server/core/initializers/migrations/0575-duplicate-thumbnail.ts
import * as Sequelize from 'sequelize'
async function up (utils: {
transaction: Sequelize.Transaction
queryInterface: Sequelize.QueryInterface
sequelize: Sequelize.Sequelize
db: any
}): Promise<void> {
{
const query = 'DELETE FROM "thumbnail" s1 ' +
'USING (SELECT MIN(id) as id, "filename", "type" FROM "thumbnail" GROUP BY "filename", "type" HAVING COUNT(*) > 1) s2 ' +
'WHERE s1."filename" = s2."filename" AND s1."type" = s2."type" AND s1.id <> s2.id'
await utils.sequelize.query(query)
}
}
function down (options) {
throw new Error('Not implemented.')
}
export {
up,
down
}