[GitHub] [spark] LantaoJin commented on a change in pull request #28833: [SPARK-20680][SQL] Spark-sql do not support for void column datatype

[GitBox <gi...@apache.org>]

LantaoJin commented on a change in pull request #28833:
URL: https://github.com/apache/spark/pull/28833#discussion_r440082623



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File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/parser/AstBuilder.scala
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@@ -2211,6 +2211,7 @@ class AstBuilder(conf: SQLConf) extends SqlBaseBaseVisitor[AnyRef] with Logging
         DecimalType(precision.getText.toInt, 0)
       case ("decimal" | "dec" | "numeric", precision :: scale :: Nil) =>
         DecimalType(precision.getText.toInt, scale.getText.toInt)
+      case ("void", Nil) => NullType

Review comment:
       Just re-submit this PR since I don't know how to reopen. It's based on the latest discussions in #17953. Don't worry, we can close this if the community thinks the changes worthless to do.




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