provide: up, down

up = (knex, Promise) ->
  <% if (d.tableName) { %>
  knex.schema.createTable "<%= d.tableName %>": t ->
    t.increments()
    t.timestamp()
  <% } %>


down = (knex, Promise) ->
  <% if (d.tableName) { %>
  knex.schema.dropTable("<%= d.tableName %>")
  <% } %>