Codeception/Codeception — pull request #340 by iliyav (2013-05-27 14:55:44+00:00)
Title: Db::seeInDatabase can work with NULL values

I managed to fix the problem described in issue 337. I made fix only to PostgreSQL driver, because I have no other DB to check.

This fix makes such assertions work:
$I->seeInDatabase('table', array('fieldName' => NULL));