[example] replace flask example

components/gitpod-db/src/typeorm/migration/1617617125217-UpdateFlask.ts

@@ -0,0 +1,31 @@
+/**
+ * Copyright (c) 2021 Gitpod GmbH. All rights reserved.
+ * Licensed under the GNU Affero General Public License (AGPL).
+ * See License-AGPL.txt in the project root for license information.
+ */
+
+import {MigrationInterface, QueryRunner} from "typeorm";
+
+export class UpdateFlask1617617125217 implements MigrationInterface {
+
+    public async up(queryRunner: QueryRunner): Promise<any> {
+        const toDelete = [
+            'https://github.com/breatheco-de/python-flask-api-tutorial'
+        ];
+        const newEntries = [
+            { url: 'https://github.com/gitpod-io/python-flask-example', description: 'The official example from Flask', priority: 40 },
+        ]
+        // delete old entries
+        await queryRunner.query(`DELETE FROM d_b_repository_white_list where url in (${toDelete.map(e => '?').join(', ')})`, toDelete);
+        const insert = `INSERT IGNORE INTO d_b_repository_white_list (url, description, priority) VALUES ${newEntries.map(e=>'(?, ?, ?)').join(', ')}`;
+        const values: any[] = [];
+        for (const e of newEntries) {
+            values.push(e.url, e.description, e.priority);
+        }
+        await queryRunner.query(insert, values);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<any> {
+    }
+
+}