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Read more about the article Spark SQL Map functions – complete list
Apache Spark / Spark SQL Functions

Spark SQL Map functions – complete list

In this article, I will explain the usage of the Spark SQL map functions map(), map_keys(), map_values(), map_contact(), map_from_entries() on DataFrame column using Scala example. Though I've explained here with Scala, a similar method could be…

0 Comments
October 6, 2019
Read more about the article Spark SQL StructType & StructField with examples
Apache Spark

Spark SQL StructType & StructField with examples

Spark SQL StructType & StructField classes are used to programmatically specify the schema to the DataFrame and creating complex columns like nested struct, array and map columns. StructType is a…

7 Comments
September 21, 2019
Read more about the article Spark withColumnRenamed to Rename Column
Apache Spark

Spark withColumnRenamed to Rename Column

In Spark withColumnRenamed() is used to rename one column or multiple DataFrame column names. Depends on the DataFrame schema, renaming columns might get simple to complex, especially when a column…

0 Comments
February 27, 2019
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