server/initializers/migrations/0575-duplicate-thumbnail.ts

   1 import * as Sequelize from 'sequelize'
   2
   3 async function up (utils: {
   4   transaction: Sequelize.Transaction
   5   queryInterface: Sequelize.QueryInterface
   6   sequelize: Sequelize.Sequelize
   7   db: any
   8 }): Promise<void> {
   9   {
  10     const query = 'DELETE FROM "thumbnail" s1 ' +
  11       'USING (SELECT MIN(id) as id, "filename", "type" FROM "thumbnail" GROUP BY "filename", "type" HAVING COUNT(*) > 1) s2 ' +
  12       'WHERE s1."filename" = s2."filename" AND s1."type" = s2."type" AND s1.id <> s2.id'
  13     await utils.sequelize.query(query)
  14   }
  15 }
  16
  17 function down (options) {
  18   throw new Error('Not implemented.')
  19 }
  20
  21 export {
  22   up,
  23   down
  24 }