EVOLUTION-MANAGER

Edit File: partition_rotation.test

--source include/have_partition.inc

#
# partition rotation
#
set timestamp=unix_timestamp('2001-02-03 10:20:30');
create or replace table t1 (i int) with system versioning
partition by system_time interval 1 day
    subpartition by key (i) subpartitions 2
    (partition p1 history, partition pn current);
set timestamp=unix_timestamp('2001-02-03 10:20:40');
insert t1 values (1); delete from t1;
set timestamp=unix_timestamp('2001-02-04 10:20:50');
insert t1 values (2); delete from t1;

select subpartition_name,partition_description,table_rows from information_schema.partitions where table_schema='test' and table_name='t1';

set timestamp=unix_timestamp('2001-02-04 10:20:55');
alter table t1 add partition (partition p0 history, partition p2 history);
set timestamp=unix_timestamp('2001-02-04 10:30:00');
insert t1 values (4),(5);
set timestamp=unix_timestamp('2001-02-04 10:30:10');
update t1 set i=6 where i=5;

select subpartition_name,partition_description,table_rows from information_schema.partitions where table_schema='test' and table_name='t1';

--echo ## pruning check
set @ts=(select partition_description from information_schema.partitions
  where table_schema='test' and table_name='t1' and partition_name='p0' limit 1);
--sorted_result
select * from t1;
explain partitions select * from t1;
--replace_column 10 #
explain partitions select * from t1 for system_time as of '2001-02-04 10:20:30';
set @ts=(select row_end from t1 for system_time all where i=1);
select * from t1 for system_time all where row_end = @ts;
--replace_column 5 # 10 # 11 #
explain partitions select * from t1 for system_time all where row_end = @ts;

drop table t1;