gistfile1.txt

scala> t.printSchema
root
 |-- dt: string (nullable = true)
 |-- event: struct (nullable = true)
 |    |-- apiMode: long (nullable = true)
 |    |-- appInstallID: string (nullable = true)
 |    |-- fromBack: long (nullable = true)
 |    |-- fromDisambig: long (nullable = true)
 |    |-- fromExternal: long (nullable = true)
 |    |-- fromHistory: long (nullable = true)
 |    |-- fromInternal: long (nullable = true)
 |    |-- fromLanglink: long (nullable = true)
 |    |-- fromNearby: long (nullable = true)
 |    |-- fromRandom: long (nullable = true)
 |    |-- fromReadingList: long (nullable = true)
 |    |-- fromSaved: long (nullable = true)
 |    |-- fromSearch: long (nullable = true)
 |    |-- leadLatency: long (nullable = true)
 |    |-- length: long (nullable = true)
 |    |-- noDescription: long (nullable = true)
 |    |-- restLatency: long (nullable = true)
 |    |-- totalPages: long (nullable = true)
 |-- recvfrom: string (nullable = true)
 |-- revision: long (nullable = true)
 |-- schema: string (nullable = true)
 |-- seqid: long (nullable = true)
 |-- useragent: struct (nullable = true)
 |    |-- browser_family: string (nullable = true)
 |    |-- browser_major: string (nullable = true)
 |    |-- browser_minor: string (nullable = true)
 |    |-- device_family: string (nullable = true)
 |    |-- is_bot: boolean (nullable = true)
 |    |-- is_mediawiki: boolean (nullable = true)
 |    |-- os_family: string (nullable = true)
 |    |-- os_major: string (nullable = true)
 |    |-- os_minor: string (nullable = true)
 |    |-- wmf_app_version: string (nullable = true)
 |-- uuid: string (nullable = true)
 |-- wiki: string (nullable = true)
 |-- month: long (nullable = true)
 |-- test0: string (nullable = true)
 |-- year: long (nullable = true)


scala> inputDf1.printSchema
root
 |-- dt: string (nullable = true)
 |-- event: struct (nullable = true)
 |    |-- apiMode: long (nullable = true)
 |    |-- appInstallID: string (nullable = true)
 |    |-- fromBack: long (nullable = true)
 |    |-- fromDisambig: long (nullable = true)
 |    |-- fromExternal: long (nullable = true)
 |    |-- fromHistory: long (nullable = true)
 |    |-- fromInternal: long (nullable = true)
 |    |-- fromLanglink: long (nullable = true)
 |    |-- fromNearby: long (nullable = true)
 |    |-- fromRandom: long (nullable = true)
 |    |-- fromReadingList: long (nullable = true)
 |    |-- fromSaved: long (nullable = true)
 |    |-- fromSearch: long (nullable = true)
 |    |-- leadLatency: long (nullable = true)
 |    |-- length: long (nullable = true)
 |    |-- noDescription: long (nullable = true)
 |    |-- restLatency: long (nullable = true)
 |    |-- totalPages: long (nullable = true)
 |-- recvFrom: string (nullable = true)
 |-- revision: long (nullable = true)
 |-- schema: string (nullable = true)
 |-- seqId: long (nullable = true)
 |-- userAgent: struct (nullable = true)
 |    |-- browser_family: string (nullable = true)
 |    |-- browser_major: string (nullable = true)
 |    |-- browser_minor: string (nullable = true)
 |    |-- device_family: string (nullable = true)
 |    |-- is_bot: boolean (nullable = true)
 |    |-- is_mediawiki: boolean (nullable = true)
 |    |-- os_family: string (nullable = true)
 |    |-- os_major: string (nullable = true)
 |    |-- os_minor: string (nullable = true)
 |    |-- wmf_app_version: string (nullable = true)
 |-- uuid: string (nullable = true)
 |-- wiki: string (nullable = true)