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From 崔苗 <cuim...@danale.com>
Subject Re:Re: how to use lit() in spark-java
Date Mon, 26 Mar 2018 02:32:03 GMT
It works,thanks

在 2018-03-23 21:47:52,"Anthony, Olufemi" <Olufemi.Anthony@capitalone.com> 写道:
You can us import static to import it directly:
 
import static org.apache.spark.sql.functions.lit;
 
Femi
From: 崔苗 <cuimiao@danale.com>
 Date: Friday, March 23, 2018 at 8:34 AM
 To: "user@spark.apache.org" <user@spark.apache.org>
 Subject: how to use lit() in spark-java

 

Hi Guys, 
 

I want to add a constant column to dataset by lit function in java, like that:
  dataset.withColumn(columnName,lit("constant"))
 but it's seems that idea coundn't found the lit() function,so how to use lit() function in
java?

 thanks for any reply











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