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90 lines
2.9 KiB
Plaintext
90 lines
2.9 KiB
Plaintext
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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show variables like 'system_versioning_asof';
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select * from t;
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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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select * from t;
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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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select * from t;
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# global
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--error ER_WRONG_VALUE_FOR_VAR
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set global system_versioning_asof= 'alley';
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--error ER_WRONG_VALUE_FOR_VAR
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set global system_versioning_asof= null;
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--error ER_WRONG_TYPE_FOR_VAR
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set global system_versioning_asof= 1;
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--error ER_WRONG_TYPE_FOR_VAR
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set global system_versioning_asof= 1.1;
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# session
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--error ER_WRONG_VALUE_FOR_VAR
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set system_versioning_asof= 'alley';
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--error ER_WRONG_VALUE_FOR_VAR
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set system_versioning_asof= null;
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--error ER_WRONG_TYPE_FOR_VAR
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set system_versioning_asof= 1;
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--error ER_WRONG_TYPE_FOR_VAR
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set system_versioning_asof= 1.1;
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--echo # GLOBAL @@system_versioning_asof
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set global system_versioning_asof= '1911-11-11 11:11:11.1111119';
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show global variables like 'system_versioning_asof';
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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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set global system_versioning_asof= timestamp'1911-11-11 11:11:11.1111119';
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show global variables like 'system_versioning_asof';
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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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set global system_versioning_asof= default;
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select @@global.system_versioning_asof;
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--echo # SESSION @@system_versioning_asof
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set system_versioning_asof= '1911-11-11 11:11:11.1111119';
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show variables like 'system_versioning_asof';
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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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set system_versioning_asof= timestamp'1911-11-11 11:11:11.1111119';
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show variables like 'system_versioning_asof';
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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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--echo # DEFAULT: value is copied from GLOBAL to SESSION
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set global system_versioning_asof= timestamp'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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select @@global.system_versioning_asof != @@system_versioning_asof as different;
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set system_versioning_asof= default;
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select @@global.system_versioning_asof = @@system_versioning_asof as equal;
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set global system_versioning_asof= DEFAULT;
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set system_versioning_asof= DEFAULT;
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select @@global.system_versioning_asof, @@system_versioning_asof;
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select * from t for system_time all;
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select * from t;
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select * from t for system_time as of timestamp current_timestamp(6);
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select * from t for system_time all;
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select * from t for system_time from '0-0-0' to current_timestamp(6);
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select * from t for system_time between '0-0-0' and current_timestamp(6);
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show status like "Feature_system_versioning";
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drop table t;
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