Github user ravipesala commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/1602#discussion_r154514538
--- Diff:
integration/spark2/src/main/scala/org/apache/spark/sql/parser/CarbonSparkSqlParser.scala
---
@@ -18,6 +18,7 @@ package org.apache.spark.sql.parser
import scala.collection.mutable
+import org.antlr.v4.runtime.tree.TerminalNode
--- End diff --
I think it is better handle these validations at precreate table listener
so that main logic will be clean.---
