Linkando van com usuário

src/database/migrations/1655720865095-AddUserIdFieldToVansTable.ts

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+import { MigrationInterface, QueryRunner, TableColumn } from 'typeorm';
+
+export class AddUserIdFieldToVansTable1655720865095
+  implements MigrationInterface
+{
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.addColumn(
+      'vans',
+      new TableColumn({
+        name: 'user_id',
+        type: 'uuid',
+        isNullable: true,
+      }),
+    );
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.dropColumn('vans', 'user_id');
+  }
+}

src/database/migrations/1655720873936-AddFKUserIdToVansTable.ts

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+import { MigrationInterface, QueryRunner, TableForeignKey } from 'typeorm';
+
+export class AddFKUserIdToVansTable1655720873936 implements MigrationInterface {
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.createForeignKey(
+      'vans',
+      new TableForeignKey({
+        name: 'UserIdVan', // nome da FK, serve para referenciar numa exclusão pelo QueryRunner se necessário
+        columnNames: ['user_id'], // coluna que vai virar FK
+        referencedColumnNames: ['id_user'], // coluna PK da primeira tabela
+        referencedTableName: 'users', // nome da tabela que possui a PK
+        onDelete: 'SET NULL',
+        onUpdate: 'CASCADE',
+      }),
+    );
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.dropForeignKey(
+      'vans',
+      'UserIdVan',
+    );
+  }
+}