pythonapache-sparkpysparkapache-spark-sqlazure-databricks
How to de-serialize the spark data frame into another data frame
I am trying to de-serialize the the spark data frame into another data frame as expected below.
Existing Dataframe Data:
Existing Dataframe schema:
Expected Dataframe:
Can anyone help me on this?
Solution
You can use the explode function for that.
from pyspark.sql.functions import explode
df.withColumn("ns2:fileName", explode(df.ns2:fileName))
EDIT
df.withColumn("result", explode(zip($"ns2:fileName", $"ns2:alias"))).select(
$"result._1".alias("ns2:fileName"), $"result._2".alias("ns2:alias"))
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