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
Spark map() and mapValue() are two commonly used functions for transforming data in Spark RDDs…
PySpark SQL functions lit() and typedLit() are used to add a new column to DataFrame…
Spark SQL provides several built-in standard functions org.apache.spark.sql.functions to work with DataFrame/Dataset and SQL queries.…
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.