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37 lines
872 B
Text
37 lines
872 B
Text
create table t (a int);
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truncate t to system_time now();
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ERROR HY000: System Versioning required: t
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create or replace 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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set @test = 'correct';
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create trigger trg_before before delete on t for each row set @test = 'incorrect';
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create trigger trg_after after delete on t for each row set @test = 'incorrect';
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truncate t to system_time now(6);
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select @test from t;
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@test
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correct
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drop table t;
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create table t (a int) with system versioning;
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insert into t values (1), (2);
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update t set a=11 where a=1;
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set @ts1=now(6);
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update t set a=22 where a=2;
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select * from t for system_time all;
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a
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11
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22
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1
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2
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truncate t to system_time timestamp @ts1;
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select * from t for system_time all;
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a
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11
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22
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2
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truncate table t to system_time timestamp now(6);
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select * from t for system_time all;
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a
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11
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22
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drop table t;
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