1 import * as Sequelize from 'sequelize'
3 async function up (utils: {
4 transaction: Sequelize.Transaction
5 queryInterface: Sequelize.QueryInterface
6 sequelize: Sequelize.Sequelize
10 await utils.sequelize.query(
11 'DELETE FROM "videoCaption" v1 USING (SELECT MIN(id) as id, "filename" FROM "videoCaption" ' +
12 'GROUP BY "filename" HAVING COUNT(*) > 1) v2 WHERE v1."filename" = v2."filename" AND v1.id <> v2.id'
16 function down (options) {
17 throw new Error('Not implemented.')