Before the fix:
ha_partition objects had ha_partition::m_part_info==NULL and that caused
crash
After:
- The new ha_partition::clone() function makes the clones use parent's
m_part_info value.
- The parent ha_partition object remains responsible for deallocation of
m_part_info.
mysql-test/r/partition_innodb.result:
BUG#26117 "index_merge sort-union over partitioned table crashes"
- Testcase
mysql-test/t/partition_innodb.test:
BUG#26117 "index_merge sort-union over partitioned table crashes"
- Testcase
mysql-test/r/partition_innodb.result:
New BitKeeper file ``mysql-test/r/partition_innodb.result''
mysql-test/t/partition_innodb.test:
New BitKeeper file ``mysql-test/t/partition_innodb.test''