Merge pull request #77 from backendoori/fix-post-delete

🔨  좋아요가 있는 게시글 삭제 가능하도록 ON DELETE CASCADE 설정

mysql/schema.sql

@@ -55,5 +55,5 @@ CREATE TABLE likes
 
     CONSTRAINT posts_pk PRIMARY KEY (id),
     FOREIGN KEY (user_id) REFERENCES users (id),
-    FOREIGN KEY (post_id) REFERENCES posts (id)
+    FOREIGN KEY (post_id) REFERENCES posts (id) ON DELETE CASCADE
 );