[GitHub] [carbondata] ravipesala commented on a change in pull request #3285: [CARBONDATA-3433]Fix MV issues related to duplicate columns, limit and constant columns

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ravipesala commented on a change in pull request #3285: [CARBONDATA-3433]Fix MV issues related to duplicate columns, limit and constant columns
URL: https://github.com/apache/carbondata/pull/3285#discussion_r293359912
 
 

 ##########
 File path: datamap/mv/core/src/main/scala/org/apache/carbondata/mv/datamap/MVHelper.scala
 ##########
 @@ -96,7 +104,8 @@ object MVHelper {
           children = None,
           rawSchema = rawSchema)
       }
-    }
+    }.distinct
 
 Review comment:
   Please recheck whether after applying distinct order of columns changing, we need to maintain the order of columns

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