// ---------------------------------------------------------------------------
-const LAST_MIGRATION_VERSION = 635
+const LAST_MIGRATION_VERSION = 640
// ---------------------------------------------------------------------------
--- /dev/null
+import * as Sequelize from 'sequelize'
+
+async function up (utils: {
+ transaction: Sequelize.Transaction
+ queryInterface: Sequelize.QueryInterface
+ sequelize: Sequelize.Sequelize
+ db: any
+}): Promise<void> {
+ {
+ await utils.sequelize.query(
+ 'DELETE FROM "actor" v1 USING (SELECT MIN(id) as id, "preferredUsername", "serverId" FROM "actor" ' +
+ 'GROUP BY "preferredUsername", "serverId" HAVING COUNT(*) > 1 AND "serverId" IS NOT NULL) v2 ' +
+ 'WHERE v1."preferredUsername" = v2."preferredUsername" AND v1."serverId" = v2."serverId" AND v1.id <> v2.id'
+ )
+ }
+
+ {
+ await utils.sequelize.query(
+ 'DELETE FROM "actor" v1 USING (SELECT MIN(id) as id, "url" FROM "actor" GROUP BY "url" HAVING COUNT(*) > 1) v2 ' +
+ 'WHERE v1."url" = v2."url" AND v1.id <> v2.id'
+ )
+ }
+
+ {
+ await utils.sequelize.query(
+ 'DELETE FROM "tag" v1 USING (SELECT MIN(id) as id, "name" FROM "tag" GROUP BY "name" HAVING COUNT(*) > 1) v2 ' +
+ 'WHERE v1."name" = v2."name" AND v1.id <> v2.id'
+ )
+ }
+}
+
+function down (options) {
+ throw new Error('Not implemented.')
+}
+
+export {
+ up,
+ down
+}