Re: dataframe udf functioin will be executed twice when filter on new column created by withColumn

This may be related to: https://issues.apache.org/jira/browse/SPARK-13773 Regards, James On 11 May 2016 at 15:49, Ted Yu wrote: > In master branch, behavior is the same. > > Suggest opening a JIRA if you haven't done so. > > On Wed, May 11, 2016 at 6:55 AM, Tony Jin

Re: dataframe udf functioin will be executed twice when filter on new column created by withColumn

In master branch, behavior is the same. Suggest opening a JIRA if you haven't done so. On Wed, May 11, 2016 at 6:55 AM, Tony Jin wrote: > Hi guys, > > I have a problem about spark DataFrame. My spark version is 1.6.1. > Basically, i used udf and df.withColumn to create a

dataframe udf functioin will be executed twice when filter on new column created by withColumn

Hi guys, I have a problem about spark DataFrame. My spark version is 1.6.1. Basically, i used udf and df.withColumn to create a "new" column, and then i filter the values on this new columns and call show(action). I see the udf function (which is used to by withColumn to create the new column) is