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BUG#21339: Crash at EXPLAIN PARTITIONS

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Caused by missing check for end of partitions in prune range check


mysql-test/r/partition.result:
  Added test case for duplicate bug#21388
mysql-test/r/partition_range.result:
  Added new test case for bug#21339
mysql-test/t/partition.test:
  Added test case for duplicate bug#21388
mysql-test/t/partition_range.test:
  Added new test case for bug#21339
sql/sql_partition.cc:
  Check so that we don't set outer range to be larger than max_partition
This commit is contained in:
unknown 2006-08-05 16:12:24 -04:00
parent 5e2babfe62
commit d6c2a6daec
5 changed files with 76 additions and 4 deletions
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28
mysql-test/r/partition.result
View file

@ -1117,4 +1117,32 @@ hello/master-data/tmpinx/t1#P#p1#SP#subpart11.MYI
hello/master-data/tmpinx/t1#P#p2#SP#subpart20.MYI
hello/master-data/tmpinx/t1#P#p2#SP#subpart21.MYI
drop table t1;
create table t1 (a bigint unsigned not null, primary key(a))
engine = myisam
partition by key (a)
partitions 10;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`a` bigint(20) unsigned NOT NULL,
PRIMARY KEY (`a`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 /*!50100 PARTITION BY KEY (a) PARTITIONS 10 */
insert into t1 values (18446744073709551615), (0xFFFFFFFFFFFFFFFE),
(18446744073709551613), (18446744073709551612);
select * from t1;
a
18446744073709551612
18446744073709551613
18446744073709551614
18446744073709551615
select * from t1 where a = 18446744073709551615;
a
18446744073709551615
delete from t1 where a = 18446744073709551615;
select * from t1;
a
18446744073709551612
18446744073709551613
18446744073709551614
drop table t1;
End of 5.1 tests

10
mysql-test/r/partition_range.result
View file

@ -1,4 +1,14 @@
drop table if exists t1;
create table t1 (a date)
engine = innodb
partition by range (year(a))
(partition p0 values less than (2006),
partition p1 values less than (2007));
explain partitions select * from t1
where a between '2006-01-01' and '2007-06-01';
id select_type table partitions type possible_keys key key_len ref rows Extra
1 SIMPLE t1 p1 ALL NULL NULL NULL NULL 2 Using where
drop table t1;
create table t1 (a int unsigned)
partition by range (a)
(partition pnull values less than (0),

18
mysql-test/t/partition.test
View file

@ -1300,4 +1300,22 @@ eval ALTER TABLE t1 REORGANIZE PARTITION p0 INTO
drop table t1;
--exec rmdir $MYSQLTEST_VARDIR/master-data/tmpdata || true
--exec rmdir $MYSQLTEST_VARDIR/master-data/tmpinx || true
#
# Bug 21388: Bigint fails to find record
#
create table t1 (a bigint unsigned not null, primary key(a))
engine = myisam
partition by key (a)
partitions 10;
show create table t1;
insert into t1 values (18446744073709551615), (0xFFFFFFFFFFFFFFFE),
(18446744073709551613), (18446744073709551612);
select * from t1;
select * from t1 where a = 18446744073709551615;
delete from t1 where a = 18446744073709551615;
select * from t1;
drop table t1;
--echo End of 5.1 tests

13
mysql-test/t/partition_range.test
View file

@ -9,6 +9,18 @@
drop table if exists t1;
--enable_warnings
#
# Bug 21339: Crash in Explain Partitions
#
create table t1 (a date)
engine = innodb
partition by range (year(a))
(partition p0 values less than (2006),
partition p1 values less than (2007));
explain partitions select * from t1
where a between '2006-01-01' and '2007-06-01';
drop table t1;
#
# More checks for partition pruning
#
@ -686,3 +698,4 @@ EXPLAIN PARTITIONS SELECT * from t1
WHERE (a >= '2004-07-01' AND a <= '2004-09-30') OR
(a >= '2005-07-01' AND a <= '2005-09-30');
DROP TABLE t1;

11
sql/sql_partition.cc
View file

@ -2573,10 +2573,13 @@ uint32 get_partition_id_range_for_endpoint(partition_info *part_info,
}
else
{
if (part_func_value == range_array[loc_part_id])
loc_part_id += test(include_endpoint);
else if (part_func_value > range_array[loc_part_id])
loc_part_id++;
if (loc_part_id < max_partition)
{
if (part_func_value == range_array[loc_part_id])
loc_part_id += test(include_endpoint);
else if (part_func_value > range_array[loc_part_id])
loc_part_id++;
}
loc_part_id++;
}
DBUG_RETURN(loc_part_id);