Posted by damien tournoud on August 20, 2008 at 9:28pm
Here are the results of running our whole test suite on PostgreSQL 8.3.
Actions configuration 30 passes, 8 fails, 0 exceptions
See http://drupal.org/node/261859Block functionality 57 passes, 1 fail, 0 exceptions
No known issue (yet!)Blog API functionality 45 passes, 2 fails, 1 exception
No known issue (yet!)Search engine ranking 21 passes, 5 fails, 20 exceptions
See http://drupal.org/node/296624Module list functionality 53 passes, 4 fails, 0 exceptions
No known issue (yet!)
Some of them may be solved or easier to solve once the PDO patch will land. Anyway, please help us fix Drupal on PostgreSQL!

Comments
CalebD ran tests on postgres
CalebD ran tests on postgres with the PDO patch, will copy here:
Search engine ranking (crashes)
System: module list functionality - 4 fails
Statistics: 10 fails
So a decent improvement.
It's currently not possible
It's currently not possible to run tests on postgres, at all, due to: http://drupal.org/node/229129
User tests 4 test cases
User tests
4 test cases complete:
23 passes, 28 fails and 0 exceptions.
Yikes. I'm googling mysql installation instructions.
Fishing through layers of functions is not fun.
What is this pdo thing? I'm a new friend to drupal.