Spark Check Column Present in DataFrame
You can get all columns of a DataFrame as an Array[String] by using columns attribute of Spark DataFrame and use this with Scala Array functions to check if a column/field…
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April 4, 2021
PySpark Check Column Exists in DataFrame
Problem: I have a PySpark DataFrame and I would like to check if a column exists in the DataFrame schema, could you please explain how to do it? Also, I…
April 3, 2021