Bug #13445 Partitions: crash if key method
Submitted: 23 Sep 2005 19:43 Modified: 20 Jan 2006 11:09
Reporter: Peter Gulutzan
Status: Closed
Category:Server: Partition Severity:S3 (Non-critical)
Version:5.1.2-alpha-debug OS:Linux (SUSE 9.2)
Assigned to: Mikael Ronstrom Target Version:

[23 Sep 2005 19:43] Peter Gulutzan 
Description:
If I use the KEY method of partitioning, and I
have a multi-column key, and I have a few rows
in the table, then SELECT causes a crash.

How to repeat:
mysql> create table tw (s1 int, s2 int, primary key (s1,s2)) engine=innodb partition by
key (s2,s1) partitions 4;
Query OK, 0 rows affected (0.02 sec)

mysql> insert into tw values (0,0),(1,1),(2,2),(3,3),(4,4),(5,5),(6,6);
Query OK, 7 rows affected (0.01 sec)
Records: 7  Duplicates: 0  Warnings: 0

mysql> select * from tw where s1 = 4;
ERROR 2013 (HY000): Lost connection to MySQL server during query
[1 Nov 2005 22:44] Mikael Ronstrom 
Small lapse in get_partition_set
[19 Jan 2006 10:02] Mikael Ronstrom 
Patch pushed and will appear in 5.1.6
[20 Jan 2006 11:09] Jon Stephens 
Thank you for your bug report. This issue has been committed to our
source repository of that product and will be incorporated into the
next release.

If necessary, you can access the source repository and build the latest
available version, including the bugfix, yourself. More information 
about accessing the source trees is available at
    http://www.mysql.com/doc/en/Installing_source_tree.html

Additional info:

Documented bugfix in 5.1.6 changelog. Closed.