migrations/20180628193815_alter_transaction_columns.ts
import * as Knex from "knex";
exports.up = function (knex: Knex){
return knex.schema.alterTable('transaction', function(t) {
t.float('rate').alter();
});
};
exports.down = function (knex: Knex) {
return knex.schema.alterTable('transaction', function(t) {
t.integer('rate').alter();
});
};