Bug #16313 XML: extractvalue() ignores '!' in names
Submitted: 9 Jan 2006 23:19 Modified: 28 Feb 2006 22:00
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: Alexander Barkov CPU Architecture:Any

[9 Jan 2006 23:19] Peter Gulutzan
Description:
If a name contains '!', the '!' is ignored by extractvalue().

How to repeat:
mysql> select extractvalue('<a><b>b</b><b!>b!</b!></a>','//b!');
+---------------------------------------------------+
| extractvalue('<a><b>b</b><b!>b!</b!></a>','//b!') |
+---------------------------------------------------+
| b                                                 |
+---------------------------------------------------+
1 row in set (0.00 sec)
[26 Jan 2006 9:24] Alexander Barkov
Peter,

Am I right that the '!' character cannot be considered as a valid identifier part,
and we should get syntax error?

Thanks!
[28 Feb 2006 10:05] Bugs System
A patch for this bug has been committed. After review, it may
be pushed to the relevant source trees for release in the next
version. You can access the patch from:

  http://lists.mysql.com/commits/3226
[28 Feb 2006 12:52] Sergei Glukhov
ok to push
[28 Feb 2006 13:22] Alexander Barkov
Pushed into 5.1.8
[28 Feb 2006 22:00] 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 5.1.8 changelog. Closed.