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MDEV-15456 Server crashes upon adding or dropping a partition in ALTE…
…R under LOCK TABLE after ER_SAME_NAME_PARTITION ALTER TABLE ... ADD PARTITION modifies the open TABLE structure, and sets table->need_reopen=1 to reset these modifications in case of an error. But under LOCK TABLES the table isn't get reopened, despite need_reopen. Fixed by reopening need_reopen tables under LOCK TABLE.
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Original file line number | Diff line number | Diff line change |
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@@ -35,3 +35,13 @@ ALTER TABLE t1 REORGANIZE PARTITION p1 INTO | |
PARTITION p3 VALUES IN (4,5,6) | ||
); | ||
DROP TABLE t1; | ||
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# | ||
# MDEV-15456 Server crashes upon adding or dropping a partition in ALTER under LOCK TABLE after ER_SAME_NAME_PARTITION | ||
# | ||
create table t1 (i int) partition by range(i) (partition p0 values less than (10)); | ||
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vuvova
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|
||
lock table t1 write; | ||
--error ER_SAME_NAME_PARTITION | ||
alter table t1 add partition (partition p0 values less than (20)); | ||
alter table t1 add partition (partition p1 values less than (20)) /* comment */; | ||
drop table t1; |
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engine=innodb
will cause a crash here.