mirror of
https://github.com/MariaDB/server.git
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138 lines
4.8 KiB
Text
138 lines
4.8 KiB
Text
create table t (a int) with system versioning;
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insert into t values (1);
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update t set a= 2;
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show global variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof DEFAULT
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show variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof DEFAULT
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select * from t;
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a
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2
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set system_versioning_asof= '2031-1-1 0:0:0';
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show variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 2031-01-01 00:00:00.000000
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select * from t;
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a
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2
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set system_versioning_asof= '2011-1-1 0:0:0';
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show variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 2011-01-01 00:00:00.000000
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select * from t;
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a
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set global system_versioning_asof= 'alley';
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ERROR 42000: Variable 'system_versioning_asof' can't be set to the value of 'alley'
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set global system_versioning_asof= null;
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ERROR 42000: Variable 'system_versioning_asof' can't be set to the value of 'NULL'
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set global system_versioning_asof= 1;
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ERROR 42000: Incorrect argument type to variable 'system_versioning_asof'
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set global system_versioning_asof= 1.1;
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ERROR 42000: Incorrect argument type to variable 'system_versioning_asof'
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set system_versioning_asof= 'alley';
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ERROR 42000: Variable 'system_versioning_asof' can't be set to the value of 'alley'
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set system_versioning_asof= null;
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ERROR 42000: Variable 'system_versioning_asof' can't be set to the value of 'NULL'
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set system_versioning_asof= 1;
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ERROR 42000: Incorrect argument type to variable 'system_versioning_asof'
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set system_versioning_asof= 1.1;
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ERROR 42000: Incorrect argument type to variable 'system_versioning_asof'
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set global system_versioning_asof= '1911-11-11 11:11:11.1111119';
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Warnings:
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Note 1292 Truncated incorrect datetime value: '1911-11-11 11:11:11.1111119'
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Note 1292 Truncated incorrect datetime value: '1911-11-11 11:11:11.1111119'
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show global variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 1911-11-11 11:11:11.111111
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set global system_versioning_asof= '1900-01-01 00:00:00';
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show global variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 1900-01-01 00:00:00.000000
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set global system_versioning_asof= timestamp'1911-11-11 11:11:11.1111119';
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Warnings:
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Note 1292 Truncated incorrect datetime value: '1911-11-11 11:11:11.1111119'
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show global variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 1911-11-11 11:11:11.111111
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set @ts= timestamp'1900-01-01 00:00:00';
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set global system_versioning_asof= @ts;
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show global variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 1900-01-01 00:00:00.000000
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set system_versioning_asof= '1911-11-11 11:11:11.1111119';
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Warnings:
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Note 1292 Truncated incorrect datetime value: '1911-11-11 11:11:11.1111119'
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Note 1292 Truncated incorrect datetime value: '1911-11-11 11:11:11.1111119'
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show variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 1911-11-11 11:11:11.111111
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set system_versioning_asof= '1900-01-01 00:00:00';
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show variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 1900-01-01 00:00:00.000000
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set system_versioning_asof= timestamp'1911-11-11 11:11:11.1111119';
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Warnings:
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Note 1292 Truncated incorrect datetime value: '1911-11-11 11:11:11.1111119'
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show variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 1911-11-11 11:11:11.111111
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set @ts= timestamp'1900-01-01 00:00:00';
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set system_versioning_asof= @ts;
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show variables like 'system_versioning_asof';
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Variable_name Value
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system_versioning_asof 1900-01-01 00:00:00.000000
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set global system_versioning_asof= DEFAULT;
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set system_versioning_asof= DEFAULT;
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show variables where variable_name = "system_versioning_hide";
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Variable_name Value
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system_versioning_hide IMPLICIT
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select * from t for system_time all;
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a
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2
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1
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set system_versioning_hide= AUTO;
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select * from t;
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a
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2
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select * from t for system_time as of timestamp current_timestamp(6);
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a
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2
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select * from t for system_time all;
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a sys_trx_start sys_trx_end
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2 TIMESTAMP TIMESTAMP
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1 TIMESTAMP TIMESTAMP
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select * from t for system_time from '0-0-0' to current_timestamp(6);
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a sys_trx_start sys_trx_end
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2 TIMESTAMP TIMESTAMP
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1 TIMESTAMP TIMESTAMP
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select * from t for system_time between '0-0-0' and current_timestamp(6);
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a sys_trx_start sys_trx_end
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2 TIMESTAMP TIMESTAMP
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1 TIMESTAMP TIMESTAMP
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set system_versioning_hide= NEVER;
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select * from t;
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a sys_trx_start sys_trx_end
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2 TIMESTAMP TIMESTAMP
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set system_versioning_hide= FULL;
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create or replace table t (
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x int,
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st timestamp(6) generated always as row start,
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en timestamp(6) generated always as row end,
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period for system_time (st, en))
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with system versioning;
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show create table t;
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Table Create Table
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t CREATE TABLE `t` (
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`x` int(11) DEFAULT NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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insert into t values (2);
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delete from t;
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select * from t;
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x
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select * from t for system_time all;
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x
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2
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drop table t;
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set system_versioning_hide= IMPLICIT;
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