캔 쿠폰 조회

- 사용 수량 수정

src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponNumberRepository.kt

@@ -1,6 +1,7 @@
 package kr.co.vividnext.sodalive.can.coupon
 
 import com.querydsl.jpa.impl.JPAQueryFactory
+import kr.co.vividnext.sodalive.can.coupon.QCanCoupon.canCoupon
 import kr.co.vividnext.sodalive.can.coupon.QCanCouponNumber.canCouponNumber
 import org.springframework.data.jpa.repository.JpaRepository
 
@@ -25,9 +26,10 @@ class CanCouponNumberQueryRepositoryImpl(private val queryFactory: JPAQueryFacto
         return queryFactory
             .select(canCouponNumber.id)
             .from(canCouponNumber)
+            .innerJoin(canCouponNumber.canCoupon, canCoupon)
             .where(
                 canCouponNumber.member.isNotNull
-                    .and(canCouponNumber.id.eq(id))
+                    .and(canCouponNumber.canCoupon.id.eq(id))
             )
             .fetch()
             .size