Github user dongjoon-hyun commented on the pull request: https://github.com/apache/spark/pull/12290#issuecomment-208117591 Other examples in `http://spark.apache.org/docs/latest/sql-programming-guide.html` also shows `long`. By the way, as you requested, I cleanly synced, built and tested this again a minute ago. I hope it helps your review. ``` scala> val path = "examples/src/main/resources/people.json" path: String = examples/src/main/resources/people.json scala> val people = sqlContext.read.json(path) people: org.apache.spark.sql.DataFrame = [age: bigint, name: string] scala> people.printSchema() root |-- age: long (nullable = true) |-- name: string (nullable = true) ``` Thank you, @srowen .
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