Spark map() and mapValues()
Spark map() and mapValue() are two commonly used functions for transforming data in Spark RDDs…
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April 3, 2023
PySpark lit() – Add Literal or Constant to DataFrame
PySpark SQL functions lit() and typedLit() are used to add a new column to DataFrame…
August 12, 2020
spark sql functions
SQL Built-in Functions in Spark
Spark SQL Function Introduction Spark SQL functions are a set of built-in functions provided by…
July 7, 2019
Spark Add Constant Column to DataFrame
Let's see how to add a new column by assigning a literal or constant value to Spark DataFrame. Spark SQL provides lit() and typedLit() function to add a literal value to DataFrame. These both functions return Column type.
April 4, 2019