How to export data from Spark SQL to CSV

Question

This command works with HiveQL:

insert overwrite directory \'/data/home.csv\' select * from testtable;

But with Spark SQL I\'m getting an e

Answer 1

With the help of spark-csv we can write to a CSV file.

val dfsql = sqlContext.sql("select * from tablename")
dfsql.write.format("com.databricks.spark.csv").option("header","true").save("output.csv")`