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0c99e6e9a6
Don't update autoinc counter on history row insert. Uniqueness is kept due to merge with row_end.
75 lines
2 KiB
Text
75 lines
2 KiB
Text
create table t1(
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id int unsigned auto_increment primary key,
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x int unsigned,
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y int unsigned,
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sys_start SYS_DATATYPE as row start invisible,
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sys_end SYS_DATATYPE as row end invisible,
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period for system_time (sys_start, sys_end))
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with system versioning;
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create table t2(
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id int unsigned auto_increment primary key,
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x int unsigned,
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y int unsigned);
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insert into t1(x, y) values(1, 11);
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insert into t2(x, y) values(1, 11);
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insert into t1(x, y) values(2, 12);
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insert into t2(x, y) values(2, 12);
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insert into t1(x, y) values(3, 13);
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insert into t2(x, y) values(3, 13);
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insert into t1(x, y) values(4, 14);
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insert into t2(x, y) values(4, 14);
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insert into t1(x, y) values(5, 15);
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insert into t2(x, y) values(5, 15);
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insert into t1(x, y) values(6, 16);
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insert into t2(x, y) values(6, 16);
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insert into t1(x, y) values(7, 17);
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insert into t2(x, y) values(7, 17);
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insert into t1(x, y) values(8, 18);
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insert into t2(x, y) values(8, 18);
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insert into t1(x, y) values(9, 19);
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insert into t2(x, y) values(9, 19);
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select t1.x = t2.x and t1.y = t2.y as A, t1.x, t1.y, t2.x, t2.y from t1 inner join t2 on t1.id = t2.id;
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A x y x y
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1 1 11 1 11
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1 2 12 2 12
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1 3 13 3 13
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1 4 14 4 14
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1 5 15 5 15
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1 6 16 6 16
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1 7 17 7 17
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1 8 18 8 18
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1 9 19 9 19
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delete from t1 where x = 2;
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delete from t2 where x = 2;
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select t1.x = t2.x and t1.y = t2.y as A, t1.x, t1.y, t2.x, t2.y from t1 inner join t2 on t1.id = t2.id;
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A x y x y
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1 1 11 1 11
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1 3 13 3 13
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1 4 14 4 14
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1 5 15 5 15
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1 6 16 6 16
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1 7 17 7 17
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1 8 18 8 18
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1 9 19 9 19
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delete from t1 where x > 7;
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delete from t2 where x > 7;
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select t1.x = t2.x and t1.y = t2.y as A, t1.x, t1.y, t2.x, t2.y from t1 inner join t2 on t1.id = t2.id;
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A x y x y
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1 1 11 1 11
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1 3 13 3 13
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1 4 14 4 14
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1 5 15 5 15
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1 6 16 6 16
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1 7 17 7 17
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drop table t1;
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drop table t2;
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#
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# MDEV-22562 Assertion `next_insert_id == 0' upon UPDATE on system-versioned table
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#
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create table t1 (pk integer auto_increment primary key) engine=myisam with system versioning;
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insert delayed into t1 (pk) values (1);
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lock tables t1 write;
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update t1 set pk= 0;
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update t1 set pk= 0;
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unlock tables;
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drop table t1;
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