Re: cast only some columns

Use `withColumn`. It will replace a column if you give it the same name. On Tue, Jun 21, 2016 at 4:16 AM, pseudo oduesp wrote: > Hi , > with fillna we can select some columns to perform replace some values > with chosing columns with dict > {columns :values } > but

cast only some columns

Hi , with fillna we can select some columns to perform replace some values with chosing columns with dict {columns :values } but how i can do same with cast i have data frame with 300 columns and i want just cats 4 from list columns but with select query like that :