refactor: 복합인덱스 순서 변경

data/db/migration/entity/V1.00.0.8__relocate_composite_constraint_order.sql

@@ -0,0 +1,25 @@
+-- 복합 제약 조건을 제거
+ALTER TABLE MAPPING_MEMBER_WORKBOOK
+    DROP PRIMARY KEY;
+
+ALTER TABLE MAPPING_WORKBOOK_ARTICLE
+    DROP PRIMARY KEY;
+
+ALTER TABLE SUBSCRIPTION
+    DROP KEY target_member_id;
+
+ALTER TABLE SUBSCRIPTION
+    DROP KEY target_workbook_id;
+
+-- 복합 제약 조건을 추가
+ALTER TABLE MAPPING_MEMBER_WORKBOOK
+    ADD CONSTRAINT mapping_member_workbook_pk PRIMARY KEY (member_id, workbook_id);
+
+ALTER TABLE MAPPING_WORKBOOK_ARTICLE
+    ADD CONSTRAINT mapping_workbook_article_pk PRIMARY KEY (article_id, workbook_id);
+
+ALTER TABLE SUBSCRIPTION
+    ADD CONSTRAINT subscription_unique_member_id_target_member_id UNIQUE (member_id, target_member_id);
+
+ALTER TABLE SUBSCRIPTION
+    ADD CONSTRAINT subscription_unique_member_id_target_workbook_id UNIQUE (member_id, target_workbook_id);