Make owner field of Program nullable (#1296)

idea/indexer/src/database/entities/program.entity.ts

@@ -16,7 +16,7 @@ export class Program extends BaseEntity implements IProgram {
   public id: string;
 
   @Index()
-  @Column()
+  @Column({ nullable: true })
   public owner: string;
 
   @Column()

idea/indexer/src/database/migrations/1685519228764-nullable-owner.ts

@@ -0,0 +1,80 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class nullableOwner1685519228764 implements MigrationInterface {
+    name = 'nullableOwner1685519228764'
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`
+            ALTER TABLE "program"
+            ALTER COLUMN "owner" DROP NOT NULL
+        `);
+        await queryRunner.query(`
+            ALTER TYPE "public"."program_type_enum"
+            RENAME TO "program_type_enum_old"
+        `);
+        await queryRunner.query(`
+            CREATE TYPE "public"."program_type_enum" AS ENUM(
+                'unknown',
+                'programSet',
+                'active',
+                'terminated',
+                'exited',
+                'paused'
+            )
+        `);
+        await queryRunner.query(`
+            ALTER TABLE "program"
+            ALTER COLUMN "type" DROP DEFAULT
+        `);
+        await queryRunner.query(`
+            ALTER TABLE "program"
+            ALTER COLUMN "type" TYPE "public"."program_type_enum" USING "type"::"text"::"public"."program_type_enum"
+        `);
+        await queryRunner.query(`
+            ALTER TABLE "program"
+            ALTER COLUMN "type"
+            SET DEFAULT 'unknown'
+        `);
+        await queryRunner.query(`
+            DROP TYPE "public"."program_type_enum_old"
+        `);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`
+            CREATE TYPE "public"."program_type_enum_old" AS ENUM(
+                'unknown',
+                'active',
+                'terminated',
+                'exited',
+                'paused'
+            )
+        `);
+        await queryRunner.query(`
+            ALTER TABLE "program"
+            ALTER COLUMN "type" DROP DEFAULT
+        `);
+        await queryRunner.query(`
+            ALTER TABLE "program"
+            ALTER COLUMN "type" TYPE "public"."program_type_enum_old" USING "type"::"text"::"public"."program_type_enum_old"
+        `);
+        await queryRunner.query(`
+            ALTER TABLE "program"
+            ALTER COLUMN "type"
+            SET DEFAULT 'unknown'
+        `);
+        await queryRunner.query(`
+            DROP TYPE "public"."program_type_enum"
+        `);
+        await queryRunner.query(`
+            ALTER TYPE "public"."program_type_enum_old"
+            RENAME TO "program_type_enum"
+        `);
+        await queryRunner.query(`
+            ALTER TABLE "program"
+            ALTER COLUMN "owner"
+            SET NOT NULL
+        `);
+    }
+
+}