News Feed
Sections




News Archive
Looking for more information on how to do PHP the right way? Check out PHP: The Right Way

Gennady Feldman's Blog:
Oracle query validation
May 26, 2010 @ 11:47:06

Gennady Feldman has put together a new post for his site today looking at a recent situation he had with validating SQL queries for use with an Oracle database.

So we got an interesting use case at work where we have an admin interface to setup filters in our system. Our staff is able to enter expressions in the web interface and we have a way of checking that whatever they enter is valid or not. While trying to optimize the validation code to do stricter checking with lower overhead I ran into a little gotcha. oci_parse() function doesn't actually do validation. This was a huge surprise to me and something I didn't grok.

Frustrated by the fact that the oci_parse function didn't seem to really do much more than bind variables and prepare the SQL for insert, he searched until he came across an interesting optional flag for oci_execute, OCI_DESCRIBE_ONLY. This flag returns some explain information by default and, if the query is invalid, returns an error.

1 comment voice your opinion now!
oracle validation sql ociparse ociexecute


blog comments powered by Disqus

Similar Posts

International PHP Magazine: April 2007 Issue Released

Zend: Newly Released Versions of Zend Core for Oracle & IBM

Oracle: PHP RPMs for Oracle (PHP 5.2.3)

Agile Toolkit Blog: Which PHP Framework is the Fastest?

International PHP Magazine: IPM Poll Question: The Most Common PHP Security Mistake Is?


Community Events

Don't see your event here?
Let us know!


series language symfony2 conference podcast community php7 configure api application install example part2 laravel opinion performance introduction framework interview release

All content copyright, 2015 PHPDeveloper.org :: info@phpdeveloper.org - Powered by the Solar PHP Framework