This purpose of this task is to fix the quiz releated database discrepancies between a fresh install of Moodle 2.0 and an upgraded site.
quiz
- questiondecimalpoints in 1.9 defaults to 2, in 2.0 defaults to -2
- sumgrades, grade in 1.9 are DEFAULT NULL, in 2.0 NOT NULL DEFAULT '0.0000000',
quiz_attempts
- sumgrades in 1.9 are DEFAULT NULL, in 2.0 NOT NULL DEFAULT '0.0000000',
quiz_feedback
- mingrade, maxgrade in 1.9 are DEFAULT NULL, in 2.0 NOT NULL DEFAULT '0.0000000',
quiz_grades
- grade in 1.9 are DEFAULT NULL, in 2.0 NOT NULL DEFAULT '0.0000000',
quiz_question_instances
- grade in 1.9 are DEFAULT NULL, in 2.0 NOT NULL DEFAULT '0.0000000',