Merge pull request #82 from wwWallet/db-migration

Database schema migration

Author: kkmanos

src/AppDataSource.ts

@@ -11,7 +11,8 @@ const AppDataSource: DataSource = new DataSource({
 	password: config.db.password,
 	database: config.db.dbname,
 	entities: [__dirname + "/entities/*.entity.{js,ts}"],
-	synchronize: true
+	synchronize: false,
+	migrations: ["src/migration/**/*.{ts}"],
 });
 
 (async function initDataSource() {

src/entities/VerifiableCredential.entity.ts

@@ -17,7 +17,7 @@ export class VerifiableCredentialEntity {
 	@Column({ nullable: false })
 	credentialIdentifier: string = "";
 
-	@Column({ nullable: false, type: 'blob' })
+	@Column({ nullable: false, type: 'mediumblob' })
 	credential: string;
 
 	@Column({ type: "varchar", nullable: false })

src/migration/1743779759924-IncreaseRawCredentialColumnSize.ts

@@ -0,0 +1,20 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class IncreaseRawCredentialColumnSize1743779759924 implements MigrationInterface {
+	name = 'IncreaseRawCredentialColumnSize1743779759924'
+
+	public async up(queryRunner: QueryRunner): Promise<void> {
+		await queryRunner.query(`
+			ALTER TABLE verifiable_credential
+			MODIFY COLUMN credential MEDIUMBLOB;
+		`);
+	}
+
+	public async down(queryRunner: QueryRunner): Promise<void> {
+		await queryRunner.query(`
+			ALTER TABLE verifiable_credential
+			MODIFY COLUMN credential BLOB;
+		`);
+	}
+
+}