diff options
| author | Aleksey Midenkov <midenok@gmail.com> | 2021-07-06 01:02:10 +0300 |
|---|---|---|
| committer | Aleksey Midenkov <midenok@gmail.com> | 2021-07-06 01:02:10 +0300 |
| commit | 07fade6d18148efbca3760fa5f7276443f318123 (patch) | |
| tree | 28255ef49ca3eff59faecd9c68a56fa36a75c4e4 /mysql-test/suite/versioning | |
| parent | e09e304b78e50fcbdc84f5991229764b31346f9d (diff) | |
| download | mariadb-git-07fade6d18148efbca3760fa5f7276443f318123.tar.gz | |
MDEV-22247 History partition overflow leads to wrong SELECT result
Historical query with AS OF point after the last history partition
must include last history partition because it can be overflown
(contain history rows out of right endpoint).
Move left point back to hist_part->id in that case.
Diffstat (limited to 'mysql-test/suite/versioning')
| -rw-r--r-- | mysql-test/suite/versioning/r/partition.result | 21 | ||||
| -rw-r--r-- | mysql-test/suite/versioning/t/partition.test | 21 |
2 files changed, 42 insertions, 0 deletions
diff --git a/mysql-test/suite/versioning/r/partition.result b/mysql-test/suite/versioning/r/partition.result index b152cbd89e9..d2cf32e5bd0 100644 --- a/mysql-test/suite/versioning/r/partition.result +++ b/mysql-test/suite/versioning/r/partition.result @@ -726,4 +726,25 @@ create or replace table t1 (a int) with system versioning; alter table t1 partition by system_time (partition pn current); ERROR HY000: Wrong partitions for `t1`: must have at least one HISTORY and exactly one last CURRENT drop table t1; +# +# MDEV-22247 History partition overflow leads to wrong SELECT result +# +set timestamp= unix_timestamp('2000-01-01 00:00:00'); +create or replace table t1 (x int) with system versioning +partition by system_time interval 1 hour +(partition p0 history, partition p1 history, partition pn current); +insert into t1 values (0); +update t1 set x= x + 1; +set timestamp= unix_timestamp('2000-01-01 02:00:01'); +update t1 set x= x + 1; +select *, row_start, row_end from t1 for system_time as of '2000-01-01 02:00:00'; +x row_start row_end +1 2000-01-01 00:00:00.000000 2000-01-01 02:00:01.000000 +explain partitions select * from t1 for system_time as of '2000-01-01 02:00:00'; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 p1,pn ALL NULL NULL NULL NULL # Using where +explain partitions select * from t1; +id select_type table partitions type possible_keys key key_len ref rows Extra +1 SIMPLE t1 pn # NULL NULL NULL NULL # # +drop table t1; # End of 10.3 tests diff --git a/mysql-test/suite/versioning/t/partition.test b/mysql-test/suite/versioning/t/partition.test index d131bcfcc21..c5f6b242b53 100644 --- a/mysql-test/suite/versioning/t/partition.test +++ b/mysql-test/suite/versioning/t/partition.test @@ -706,6 +706,27 @@ alter table t1 partition by system_time (partition pn current); # Cleanup drop table t1; +--echo # +--echo # MDEV-22247 History partition overflow leads to wrong SELECT result +--echo # +set timestamp= unix_timestamp('2000-01-01 00:00:00'); +create or replace table t1 (x int) with system versioning +partition by system_time interval 1 hour +(partition p0 history, partition p1 history, partition pn current); + +insert into t1 values (0); +update t1 set x= x + 1; + +set timestamp= unix_timestamp('2000-01-01 02:00:01'); +update t1 set x= x + 1; + +select *, row_start, row_end from t1 for system_time as of '2000-01-01 02:00:00'; +--replace_column 10 # +explain partitions select * from t1 for system_time as of '2000-01-01 02:00:00'; +--replace_column 5 # 10 # 11 # +explain partitions select * from t1; +drop table t1; + --echo # End of 10.3 tests --source suite/versioning/common_finish.inc |