mirror of
https://github.com/MariaDB/server.git
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101 lines
2.8 KiB
Text
101 lines
2.8 KiB
Text
drop table if exists t1,t2;
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create table t1 (a int not null);
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insert into t1 values (1);
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insert into t1 values (a+2);
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insert into t1 values (a+3);
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insert into t1 values (4),(a+5);
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select * from t1;
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a
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1
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2
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3
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4
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5
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drop table t1;
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create table t1 (id int not null auto_increment primary key, username varchar(32) not null, unique (username));
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insert into t1 values (0,"mysql");
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insert into t1 values (0,"mysql ab");
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insert into t1 values (0,"mysql a");
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insert into t1 values (0,"r1manic");
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insert into t1 values (0,"r1man");
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drop table t1;
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create table t1 (a int not null auto_increment, primary key (a), t timestamp, c char(10) default "hello", i int);
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insert into t1 values (default,default,default,default), (default,default,default,default), (4,0,"a",5),(default,default,default,default);
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select a,t>0,c,i from t1;
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a t>0 c i
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1 1 hello NULL
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2 1 hello NULL
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4 0 a 5
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5 1 hello NULL
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truncate table t1;
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insert into t1 set a=default,t=default,c=default;
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insert into t1 set a=default,t=default,c=default,i=default;
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insert into t1 set a=4,t=0,c="a",i=5;
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insert into t1 set a=5,t=0,c="a",i=null;
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insert into t1 set a=default,t=default,c=default,i=default;
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select a,t>0,c,i from t1;
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a t>0 c i
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1 1 hello NULL
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2 1 hello NULL
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4 0 a 5
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5 0 a NULL
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6 1 hello NULL
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drop table t1;
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create table t1 (sid char(20), id int(2) NOT NULL auto_increment, key(sid, id));
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insert into t1 values ('skr',NULL),('skr',NULL),('test',NULL);
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select * from t1;
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sid id
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skr 1
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skr 2
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test 1
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insert into t1 values ('rts',NULL),('rts',NULL),('test',NULL);
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select * from t1;
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sid id
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rts 1
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rts 2
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skr 1
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skr 2
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test 1
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test 2
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drop table t1;
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create table t1 (id int NOT NULL DEFAULT 8);
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insert into t1 values(NULL);
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ERROR 23000: Column 'id' cannot be null
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insert into t1 values (1), (NULL), (2);
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Warnings:
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Warning 1262 Data truncated, NULL supplied to NOT NULL column 'id' at row 2
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select * from t1;
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id
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1
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0
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2
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drop table t1;
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create table t1 (email varchar(50));
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insert into t1 values ('sasha@mysql.com'),('monty@mysql.com'),('foo@hotmail.com'),('foo@aol.com'),('bar@aol.com');
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create table t2(id int not null auto_increment primary key, t2 varchar(50), unique(t2));
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insert delayed into t2 (t2) select distinct substring(email, locate('@', email)+1) from t1;
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select * from t2;
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id t2
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1 mysql.com
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2 hotmail.com
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3 aol.com
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drop table t1,t2;
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drop database if exists mysqltest;
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create database mysqltest;
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use mysqltest;
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create table t1 (c int);
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insert into mysqltest.t1 set mysqltest.t1.c = '1';
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drop database mysqltest;
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use test;
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drop table if exists t1,t2,t3;
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create table t1(id1 int not null auto_increment primary key, t char(12));
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create table t2(id2 int not null, t char(12));
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create table t3(id3 int not null, t char(12), index(id3));
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select count(*) from t2;
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count(*)
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500
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insert into t2 select t1.* from t1, t2 t, t3 where t1.id1 = t.id2 and t.id2 = t3.id3;
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select count(*) from t2;
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count(*)
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25500
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drop table if exists t1,t2,t3;
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