Databricks

supriya · 01-22-2016

I need to create new column with data in dataframe. Example:val test = sqlContext.createDataFrame(Seq( (4L, "spark i j k"), (5L, "l m n"), (6L, "mapreduce spark"), (7L, "apache hadoop"), (11L, "a b c d e spark"), (12L, "b d"), (13L, "spark f g h"), ...

supriya · 01-09-2017

@jack AKA karthik: For adding a timestamp in dataframe dynamically: import org.apache.spark.sql.functions._ val AppendDF = customerDF.withColumn("new_column_name",current_timestamp()) I think it's work for you.

supriya · 01-31-2016

Thanx @Raela Wang . But my requirement is different, i want to add Average column in test dataframe behalf of id column. I know this one is possible using join ...but I think join process is too slow. If you have any other solution then you can sug...

Databricks

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How to append new column values in dataframe behalf of unique id's

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Re: How to append new column values in dataframe behalf of unique id's