exports.up = function(knex, Promise) {
  return knex.schema.createTable('folders', function (table) {
    table.increments()
    table.string('name')
    table.string('datatype') // video, audio, audio spectrogram
    table.string('username')
    table.string('activity')
    table.string('module')
    table.string('checkpoint')
    table.json('opt')
    table.timestamps()
  })
};

exports.down = function(knex, Promise) {
  return knex.schema.dropTable('folders')
};