[GitHub] cloud-fan commented on a change in pull request #23376: [SPARK-26435][SQL] Support creating partitioned table using Hive CTAS by specifying partition column names

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cloud-fan commented on a change in pull request #23376: [SPARK-26435][SQL] Support creating partitioned table using Hive CTAS by specifying partition column names
URL: https://github.com/apache/spark/pull/23376#discussion_r243872335
 
 

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 File path: sql/core/src/main/scala/org/apache/spark/sql/execution/SparkSqlParser.scala
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 @@ -1196,13 +1196,16 @@ class SparkSqlAstBuilder(conf: SQLConf) extends AstBuilder(conf) {
 
     selectQuery match {
       case Some(q) =>
-        // Hive does not allow to use a CTAS statement to create a partitioned table.
+        // Hive does not allow to use a CTAS statement to create a partitioned table
+        // by specifying table schema.
         if (tableDesc.partitionColumnNames.nonEmpty) {
           val errorMessage = "A Create Table As Select (CTAS) statement is not allowed to " +
-            "create a partitioned table using Hive's file formats. " +
+            "create a partitioned table using Hive's file formats by specifying table schema. " +
 
 Review comment:
   What does Hive report for this case?

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