小编NTs*_*kov的帖子

我有一个存储库函数，我想使用 CASE WHEN THEN ELSE，但学说不允许在 ELSE 中使用 NULL。当然，我用谷歌搜索，但我找不到如何避免它的答案。

public function countAverageOdd($user) {
    return $this->getEntityManager()
                    ->createQuery('
                            SELECT
                                avg(
                                    CASE
                                        WHEN p.homeAway = \'h\' AND p.moneyline IS NOT NULL THEN m.home
                                        WHEN p.homeAway = \'d\' AND p.moneyline IS NOT NULL THEN m.draw
                                        WHEN p.homeAway = \'e\' AND p.moneyline IS NOT NULL THEN m.away
                                        WHEN p.homeAway = \'h\' AND p.spread IS NOT NULL THEN s.home
                                        WHEN p.homeAway = \'e\' AND p.spread IS NOT NULL THEN s.away
                                        WHEN p.homeAway = \'h\' AND p.total IS …