fix: 계층적 테이블 구조에서 상위 테이블 삭제시 동작 정의

- 상위 테이블 삭제시 유효하지 않은 정보는 함께 삭제되게 구현 - 상위 테이블 삭제에도 유효한 정보(메모-멤버, 태스크-멤버)는 NULL로 설정
boostcampwm2023 · Jul 18, 2024 · 7ed3874 · 7ed3874
1 parent 7f33ce1
commit 7ed3874
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Showing 5 changed files with 31 additions and 10 deletions.
diff --git a/backend/src/project/entity/epic.entity.ts b/backend/src/project/entity/epic.entity.ts
@@ -29,7 +29,10 @@ export class Epic {
   @Column({ type: 'int', name: 'project_id' })
   projectId: number;
 
-  @ManyToOne(() => Project, (project) => project.epicList, { nullable: false })
+  @ManyToOne(() => Project, (project) => project.epicList, {
+    nullable: false,
+    onDelete: 'CASCADE',
+  })
   @JoinColumn({ name: 'project_id' })
   project: Project;
 

diff --git a/backend/src/project/entity/link.entity..ts b/backend/src/project/entity/link.entity..ts
@@ -17,7 +17,10 @@ export class Link {
   @Column({ type: 'int', name: 'project_id' })
   projectId: number;
 
-  @ManyToOne(() => Project, (project) => project.id, { nullable: false })
+  @ManyToOne(() => Project, (project) => project.id, {
+    nullable: false,
+    onDelete: 'CASCADE',
+  })
   @JoinColumn({ name: 'project_id' })
   project: Project;
 

diff --git a/backend/src/project/entity/memo.entity.ts b/backend/src/project/entity/memo.entity.ts
@@ -25,7 +25,10 @@ export class Memo {
   @Column({ type: 'int', name: 'project_id' })
   projectId: number;
 
-  @ManyToOne(() => Project, (project) => project.id, { nullable: false })
+  @ManyToOne(() => Project, (project) => project.id, {
+    nullable: false,
+    onDelete: 'CASCADE',
+  })
   @JoinColumn({ name: 'project_id' })
   project: Project;
 
@@ -41,7 +44,10 @@ export class Memo {
   @UpdateDateColumn({ type: 'timestamp' })
   updated_at: Date;
 
-  @ManyToOne(() => Member, (member) => member.id, { nullable: false })
+  @ManyToOne(() => Member, (member) => member.id, {
+    nullable: true,
+    onDelete: 'SET NULL',
+  })
   @JoinColumn({ name: 'member_id' })
   member: Member;
 

diff --git a/backend/src/project/entity/story.entity.ts b/backend/src/project/entity/story.entity.ts
@@ -24,14 +24,17 @@ export class Story {
   @Column({ type: 'int', name: 'project_id' })
   projectId: number;
 
-  @ManyToOne(() => Project, { nullable: false })
+  @ManyToOne(() => Project, { nullable: false, onDelete: 'CASCADE' })
   @JoinColumn({ name: 'project_id' })
   project: Project;
 
   @Column({ type: 'int', name: 'epic_id' })
   epicId: number;
 
-  @ManyToOne(() => Epic, (epic) => epic.storyList, { nullable: false })
+  @ManyToOne(() => Epic, (epic) => epic.storyList, {
+    nullable: false,
+    onDelete: 'CASCADE',
+  })
   @JoinColumn({ name: 'epic_id' })
   epic: Epic;
 
@@ -44,7 +47,7 @@ export class Story {
   @Column({ type: 'varchar', length: 255, nullable: false })
   status: StoryStatus;
 
-  @OneToMany(()=>Task, (task)=>task.story)
+  @OneToMany(() => Task, (task) => task.story)
   taskList: Task[];
 
   static of(

diff --git a/backend/src/project/entity/task.entity.ts b/backend/src/project/entity/task.entity.ts
@@ -23,14 +23,17 @@ export class Task {
   @Column({ type: 'int', name: 'project_id', nullable: false })
   projectId: number;
 
-  @ManyToOne(() => Project, { nullable: false })
+  @ManyToOne(() => Project, { nullable: false, onDelete: 'CASCADE' })
   @JoinColumn({ name: 'project_id' })
   project: Project;
 
   @Column({ type: 'int', name: 'story_id', nullable: false })
   storyId: number;
 
-  @ManyToOne(() => Story, (story) => story.taskList, { nullable: false })
+  @ManyToOne(() => Story, (story) => story.taskList, {
+    nullable: false,
+    onDelete: 'CASCADE',
+  })
   @JoinColumn({ name: 'story_id' })
   story: Story;
 
@@ -52,7 +55,10 @@ export class Task {
   @Column({ type: 'int', name: 'member_id', nullable: true })
   assignedMemberId: number;
 
-  @ManyToOne(() => Member, (member) => member.id, { nullable: true })
+  @ManyToOne(() => Member, (member) => member.id, {
+    nullable: true,
+    onDelete: 'SET NULL',
+  })
   @JoinColumn({ name: 'member_id' })
   member: Member;