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From cloud-fan <>
Subject [GitHub] spark pull request #16422: [SPARK-17642] [SQL] support DESC EXTENDED/FORMATT...
Date Thu, 29 Dec 2016 04:51:19 GMT
Github user cloud-fan commented on a diff in the pull request:
    --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala
    @@ -300,10 +300,12 @@ class SparkSqlAstBuilder(conf: SQLConf) extends AstBuilder {
        * Create a [[DescribeTableCommand]] logical plan.
       override def visitDescribeTable(ctx: DescribeTableContext): LogicalPlan = withOrigin(ctx)
    -    // Describe column are not supported yet. Return null and let the parser decide
    -    // what to do with this (create an exception or pass it on to a different system).
         if (ctx.describeColName != null) {
    -      null
    +      DescribeColumnCommand(
    --- End diff --
    shall we throw exception here if partition spec is given?

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