[SAMBAD-256] 쿼리 가독성 강화

src/main/java/org/depromeet/sambad/moring/meeting/question/infrastructure/MeetingQuestionQueryRepository.java

@@ -28,7 +28,6 @@
 import com.querydsl.core.types.Projections;
 import com.querydsl.core.types.dsl.BooleanExpression;
 import com.querydsl.core.types.dsl.Expressions;
-import com.querydsl.jpa.JPQLQuery;
 import com.querydsl.jpa.impl.JPAQueryFactory;
 
 import lombok.RequiredArgsConstructor;
@@ -157,32 +156,19 @@ public List<MeetingMember> findMeetingMembersByMeetingQuestionId(Long meetingQue
 			.fetch();
 	}
 
-	/*
-	 * 각 모임 별로, 가장 최근 만료된 질문이 비활성화 상태인 경우만 조회
-	 *
-	 * SELECT *
-	 * FROM meeting_question mq
-	 * WHERE mq.question_id IS NULL
-	 * 		AND mq.status = 'INACTIVE'
-	 * 		AND mq.expired_at= (
-	 * 			SELECT MAX(mq2.expired_at)
-	 * 			FROM meeting_question mq2
-	 * 			WHERE mq2.meeting_id = mq.meeting_id
-	 * 		);
-	 */
 	public List<MeetingQuestion> findAllInactiveAndQuestionNotRegistered() {
 		QMeetingQuestion mq1 = new QMeetingQuestion("mq1");
 		QMeetingQuestion mq2 = new QMeetingQuestion("mq2");
 
-		JPQLQuery<LocalDateTime> maxExpiredAtSubQuery = select(mq2.expiredAt.max())
-			.from(mq2)
-			.where(mq2.meeting.id.eq(mq1.meeting.id));
-
 		return queryFactory.selectFrom(mq1)
 			.where(
 				mq1.question.isNull(),
 				mq1.status.eq(INACTIVE),
-				mq1.expiredAt.eq(maxExpiredAtSubQuery)
+				mq1.expiredAt.eq(
+					select(mq2.expiredAt.max())
+						.from(mq2)
+						.where(mq2.meeting.id.eq(mq1.meeting.id))
+				)
 			)
 			.fetch();
 	}