(11) NOT NULL default '0',
PRIMARY KEY (`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
create table t1 (
a varchar(12) charset utf8 collate utf8_bin,
b int not null, primary key (a)
) select 'a' as a , 1 as b from t2 ;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` varchar(12) character set utf8 collate utf8_bin NOT NULL default '',
`b` int(11) NOT NULL default '0',
PRIMARY KEY (`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1, t2;
create table t1 (
a1 int not null,
a2 int, a3 int, a4 int, a5 int, a6 int, a7 int, a8 int, a9 int
);
insert into t1 values (1,1,1, 1,1,1, 1,1,1);
create table t2 (
a1 varchar(12) charset utf8 collate utf8_bin not null,
a2 int, a3 int, a4 int, a5 int, a6 int, a7 int, a8 int, a9 int,
primary key (a1)
) select a1,a2,a3,a4,a5,a6,a7,a8,a9 from t1 ;
drop table t2;
create table t2 (
a1 varchar(12) charset utf8 collate utf8_bin,
a2 int, a3 int, a4 int, a5 int, a6 int, a7 int, a8 int, a9 int
) select a1,a2,a3,a4,a5,a6,a7,a8,a9 from t1;
drop table t1, t2;
create table t1 (
a1 int, a2 int, a3 int, a4 int, a5 int, a6 int, a7 int, a8 int, a9 int
);
insert into t1 values (1,1,1, 1,1,1, 1,1,1);
create table t2 (
a1 varchar(12) charset utf8 collate utf8_bin not null,
a2 int, a3 int, a4 int, a5 int, a6 int, a7 int, a8 int, a9 int,
primary key (a1)
) select a1,a2,a3,a4,a5,a6,a7,a8,a9 from t1 ;
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drop table t2;
create table t2 ( a int default 3, b int default 3)
select a1,a2 from t1;
show create table t2;
Table Create Table
t2 CREATE TABLE `t2` (
`a` int(11) default '3',
`b` int(11) default '3',
`a1` int(11) default NULL,
`a2` int(11) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
2005-11-07 07:23:43 +01:00
drop table t1, t2;
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create table t1(a set("a,b","c,d") not null);
ERROR HY000: Illegal set 'a,b' value found during parsing