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https://github.com/MariaDB/server.git
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New multi-table-update code
New (simpler) internal timestamp handling. More debuging to heap tables. Small cleanups to multi-table-delete false -> 0 and true -> 1 (We should use TRUE and FALSE)
This commit is contained in:
@ -20,7 +20,7 @@ count(*)
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10
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select count(*) from t2 where t = "bbb";
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count(*)
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10
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50
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select count(*) from t2 where id2 > 90;
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count(*)
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50
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@ -70,71 +70,61 @@ create table t1(id1 int not null primary key, t varchar(100)) pack_keys = 1;
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create table t2(id2 int not null, t varchar(100), index(id2)) pack_keys = 1;
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delete t1 from t1,t2 where t1.id1 = t2.id2 and t1.id1 > 500;
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drop table t1,t2;
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DROP TABLE IF EXISTS a,b,c;
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CREATE TABLE a (
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CREATE TABLE t1 (
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id int(11) NOT NULL default '0',
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name varchar(10) default NULL,
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PRIMARY KEY (id)
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) TYPE=MyISAM;
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INSERT INTO a VALUES (1,'aaa'),(2,'aaa'),(3,'aaa');
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CREATE TABLE b (
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INSERT INTO t1 VALUES (1,'aaa'),(2,'aaa'),(3,'aaa');
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CREATE TABLE t2 (
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id int(11) NOT NULL default '0',
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name varchar(10) default NULL,
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PRIMARY KEY (id)
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) TYPE=MyISAM;
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INSERT INTO b VALUES (2,'bbb'),(3,'bbb'),(4,'bbb');
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CREATE TABLE c (
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INSERT INTO t2 VALUES (2,'bbb'),(3,'bbb'),(4,'bbb');
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CREATE TABLE t3 (
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id int(11) NOT NULL default '0',
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mydate datetime default NULL,
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PRIMARY KEY (id)
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) TYPE=MyISAM;
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INSERT INTO c VALUES (1,'2002-02-04 00:00:00'),(3,'2002-05-12 00:00:00'),(5,'2002-05-12 00:00:00'),(6,'2002-06-22
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INSERT INTO t3 VALUES (1,'2002-02-04 00:00:00'),(3,'2002-05-12 00:00:00'),(5,'2002-05-12 00:00:00'),(6,'2002-06-22
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00:00:00'),(7,'2002-07-22 00:00:00');
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delete a,b,c from a,b,c
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where to_days(now())-to_days(c.mydate)>=30
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and c.id=a.id and c.id=b.id;
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select * from c;
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delete t1,t2,t3 from t1,t2,t3 where to_days(now())-to_days(t3.mydate)>=30 and t3.id=t1.id and t3.id=t2.id;
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select * from t3;
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id mydate
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1 2002-02-04 00:00:00
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5 2002-05-12 00:00:00
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6 2002-06-22 00:00:00
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7 2002-07-22 00:00:00
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DROP TABLE IF EXISTS a,b,c;
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drop table if exists parent, child;
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CREATE TABLE IF NOT EXISTS `parent` (
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DROP TABLE IF EXISTS t1,t2,t3;
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CREATE TABLE IF NOT EXISTS `t1` (
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`id` int(11) NOT NULL auto_increment,
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`tst` text,
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`tst1` text,
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PRIMARY KEY (`id`)
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) TYPE=MyISAM;
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CREATE TABLE IF NOT EXISTS `child` (
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CREATE TABLE IF NOT EXISTS `t2` (
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`ID` int(11) NOT NULL auto_increment,
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`ParId` int(11) default NULL,
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`tst` text,
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`tst1` text,
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PRIMARY KEY (`ID`),
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KEY `IX_ParId_child` (`ParId`),
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FOREIGN KEY (`ParId`) REFERENCES `test.parent` (`id`)
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KEY `IX_ParId_t2` (`ParId`),
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FOREIGN KEY (`ParId`) REFERENCES `t1` (`id`)
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) TYPE=MyISAM;
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INSERT INTO parent(tst,tst1)
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VALUES("MySQL","MySQL AB"), ("MSSQL","Microsoft"), ("ORACLE","ORACLE");
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INSERT INTO child(ParId)
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VALUES(1), (2), (3);
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select * from child;
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INSERT INTO t1(tst,tst1) VALUES("MySQL","MySQL AB"), ("MSSQL","Microsoft"), ("ORACLE","ORACLE");
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INSERT INTO t2(ParId) VALUES(1), (2), (3);
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select * from t2;
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ID ParId tst tst1
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1 1 NULL NULL
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2 2 NULL NULL
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3 3 NULL NULL
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UPDATE child, parent
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SET child.tst = parent.tst,
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child.tst1 = parent.tst1
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WHERE child.ParId = parent.Id;
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select * from child;
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UPDATE t2, t1 SET t2.tst = t1.tst, t2.tst1 = t1.tst1 WHERE t2.ParId = t1.Id;
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select * from t2;
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ID ParId tst tst1
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1 1 MySQL MySQL AB
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2 2 MSSQL Microsoft
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3 3 ORACLE ORACLE
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drop table parent, child;
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drop table if exists t1, t2 ;
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create table t1 (n numeric(10));
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create table t2 (n numeric(10));
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@ -80,67 +80,59 @@ while ($1)
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enable_query_log;
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delete t1 from t1,t2 where t1.id1 = t2.id2 and t1.id1 > 500;
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drop table t1,t2;
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DROP TABLE IF EXISTS a,b,c;
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CREATE TABLE a (
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CREATE TABLE t1 (
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id int(11) NOT NULL default '0',
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name varchar(10) default NULL,
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PRIMARY KEY (id)
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) TYPE=MyISAM;
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INSERT INTO a VALUES (1,'aaa'),(2,'aaa'),(3,'aaa');
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CREATE TABLE b (
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INSERT INTO t1 VALUES (1,'aaa'),(2,'aaa'),(3,'aaa');
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CREATE TABLE t2 (
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id int(11) NOT NULL default '0',
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name varchar(10) default NULL,
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PRIMARY KEY (id)
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) TYPE=MyISAM;
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INSERT INTO b VALUES (2,'bbb'),(3,'bbb'),(4,'bbb');
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CREATE TABLE c (
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INSERT INTO t2 VALUES (2,'bbb'),(3,'bbb'),(4,'bbb');
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CREATE TABLE t3 (
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id int(11) NOT NULL default '0',
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mydate datetime default NULL,
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PRIMARY KEY (id)
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) TYPE=MyISAM;
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INSERT INTO c VALUES (1,'2002-02-04 00:00:00'),(3,'2002-05-12 00:00:00'),(5,'2002-05-12 00:00:00'),(6,'2002-06-22
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INSERT INTO t3 VALUES (1,'2002-02-04 00:00:00'),(3,'2002-05-12 00:00:00'),(5,'2002-05-12 00:00:00'),(6,'2002-06-22
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00:00:00'),(7,'2002-07-22 00:00:00');
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delete a,b,c from a,b,c
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where to_days(now())-to_days(c.mydate)>=30
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and c.id=a.id and c.id=b.id;
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select * from c;
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DROP TABLE IF EXISTS a,b,c;
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drop table if exists parent, child;
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CREATE TABLE IF NOT EXISTS `parent` (
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delete t1,t2,t3 from t1,t2,t3 where to_days(now())-to_days(t3.mydate)>=30 and t3.id=t1.id and t3.id=t2.id;
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select * from t3;
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DROP TABLE IF EXISTS t1,t2,t3;
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CREATE TABLE IF NOT EXISTS `t1` (
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`id` int(11) NOT NULL auto_increment,
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`tst` text,
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`tst1` text,
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PRIMARY KEY (`id`)
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) TYPE=MyISAM;
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CREATE TABLE IF NOT EXISTS `child` (
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CREATE TABLE IF NOT EXISTS `t2` (
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`ID` int(11) NOT NULL auto_increment,
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`ParId` int(11) default NULL,
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`tst` text,
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`tst1` text,
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PRIMARY KEY (`ID`),
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KEY `IX_ParId_child` (`ParId`),
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FOREIGN KEY (`ParId`) REFERENCES `test.parent` (`id`)
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KEY `IX_ParId_t2` (`ParId`),
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FOREIGN KEY (`ParId`) REFERENCES `t1` (`id`)
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) TYPE=MyISAM;
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INSERT INTO parent(tst,tst1)
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VALUES("MySQL","MySQL AB"), ("MSSQL","Microsoft"), ("ORACLE","ORACLE");
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INSERT INTO t1(tst,tst1) VALUES("MySQL","MySQL AB"), ("MSSQL","Microsoft"), ("ORACLE","ORACLE");
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INSERT INTO child(ParId)
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VALUES(1), (2), (3);
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INSERT INTO t2(ParId) VALUES(1), (2), (3);
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select * from child;
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select * from t2;
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UPDATE child, parent
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SET child.tst = parent.tst,
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child.tst1 = parent.tst1
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WHERE child.ParId = parent.Id;
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UPDATE t2, t1 SET t2.tst = t1.tst, t2.tst1 = t1.tst1 WHERE t2.ParId = t1.Id;
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select * from child;
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select * from t2;
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drop table parent, child;
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drop table if exists t1, t2 ;
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create table t1 (n numeric(10));
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create table t2 (n numeric(10));
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insert into t2 values (1),(2),(4),(8),(16),(32);
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