Craft\Neo_BlockElementType::modifyElementsQuery PHP Method

    public function modifyElementsQuery(DbCommand $query, ElementCriteriaModel $criteria)
    {
        $query->addSelect('
				neoblocks.fieldId,
				neoblocks.ownerId,
				neoblocks.ownerLocale,
				neoblocks.typeId,
				neoblocks.collapsed
			')->join('neoblocks neoblocks', 'neoblocks.id = elements.id')->leftJoin('neoblockstructures neoblockstructures', ['and', 'neoblockstructures.ownerId = neoblocks.ownerId', 'neoblockstructures.fieldId = neoblocks.fieldId', ['or', 'neoblockstructures.ownerLocale = neoblocks.ownerLocale', ['and', 'neoblockstructures.ownerLocale is null', 'neoblocks.ownerLocale is null']]])->leftJoin('structureelements structureelements', ['and', 'structureelements.structureId = neoblockstructures.structureId', 'structureelements.elementId = neoblocks.id']);
        if ($criteria->fieldId) {
            $query->andWhere(DbHelper::parseParam('neoblocks.fieldId', $criteria->fieldId, $query->params));
        }
        if ($criteria->ownerId) {
            $query->andWhere(DbHelper::parseParam('neoblocks.ownerId', $criteria->ownerId, $query->params));
        }
        if ($criteria->ownerLocale) {
            $query->andWhere(DbHelper::parseParam('neoblocks.ownerLocale', $criteria->ownerLocale, $query->params));
        }
        if ($criteria->typeId) {
            $query->andWhere(DbHelper::parseParam('neoblocks.typeId', $criteria->typeId, $query->params));
        } else {
            if ($criteria->type) {
                $query->join('neoblocktypes neoblocktypes', 'neoblocktypes.id = neoblocks.typeId');
                $query->andWhere(DbHelper::parseParam('neoblocktypes.handle', $criteria->type, $query->params));
            }
        }
    }