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BUG#18659: In get_part_iter_for_interval_via_walking(), when we need to

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obtain partition number, call partition_info->get_part_partition_id() when
the table has subpartitions, and get_partition_id() otherwise. (The bug
was that we were always doing the latter)


mysql-test/r/partition_pruning.result:
  Testcase for BUG#18659
mysql-test/t/partition_pruning.test:
  Testcase for BUG#18659
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unknown
2006-04-04 00:52:14 +04:00
parent 838c7ddccc
commit a26509aead
3 changed files with 33 additions and 1 deletions
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14
mysql-test/r/partition_pruning.result
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@ -583,3 +583,17 @@ explain partitions select * from t1 where a>='a' and a <= 'dddd';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p1,p2,p3,p4,p5 ALL NULL NULL NULL NULL 5 Using where
drop table t1;
create table t1 (f_int1 integer) partition by list(abs(mod(f_int1,2)))
subpartition by hash(f_int1) subpartitions 2
(
partition part1 values in (0),
partition part2 values in (1),
partition part4 values in (null)
);
insert into t1 set f_int1 = null;
select * from t1 where f_int1 is null;
f_int1
NULL
explain partitions select * from t1 where f_int1 is null;
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 part4_p2sp0 system NULL NULL NULL NULL 1