Init commit

server/core/initializers/migrations/0755-unique-viewer-url.ts

@@ -0,0 +1,27 @@
+import * as Sequelize from 'sequelize'
+
+async function up (utils: {
+  transaction: Sequelize.Transaction
+  queryInterface: Sequelize.QueryInterface
+  sequelize: Sequelize.Sequelize
+  db: any
+}): Promise<void> {
+  const { transaction } = utils
+
+  const query = 'DELETE FROM "localVideoViewer" t1 ' +
+  'USING (SELECT MIN(id) as id, "url" FROM "localVideoViewer" GROUP BY "url" HAVING COUNT(*) > 1) t2 ' +
+  'WHERE t1."url" = t2."url" AND t1.id <> t2.id'
+
+  await utils.sequelize.query(query, { transaction })
+}
+
+async function down (utils: {
+  queryInterface: Sequelize.QueryInterface
+  transaction: Sequelize.Transaction
+}) {
+}
+
+export {
+  up,
+  down
+}