mirror of
https://github.com/MariaDB/server.git
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129 lines
3.4 KiB
Plaintext
129 lines
3.4 KiB
Plaintext
create table t1 (x int) with system versioning engine innodb;
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insert into t1 values (1);
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select now(6) into @t1;
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update t1 set x= 2;
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select now(6) into @t2;
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delete from t1;
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set @vt1= concat("create view vt1 as select * from t1 for system_time as of timestamp '", @t1, "'");
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prepare stmt from @vt1;
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execute stmt;
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drop prepare stmt;
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set @vt2= concat("create view vt2 as select * from t1 for system_time as of timestamp '", @t2, "'");
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prepare stmt from @vt2;
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execute stmt;
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drop prepare stmt;
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select * from vt1 for system_time all;
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x
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1
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select * from vt2 for system_time all;
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x
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2
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select * from t1;
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x
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create or replace view vt1 as select * from t1;
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show create view vt1;
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View Create View character_set_client collation_connection
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vt1 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `vt1` AS select `t1`.`x` AS `x`,`t1`.`sys_trx_start` AS `sys_trx_start`,`t1`.`sys_trx_end` AS `sys_trx_end` from `t1` FOR SYSTEM_TIME ALL where `t1`.`sys_trx_end` = 18446744073709551615 latin1 latin1_swedish_ci
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drop view vt1;
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drop view vt2;
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create view vt1 as select * from t1 for system_time all;
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select * from vt1 for system_time all;
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x
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2
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1
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prepare stmt from 'select * from vt1 for system_time all';
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execute stmt;
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x
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2
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1
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drop prepare stmt;
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select * from vt1;
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x
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2
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1
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prepare stmt from 'select * from vt1';
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execute stmt;
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x
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drop prepare stmt;
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select * from t1 for system_time as of timestamp @t1;
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x
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1
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select * from vt1 for system_time as of timestamp @t1;
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x
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2
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1
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prepare stmt from 'select * from vt1 for system_time as of timestamp @t1';
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execute stmt;
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x
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1
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drop prepare stmt;
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create or replace view vt1 as select * from t1;
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select * from vt1 for system_time all;
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x
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prepare stmt from 'select * from vt1 for system_time all';
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execute stmt;
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x
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drop prepare stmt;
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insert into vt1 values (3);
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select * from t1;
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x
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3
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select * from vt1;
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x
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3
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select * from t1 for system_time all;
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x
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2
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1
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3
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select * from vt1 for system_time all;
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x
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3
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create view error_view as select *, sys_trx_start from t1;
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ERROR 42S21: Duplicate column name 'sys_trx_start'
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create view error_view as select *, sys_trx_end from t1;
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ERROR 42S21: Duplicate column name 'sys_trx_end'
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create or replace table t1 (x int) with system versioning;
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insert into t1 values (1), (2);
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set @t1=now(6);
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delete from t1 where x=2;
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set @t2=now(6);
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delete from t1 where x=1;
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set @t3=now(6);
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set @tmp= concat("create or replace view vt1 as select * from t1 for system_time as of timestamp '", @t1, "'");
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prepare stmt from @tmp;
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execute stmt;
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drop prepare stmt;
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set @tmp= concat("create or replace view vvt1 as select * from vt1 for system_time as of timestamp '", @t2, "'");
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prepare stmt from @tmp;
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execute stmt;
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drop prepare stmt;
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set @tmp= concat("create or replace view vvvt1 as select * from vvt1 for system_time as of timestamp '", @t3, "'");
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prepare stmt from @tmp;
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execute stmt;
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drop prepare stmt;
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select * from vt1 for system_time all;
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x
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1
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2
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select * from vvt1 for system_time all;
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x
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1
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select * from vvvt1 for system_time all;
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x
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create or replace table t1 (x int) with system versioning;
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create or replace view vt1(c) as select x from t1;
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create or replace table t1 (a int) with system versioning;
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create or replace table t2 (b int) with system versioning;
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insert into t1 values (1);
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insert into t2 values (2);
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create or replace view vt12 as select * from t1 cross join t2;
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select * from vt12;
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a b
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1 2
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create or replace view vt12 as select * from t1 for system_time as of timestamp '0-0-0' cross join t2;
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select * from vt12;
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a b
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drop view vt1, vvt1, vvvt1, vt12;
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drop table t1, t2;
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