exports.up = function(knex) {
    return knex.schema.table('ARECIBOS', function(table) {
        table.bigInteger('idCobrador').unsigned();
    });

};

exports.down = function(knex) {
    return knex.schema.table('ARECIBOS', function(table) {
        table.dropColumn('idCobrador');
    });
};