MySQL Bugs: #16242: XML: crash if Xpath expression has '='

Bug #16242	XML: crash if Xpath expression has '='
Submitted:	6 Jan 2006 1:25	Modified:	15 Mar 2006 15:09
Reporter:	Peter Gulutzan	Email Updates:
Status:	Closed	Impact on me:	None
Category:	MySQL Server: XML functions	Severity:	S3 (Non-critical)
Version:	5.1.5-alpha-debug	OS:	Linux (SUSE 10.0)
Assigned to:	Sergei Glukhov	CPU Architecture:	Any

Description:
I have an XML document. I search it with ExtractValue().
If the XPath part of ExtractValue() has an '=' operator, crash.

How to repeat:
mysql> set @xml = "<a><b><c>1</c></b></a>";
Query OK, 0 rows affected (0.05 sec)

mysql> select extractvalue(@xml,'a/b/c="1"');
ERROR 2013 (HY000): Lost connection to MySQL server during query

miguel@hegel:~/dbs/5.1> bin/mysql -uroot test
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A

Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 1 to server version: 5.1.5-alpha-debug

Type 'help;' or '\h' for help. Type '\c' to clear the buffer.

mysql> set @xml = "<a><b><c>1</c></b></a>";
Query OK, 0 rows affected (0.00 sec)

mysql> select extractvalue(@xml,'a/b/c="1"');
ERROR 2013 (HY000): Lost connection to MySQL server during query
mysql>

Fixed by Bar(fix for Bug #16234	XML: Crash if ExtractValue() )
Changeset:
http://lists.mysql.com/commits/2430

Thank you for your bug report. This issue has already been fixed
in the latest released version of that product, which you can download at 
http://www.mysql.com/downloads/

Additional info:

Documented bugfix in 5.1.7 changelog. Closed.