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| author | Aleksey Midenkov <midenok@gmail.com> | 2019-11-22 14:29:03 +0300 |
|---|---|---|
| committer | Aleksey Midenkov <midenok@gmail.com> | 2019-11-22 14:29:03 +0300 |
| commit | 0076dce2c89248b6c0252ec4385879194f9aadbf (patch) | |
| tree | 1774fb25fcbe854aee956841ab28298029b548f6 /sql/table.h | |
| parent | a14544260c33dcdb057d2f62c4aab33cb09ebcb1 (diff) | |
| download | mariadb-git-0076dce2c89248b6c0252ec4385879194f9aadbf.tar.gz | |
MDEV-18727 improve DML operation of System Versioning
MDEV-18957 UPDATE with LIMIT clause is wrong for versioned partitioned tables
UPDATE, DELETE: replace linear search of current/historical records
with vers_setup_conds().
Additional DML cases in view.test
Diffstat (limited to 'sql/table.h')
| -rw-r--r-- | sql/table.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sql/table.h b/sql/table.h index bec0fdd10ba..1dda70ae0da 100644 --- a/sql/table.h +++ b/sql/table.h @@ -1863,6 +1863,7 @@ struct vers_select_conds_t { vers_system_time_t type; bool used:1; + bool delete_history:1; Vers_history_point start; Vers_history_point end; @@ -1870,6 +1871,7 @@ struct vers_select_conds_t { type= SYSTEM_TIME_UNSPECIFIED; used= false; + delete_history= false; start.empty(); end.empty(); } @@ -1880,6 +1882,8 @@ struct vers_select_conds_t { type= _type; used= false; + delete_history= (type == SYSTEM_TIME_HISTORY || + type == SYSTEM_TIME_BEFORE); start= _start; end= _end; } |