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MDEV-18727 improve DML operation of System Versioning

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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
This commit is contained in:
Aleksey Midenkov
2019-11-22 14:29:03 +03:00
parent a14544260c
commit 0076dce2c8
19 changed files with 271 additions and 87 deletions
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sql/mysqld.h
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@ -189,7 +189,8 @@ enum vers_system_time_t
SYSTEM_TIME_AS_OF,
SYSTEM_TIME_FROM_TO,
SYSTEM_TIME_BETWEEN,
SYSTEM_TIME_BEFORE,
SYSTEM_TIME_BEFORE, // used for DELETE HISTORY ... BEFORE
SYSTEM_TIME_HISTORY, // used for DELETE HISTORY
SYSTEM_TIME_ALL
};