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This commit is contained in:
Mattias Jonsson 2010-10-01 15:41:27 +02:00
commit 3c555b6c18
3 changed files with 48 additions and 7 deletions
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15
mysql-test/r/partition.result
View file

@ -1,5 +1,20 @@
drop table if exists t1, t2;
#
# Bug#57113: ha_partition::extra(ha_extra_function):
# Assertion `m_extra_cache' failed
CREATE TABLE t1
(id INT NOT NULL PRIMARY KEY,
name VARCHAR(16) NOT NULL,
year YEAR,
INDEX name (name(8))
)
PARTITION BY HASH(id) PARTITIONS 2;
INSERT INTO t1 VALUES ( 1, 'FooBar', '1924' );
CREATE TABLE t2 (id INT);
INSERT INTO t2 VALUES (1),(2);
UPDATE t1, t2 SET t1.year = '1955' WHERE t1.name = 'FooBar';
DROP TABLE t1, t2;
#
# Bug#55458: Partitioned MyISAM table gets crashed by multi-table update
#
CREATE TABLE t1 (

22
mysql-test/t/partition.test
View file

@ -14,6 +14,28 @@
drop table if exists t1, t2;
--enable_warnings
--echo #
--echo # Bug#57113: ha_partition::extra(ha_extra_function):
--echo # Assertion `m_extra_cache' failed
CREATE TABLE t1
(id INT NOT NULL PRIMARY KEY,
name VARCHAR(16) NOT NULL,
year YEAR,
INDEX name (name(8))
)
PARTITION BY HASH(id) PARTITIONS 2;
INSERT INTO t1 VALUES ( 1, 'FooBar', '1924' );
CREATE TABLE t2 (id INT);
INSERT INTO t2 VALUES (1),(2);
UPDATE t1, t2 SET t1.year = '1955' WHERE t1.name = 'FooBar';
DROP TABLE t1, t2;
--echo #
--echo # Bug#55458: Partitioned MyISAM table gets crashed by multi-table update
--echo #

18
sql/ha_partition.cc
View file

@ -5572,7 +5572,6 @@ int ha_partition::extra(enum ha_extra_function operation)
DBUG_RETURN(prepare_for_rename());
break;
case HA_EXTRA_PREPARE_FOR_UPDATE:
DBUG_ASSERT(m_extra_cache);
/*
Needs to be run on the first partition in the range now, and
later in late_extra_cache, when switching to a new partition to scan.
@ -5580,6 +5579,8 @@ int ha_partition::extra(enum ha_extra_function operation)
m_extra_prepare_for_update= TRUE;
if (m_part_spec.start_part != NO_CURRENT_PART_ID)
{
if (!m_extra_cache)
m_extra_cache_part_id= m_part_spec.start_part;
DBUG_ASSERT(m_extra_cache_part_id == m_part_spec.start_part);
VOID(m_file[m_part_spec.start_part]->extra(HA_EXTRA_PREPARE_FOR_UPDATE));
}
@ -5842,19 +5843,22 @@ void ha_partition::late_extra_cache(uint partition_id)
{
handler *file;
DBUG_ENTER("ha_partition::late_extra_cache");
DBUG_PRINT("info", ("extra_cache %u partid %u size %u", m_extra_cache,
DBUG_PRINT("info", ("extra_cache %u prepare %u partid %u size %u",
m_extra_cache, m_extra_prepare_for_update,
partition_id, m_extra_cache_size));
if (!m_extra_cache && !m_extra_prepare_for_update)
DBUG_VOID_RETURN;
file= m_file[partition_id];
if (m_extra_cache_size == 0)
VOID(file->extra(HA_EXTRA_CACHE));
else
VOID(file->extra_opt(HA_EXTRA_CACHE, m_extra_cache_size));
if (m_extra_cache)
{
if (m_extra_cache_size == 0)
VOID(file->extra(HA_EXTRA_CACHE));
else
VOID(file->extra_opt(HA_EXTRA_CACHE, m_extra_cache_size));
}
if (m_extra_prepare_for_update)
{
DBUG_ASSERT(m_extra_cache);
VOID(file->extra(HA_EXTRA_PREPARE_FOR_UPDATE));
}
m_extra_cache_part_id= partition_id;