| 123456789101112131415 | exports.up = knex => {  return knex.schema    .table('assets', table => {      table.dropColumn('basename')      table.string('hash').notNullable().defaultTo('')    })}exports.down = knex => {  return knex.schema    .table('assets', table => {      table.dropColumn('hash')      table.string('basename').notNullable().defaultTo('')    })}
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