drop table if exists t1,t2;
create table t1 (bandID MEDIUMINT UNSIGNED NOT NULL PRIMARY KEY, payoutID SMALLINT UNSIGNED NOT NULL);
insert into t1 (bandID,payoutID) VALUES (1,6),(2,6),(3,4),(4,9),(5,10),(6,1),(7,12),(8,12);
create table t2 (payoutID SMALLINT UNSIGNED NOT NULL PRIMARY KEY);
insert into t2 (payoutID) SELECT DISTINCT payoutID FROM t1;
insert into t2 (payoutID) SELECT payoutID+10 FROM t1;
Duplicate entry '16' for key 1
insert ignore into t2 (payoutID) SELECT payoutID+10 FROM t1;
select * from t2;
payoutID
1
4
6
9
10
11
12
14
16
19
20
22
drop table t1,t2;
CREATE TABLE `t1` (
`numeropost` bigint(20) unsigned NOT NULL default '0',
`icone` tinyint(4) unsigned NOT NULL default '0',
`numreponse` bigint(20) unsigned NOT NULL auto_increment,
`contenu` text NOT NULL,
`pseudo` varchar(50) NOT NULL default '',
`date` datetime NOT NULL default '0000-00-00 00:00:00',
`ip` bigint(11) NOT NULL default '0',
`signature` tinyint(1) unsigned NOT NULL default '0',
PRIMARY KEY  (`numeropost`,`numreponse`)
,KEY `ip` (`ip`),
KEY `date` (`date`),
KEY `pseudo` (`pseudo`),
KEY `numreponse` (`numreponse`)
) TYPE=MyISAM;
CREATE TABLE `t2` (
`numeropost` bigint(20) unsigned NOT NULL default '0',
`icone` tinyint(4) unsigned NOT NULL default '0',
`numreponse` bigint(20) unsigned NOT NULL auto_increment,
`contenu` text NOT NULL,
`pseudo` varchar(50) NOT NULL default '',
`date` datetime NOT NULL default '0000-00-00 00:00:00',
`ip` bigint(11) NOT NULL default '0',
`signature` tinyint(1) unsigned NOT NULL default '0',
PRIMARY KEY  (`numeropost`,`numreponse`),
KEY `ip` (`ip`),
KEY `date` (`date`),
KEY `pseudo` (`pseudo`),
KEY `numreponse` (`numreponse`)
) TYPE=MyISAM;
INSERT INTO t2
(numeropost,icone,numreponse,contenu,pseudo,date,ip,signature) VALUES
(9,1,56,'test','joce','2001-07-25 13:50:53'
,3649052399,0);
INSERT INTO t1 (numeropost,icone,contenu,pseudo,date,signature,ip)
SELECT 1618,icone,contenu,pseudo,date,signature,ip FROM t2
WHERE numeropost=9 ORDER BY numreponse ASC;
show variables like '%bulk%';
Variable_name	Value
bulk_insert_buffer_size	8388608
INSERT INTO t1 (numeropost,icone,contenu,pseudo,date,signature,ip)
SELECT 1718,icone,contenu,pseudo,date,signature,ip FROM t2
WHERE numeropost=9 ORDER BY numreponse ASC;
DROP TABLE t1,t2;
create table t1(a int, unique(a));
insert into t1 values(2);
create table t2(a int);
insert into t2 values(1),(2);
reset master;
insert into t1 select * from t2;
Duplicate entry '2' for key 1
show binlog events;
Log_name	Pos	Event_type	Server_id	Orig_log_pos	Info
master-bin.001	4	Start	1	4	Server ver: VERSION, Binlog ver: 3
master-bin.001	79	Query	1	79	use test; insert into t1 select * from t2
drop table t1, t2;
drop table if exists t1, t2;
create table t1 (a int not null);
create table t2 (a int not null);
insert into t1 values (1);
insert into t1 values (a+2);
insert into t1 values (a+3);
insert into t1 values (4),(a+5);
insert into t1 select * from t1;
select * from t1;
a
1
2
3
4
5
1
2
3
4
5
insert into t1 select * from t1 as t2;
select * from t1;
a
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
insert into t2 select * from t1 as t2;
select * from t1;
a
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
insert into t1 select t2.a from t1,t2;
select * from t1;
a
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
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2
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2
2
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4
5
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5
5
5
5
5
5
5
5
5
5
5
5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
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5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
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2
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2
2
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4
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5
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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1
1
1
1
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5
5
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5
5
5
5
5
insert into t1 select * from t1,t1;
Not unique table/alias: 't1'
drop table t1,t2;
create table t1 (a int not null primary key, b char(10));
create table t2 (a int not null, b char(10));
insert into t1 values (1,"t1:1"),(3,"t1:3");
insert into t2 values (2,"t2:2"), (3,"t2:3");
insert into t1 select * from t2;
Duplicate entry '3' for key 1
select * from t1;
a	b
1	t1:1
3	t1:3
2	t2:2
replace into t1 select * from t2;
select * from t1;
a	b
1	t1:1
3	t2:3
2	t2:2
drop table t1,t2;