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111 lines
2.7 KiB
Plaintext
111 lines
2.7 KiB
Plaintext
create table t (a int);
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delete history from t before system_time now();
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ERROR HY000: Table `t` is not system-versioned
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create or replace table t (
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a int,
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row_start SYS_TYPE as row start invisible,
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row_end SYS_TYPE as row end invisible,
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period for system_time (row_start, row_end))
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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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delete history from t;
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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 or replace table t (
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a int,
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row_start SYS_TYPE as row start invisible,
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row_end SYS_TYPE as row end invisible,
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period for system_time (row_start, row_end))
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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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delete history from t before 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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prepare stmt from 'delete history from t';
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execute stmt;
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drop prepare stmt;
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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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delete from t;
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create or replace procedure truncate_sp()
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begin
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delete history from t before system_time timestamp now(6);
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end~~
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call truncate_sp;
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select * from t for system_time all;
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a
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drop procedure truncate_sp;
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# Truncate partitioned
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create or replace table t (a int)
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with system versioning
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partition by system_time limit 1 (
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partition p0 history,
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partition p1 history,
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partition pn current);
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insert into t values (1);
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update t set a= 2;
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update t set a= 3;
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delete history from t;
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select * from t for system_time all;
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a
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3
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# VIEW
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create or replace table t (
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i int,
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row_start SYS_TYPE as row start invisible,
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row_end SYS_TYPE as row end invisible,
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period for system_time (row_start, row_end))
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with system versioning;
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delete history from t;
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create or replace view v as select * from t;
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delete history from v;
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ERROR 42S02: 'v' is a view
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create or replace table t (i int);
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delete history from t;
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ERROR HY000: Table `t` is not system-versioned
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create or replace view v as select * from t;
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delete history from v;
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ERROR 42S02: 'v' is a view
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prepare stmt from 'delete history from t';
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ERROR HY000: Table `t` is not system-versioned
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drop table t;
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drop view v;
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create or replace table t (i int);
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create or replace view v as select * from t;
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drop table v;
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ERROR 42S02: 'test.v' is a view
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lock table v write;
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delete history from v before system_time now(6);
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ERROR 42S02: 'v' is a view
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unlock tables;
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drop view v;
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drop table t;
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create table t1 (i int) with system versioning;
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create procedure pr() delete history from t1 before system_time now();
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call pr;
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call pr;
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drop procedure pr;
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drop table t1;
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drop database test;
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create database test;
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