CiviCRM Upgrade - Foreign keys / Constraint violation issue

Aug
19

Well, it is just about time for CiviCon. Even though I am not going, I want to relay a good CiviCRM war story.

Recently, we went through the process of upgrading a CiviCRM site (Drupal 6.x - CiviCRM 3.4). This can turn into a painful process if you aren't careful, and sometimes even when you are. Among the possible issues you may run into, there are some nasty errors that break the upgrade process when attempting the database upgrade script. I'm going to tell you how to get past them.

First attempt

Upgrading modules to Drupal 7

Feb
08
By João Ventura | Filed Under: coder, Drupal, modules, upgrade

With the recent release of Drupal 7, the community should now focus on upgrading existing Drupal 6 modules to Drupal 7.

Having already upgraded the print module from 4.7 to Drupal 5, and from that to Drupal 6, I can tell you that this time the process will be both harder and easier.

A lot harder