mirror of
https://github.com/MariaDB/server.git
synced 2025-01-19 21:42:35 +01:00
186 lines
4.9 KiB
Text
186 lines
4.9 KiB
Text
drop table if exists t1,t2;
|
|
drop view if exists v1;
|
|
CREATE TABLE t1 (c int not null, d char (10) not null);
|
|
insert into t1 values(1,""),(2,"a"),(3,"b");
|
|
CREATE TEMPORARY TABLE t1 (a int not null, b char (10) not null);
|
|
insert into t1 values(4,"e"),(5,"f"),(6,"g");
|
|
alter table t1 rename t2;
|
|
select * from t1;
|
|
c d
|
|
1
|
|
2 a
|
|
3 b
|
|
select * from t2;
|
|
a b
|
|
4 e
|
|
5 f
|
|
6 g
|
|
CREATE TABLE t2 (x int not null, y int not null);
|
|
alter table t2 rename t1;
|
|
select * from t1;
|
|
a b
|
|
4 e
|
|
5 f
|
|
6 g
|
|
create TEMPORARY TABLE t2 engine=heap select * from t1;
|
|
create TEMPORARY TABLE IF NOT EXISTS t2 (a int) engine=heap;
|
|
Warnings:
|
|
Note 1050 Table 't2' already exists
|
|
CREATE TEMPORARY TABLE t1 (a int not null, b char (10) not null);
|
|
ERROR 42S01: Table 't1' already exists
|
|
ALTER TABLE t1 RENAME t2;
|
|
ERROR 42S01: Table 't2' already exists
|
|
select * from t2;
|
|
a b
|
|
4 e
|
|
5 f
|
|
6 g
|
|
alter table t2 add primary key (a,b);
|
|
drop table t1,t2;
|
|
select * from t1;
|
|
c d
|
|
1
|
|
2 a
|
|
3 b
|
|
drop table t2;
|
|
create temporary table t1 select *,2 as "e" from t1;
|
|
select * from t1;
|
|
c d e
|
|
1 2
|
|
2 a 2
|
|
3 b 2
|
|
drop table t1;
|
|
drop table t1;
|
|
CREATE TABLE t1 (pkCrash INTEGER PRIMARY KEY,strCrash VARCHAR(255));
|
|
INSERT INTO t1 ( pkCrash, strCrash ) VALUES ( 1, '1');
|
|
SELECT CONCAT_WS(pkCrash, strCrash) FROM t1;
|
|
CONCAT_WS(pkCrash, strCrash)
|
|
1
|
|
drop table t1;
|
|
create temporary table t1 select 1 as 'x';
|
|
drop table t1;
|
|
CREATE TABLE t1 (x INT);
|
|
INSERT INTO t1 VALUES (1), (2), (3);
|
|
CREATE TEMPORARY TABLE tmp SELECT *, NULL FROM t1;
|
|
drop table t1;
|
|
create temporary table t1 (id int(10) not null unique);
|
|
create temporary table t2 (id int(10) not null primary key,
|
|
val int(10) not null);
|
|
insert into t1 values (1),(2),(4);
|
|
insert into t2 values (1,1),(2,1),(3,1),(4,2);
|
|
select one.id, two.val, elt(two.val,'one','two') from t1 one, t2 two where two.id=one.id order by one.id;
|
|
id val elt(two.val,'one','two')
|
|
1 1 one
|
|
2 1 one
|
|
4 2 two
|
|
drop table t1,t2;
|
|
create temporary table t1 (a int not null);
|
|
insert into t1 values (1),(1);
|
|
alter table t1 add primary key (a);
|
|
ERROR 23000: Duplicate entry '1' for key 'PRIMARY'
|
|
drop table t1;
|
|
CREATE TABLE t1 (
|
|
d datetime default NULL
|
|
) ENGINE=MyISAM;
|
|
INSERT INTO t1 VALUES ('2002-10-24 14:50:32'),('2002-10-24 14:50:33'),('2002-10-24 14:50:34'),('2002-10-24 14:50:34'),('2002-10-24 14:50:34'),('2002-10-24 14:50:35'),('2002-10-24 14:50:35'),('2002-10-24 14:50:35'),('2002-10-24 14:50:35'),('2002-10-24 14:50:36'),('2002-10-24 14:50:36'),('2002-10-24 14:50:36'),('2002-10-24 14:50:36'),('2002-10-24 14:50:37'),('2002-10-24 14:50:37'),('2002-10-24 14:50:37'),('2002-10-24 14:50:37'),('2002-10-24 14:50:38'),('2002-10-24 14:50:38'),('2002-10-24 14:50:38'),('2002-10-24 14:50:39'),('2002-10-24 14:50:39'),('2002-10-24 14:50:39'),('2002-10-24 14:50:39'),('2002-10-24 14:50:40'),('2002-10-24 14:50:40'),('2002-10-24 14:50:40');
|
|
flush status;
|
|
select * from t1 group by d;
|
|
d
|
|
2002-10-24 14:50:32
|
|
2002-10-24 14:50:33
|
|
2002-10-24 14:50:34
|
|
2002-10-24 14:50:35
|
|
2002-10-24 14:50:36
|
|
2002-10-24 14:50:37
|
|
2002-10-24 14:50:38
|
|
2002-10-24 14:50:39
|
|
2002-10-24 14:50:40
|
|
show status like "created_tmp%tables";
|
|
Variable_name Value
|
|
Created_tmp_disk_tables 0
|
|
Created_tmp_tables 1
|
|
drop table t1;
|
|
create temporary table v1 as select 'This is temp. table' A;
|
|
create view v1 as select 'This is view' A;
|
|
select * from v1;
|
|
A
|
|
This is temp. table
|
|
show create table v1;
|
|
Table Create Table
|
|
v1 CREATE TEMPORARY TABLE `v1` (
|
|
`A` varchar(19) NOT NULL DEFAULT ''
|
|
) ENGINE=MyISAM DEFAULT CHARSET=latin1
|
|
show create view v1;
|
|
View Create View
|
|
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v1` AS select _latin1'This is view' AS `A`
|
|
drop view v1;
|
|
select * from v1;
|
|
A
|
|
This is temp. table
|
|
create view v1 as select 'This is view again' A;
|
|
select * from v1;
|
|
A
|
|
This is temp. table
|
|
drop table v1;
|
|
select * from v1;
|
|
A
|
|
This is view again
|
|
drop view v1;
|
|
create table t1 (a int, b int, index(a), index(b));
|
|
create table t2 (c int auto_increment, d varchar(255), primary key (c));
|
|
insert into t1 values (3,1),(3,2);
|
|
insert into t2 values (NULL, 'foo'), (NULL, 'bar');
|
|
select d, c from t1 left join t2 on b = c where a = 3 order by d;
|
|
d c
|
|
bar 2
|
|
foo 1
|
|
drop table t1, t2;
|
|
DROP TABLE IF EXISTS t1;
|
|
CREATE TABLE t1 (i INT);
|
|
LOCK TABLE t1 WRITE;
|
|
CREATE TEMPORARY TABLE t1 (i INT);
|
|
The following command should not block
|
|
DROP TEMPORARY TABLE t1;
|
|
DROP TABLE t1;
|
|
CREATE TABLE t1 (i INT);
|
|
CREATE TEMPORARY TABLE t2 (i INT);
|
|
DROP TEMPORARY TABLE t2, t1;
|
|
ERROR 42S02: Unknown table 't1'
|
|
SELECT * FROM t2;
|
|
ERROR 42S02: Table 'test.t2' doesn't exist
|
|
SELECT * FROM t1;
|
|
i
|
|
DROP TABLE t1;
|
|
End of 4.1 tests.
|
|
CREATE TABLE t1 ( c FLOAT( 20, 14 ) );
|
|
INSERT INTO t1 VALUES( 12139 );
|
|
CREATE TABLE t2 ( c FLOAT(30,18) );
|
|
INSERT INTO t2 VALUES( 123456 );
|
|
SELECT AVG( c ) FROM t1 UNION SELECT 1;
|
|
AVG( c )
|
|
12139
|
|
1
|
|
SELECT 1 UNION SELECT AVG( c ) FROM t1;
|
|
1
|
|
1
|
|
12139
|
|
SELECT 1 UNION SELECT * FROM t2 UNION SELECT 1;
|
|
1
|
|
1
|
|
123456
|
|
SELECT c/1 FROM t1 UNION SELECT 1;
|
|
c/1
|
|
12139
|
|
1
|
|
DROP TABLE t1, t2;
|
|
create temporary table t1 (a int);
|
|
insert into t1 values (4711);
|
|
select * from t1;
|
|
a
|
|
4711
|
|
truncate t1;
|
|
insert into t1 values (42);
|
|
select * from t1;
|
|
a
|
|
42
|
|
drop table t1;
|