[GitHub] [carbondata] akkio-97 commented on a change in pull request #4129: [CARBONDATA-4179] Support renaming of complex columns (array/struct)

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akkio-97 commented on a change in pull request #4129:
URL: https://github.com/apache/carbondata/pull/4129#discussion_r645487697



##########
File path: integration/spark/src/main/scala/org/apache/spark/sql/execution/command/schema/CarbonAlterTableColRenameDataTypeChangeCommand.scala
##########
@@ -279,6 +352,24 @@ private[sql] case class CarbonAlterTableColRenameDataTypeChangeCommand(
     Seq.empty
   }
 
+  private def isComplexChild(columnSchema: ColumnSchema): Boolean = {
+    columnSchema.column_name.contains(CarbonCommonConstants.POINT)
+  }
+
+  private def isChildOfColumn(columnSchemaName: String, oldColumnName: String): Boolean = {

Review comment:
       done




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