Github user rxin commented on a diff in the pull request: https://github.com/apache/spark/pull/1118#discussion_r13936033 --- Diff: sql/hive/src/main/scala/org/apache/spark/sql/hive/execution/hiveOperators.scala --- @@ -445,7 +445,19 @@ case class NativeCommand( if (sideEffectResult.size == 0) { context.emptyResult } else { - val rows = sideEffectResult.map(r => new GenericRow(Array[Any](r))) + // TODO: Need a better way to handle the result of a native command. + // We may want to consider to use JsonMetaDataFormatter in Hive. + val isDescribe = sql.trim.startsWith("describe") + val rows = if (isDescribe) { + // TODO: If we upgrade Hive to 0.13, we need to check the results of + // context.sessionState.isHiveServerQuery() to determine how to split the result. + // This method is introduced by https://issues.apache.org/jira/browse/HIVE-4545. + // Right now, we split every string by any number of consecutive spaces. + sideEffectResult.map( + r => r.split("\\s+")).map(r => new GenericRow(r.asInstanceOf[Array[Any]])) --- End diff -- actually for describe can we only split up to 3 columns? ```scala scala> "a b c d e".split("\\s+", 3) res2: Array[String] = Array(a, b, c d e) ```
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