| B | ↘ | D | Sql got worse |
| ⇢ | A | Sql::clauseAndRatingField() added | |
| ⇢ | A | Sql::ratingColumn() added | |
| ⇢ | A | Sql::joinMethod() added | |
| ⇢ | A | Database::deleteInvalidReviews() added | |
| ⇢ | A | ToolsController::repairReviewRelations() added | |
| ⇢ | A | ToolsController::repairReviewRelationsAjax() added | |
| ⇢ | A | Sql::clauseJoinRatingField() added | |
| ⇢ | A | Sql::isCustomRatingField() added |