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MDEV-21233 Assertion `m_extra_cache' failed in ha_partition::late_extra_cache

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Incorrect assertion of EXTRA_CACHE for
HA_EXTRA_PREPARE_FOR_UPDATE. The latter is related to read cache, but
must operate without it as a noop.

Related to Bug#55458 and MDEV-20441.
This commit is contained in:
Aleksey Midenkov
2019-12-05 15:11:18 +03:00
parent c4ed1bee5b
commit d759f764f6
3 changed files with 22 additions and 1 deletions
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9
mysql-test/suite/versioning/r/partition.result
View File

@ -605,3 +605,12 @@ Table Op Msg_type Msg_text
test.t1 check note Not supported for non-INTERVAL history partitions test.t1 check note Not supported for non-INTERVAL history partitions
test.t1 check note The storage engine for the table doesn't support check test.t1 check note The storage engine for the table doesn't support check
drop table t1; drop table t1;
#
# MDEV-21233 Assertion `m_extra_cache' failed in ha_partition::late_extra_cache
#
create table t1 (id int, a varchar(8)) with system versioning partition by key (id) partitions 2;
insert into t1 values (1,'foo'),(2,'bar');
create table t2 (b int);
insert into t2 values (1),(2);
update t1, t2 set a = 1;
drop table t1, t2;

13
mysql-test/suite/versioning/t/partition.test
View File

@ -553,5 +553,18 @@ check table t1;
# cleanup # cleanup
drop table t1; drop table t1;
--echo #
--echo # MDEV-21233 Assertion `m_extra_cache' failed in ha_partition::late_extra_cache
--echo #
create table t1 (id int, a varchar(8)) with system versioning partition by key (id) partitions 2;
insert into t1 values (1,'foo'),(2,'bar');
create table t2 (b int);
insert into t2 values (1),(2);
update t1, t2 set a = 1;
# cleanup
drop table t1, t2;
--source suite/versioning/common_finish.inc --source suite/versioning/common_finish.inc

1
sql/ha_partition.cc
View File

@ -9227,7 +9227,6 @@ void ha_partition::late_extra_cache(uint partition_id)
} }
if (m_extra_prepare_for_update) if (m_extra_prepare_for_update)
{ {
DBUG_ASSERT(m_extra_cache);
(void) file->extra(HA_EXTRA_PREPARE_FOR_UPDATE); (void) file->extra(HA_EXTRA_PREPARE_FOR_UPDATE);
} }
m_extra_cache_part_id= partition_id; m_extra_cache_part_id= partition_id;