cloud-fan commented on code in PR #38795:
URL: https://github.com/apache/spark/pull/38795#discussion_r1037838739


##########
sql/hive-thriftserver/src/main/scala/org/apache/spark/sql/hive/thriftserver/SparkSQLDriver.scala:
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@@ -50,8 +52,21 @@ private[hive] class SparkSQLDriver(val context: SQLContext = 
SparkSQLEnv.sqlCont
     if (analyzed.output.isEmpty) {
       new Schema(Arrays.asList(new FieldSchema("Response code", "string", 
"")), null)
     } else {
-      val fieldSchemas = analyzed.output.map { attr =>
-        new FieldSchema(attr.name, attr.dataType.catalogString, "")
+      val fieldSchemas = stripRootCommandResult(query.executedPlan) match {
+        case ExecutedCommandExec(s: ShowTablesCommand) if !s.isExtended =>

Review Comment:
   are these code copied from somewhere?



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