Bug #6294 Updated: Strange behaviour when using DB2

ID: 6294 Updated by: sander Reported By: ltning@anduin.net Old Status: Open Status: Feedback Bug Type: ODBC related Operating System: RedHat Linux 6.2 PHP Version: 4.0.1pl2 New Comment: Does this problem still occur with 4.0.6, the latest RC (http://download.php.net/~zeev/php-4.1.0RC3.tar.gz) or the latest CVS? Previous Comments: ------------------------------------------------------------------------ [2001-04-10 13:30:32] ltning@anduin.net No, since the GENERATE_UNIQUE() function, which relies on a FOR BIT DATA field still won't work. It seems to be the FOR BIT DATA variants of the CHAR fields that PHP has problems with, and even though I haven't bumped into more situations where I need this, It sure will happen at some point - I can imagine I'll encounter the problem when we next month start to store product pictures in the database. A such field type would be convenient to use, as an alternative to xLOB fields.. ------------------------------------------------------------------------ [2001-04-10 09:28:41] kalowsky@php.net Please use the Bug system to respond to bugs. User Reports: No, since the GENERATE_UNIQUE() function, which relies on a FOR BIT DATA field still won't work. It seems to be the FOR BIT DATA variants of the CHAR fields that PHP has problems with, and even though I haven't bumped into more situations where I need this, It sure will happen at some point - I can imagine I'll encounter the problem when we next month start to store product pictures in the database. A such field type would be convenient to use, as an alternative to xLOB fields.. Best regards, Eirik Overby ------------------------------------------------------------------------ [2001-04-09 11:11:12] kalowsky@php.net Judging by your second comment, would you consider this bug closed? ------------------------------------------------------------------------ [2000-08-22 11:26:07] ltning@anduin.net I have been able to narrow the problem down to the useage of the "FOR BIT DATA" modifier to the CHAR type. To use the GENERATE_UNIQUE() function in DB2, one must have a CHAR(13) FOR BIT DATA field. When working with a table with such a field, PHP seems to choke and do many strange things.. Now that I redesigned the database into just using plain CHAR(13) fields (planning to use uniqid()), everything seems to work a lot better. -Eirik ------------------------------------------------------------------------ [2000-08-22 09:34:14] ltning@anduin.net Hi! Having installed DB2 and compiled PHP with --with-ibm-db2 option, set the environment properly and started apache/php, I have the following situation: Connecting to the database works fine. Inserting data into tables in a database works fine, it seems. I can view the data using the command line interface to DB2 or any other tool. Selecting from a table, however, is rather flakey, at best. In my case, doing a "SELECT * FROM bar" seems to work, but when using odbc_result_all() to print the result set, the first field (an ID field, CHAR(13) BIT DATA) shows as either empty or with strange data. This strange data is, in this case, either "ml>" (part of "<html>"??) or "/usr/bin:/usr/sbin:/usr/local/bin:"........ .. Seems to be a environment variable on my system. When running it through PHP4 for OS/2 instead, these "strange data" are either "ml>" or parts of the SQL statement. Doing a "SELECT foo FROM bar" returns nothing at all, even though the exact same statement returns the data I want in any other tool I use to manage the database. This sounds to me like a nasty bug - pointer problems or something? - in your code.. Either that, or it's something stupid I've done. ;) Hope this can be resolved as soon as possible, since we're about to do a company-wide transition from MySQL to DB2 these days. This encounter is a serious set-back .. Best regards, Eirik Overby Freepoint Networks GmbH Haburg, Germany ------------------------------------------------------------------------ Edit this bug report at http://bugs.php.net/?id=6294&edit=1