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This commit is contained in:
Alexey Botchkov 2010-10-15 20:44:55 +05:00
commit c8adfa3366
2 changed files with 19 additions and 2 deletions
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13
mysql-test/t/partition_innodb.test
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@ -577,6 +577,19 @@ connection default;
SELECT * FROM t1; SELECT * FROM t1;
COMMIT; COMMIT;
DROP TABLE t1; DROP TABLE t1;
#
# Bug #55146 Assertion `m_part_spec.start_part == m_part_spec.end_part' in index_read_idx_map
#
CREATE TABLE t1 (i1 int NOT NULL primary key, f1 int) ENGINE = InnoDB
PARTITION BY HASH(i1) PARTITIONS 2;
INSERT INTO t1 VALUES (1,1), (2,2);
SELECT * FROM t1 WHERE i1 = ( SELECT i1 FROM t1 WHERE f1=0 LIMIT 1 );
DROP TABLE t1;
--enable_parsing --enable_parsing
--echo # --echo #

8
sql/ha_partition.cc
View File

@ -4382,8 +4382,12 @@ int ha_partition::index_read_idx_map(uchar *buf, uint index,
get_partition_set(table, buf, index, &m_start_key, &m_part_spec); get_partition_set(table, buf, index, &m_start_key, &m_part_spec);
/* How can it be more than one partition with the current use? */ /*
DBUG_ASSERT(m_part_spec.start_part == m_part_spec.end_part); We have either found exactly 1 partition
(in which case start_part == end_part)
or no matching partitions (start_part > end_part)
*/
DBUG_ASSERT(m_part_spec.start_part >= m_part_spec.end_part);
for (part= m_part_spec.start_part; part <= m_part_spec.end_part; part++) for (part= m_part_spec.start_part; part <= m_part_spec.end_part; part++)
{ {