akashrn5 commented on a change in pull request #4121: URL: https://github.com/apache/carbondata/pull/4121#discussion_r620955519
########## File path: integration/spark/src/main/scala/org/apache/spark/sql/execution/command/schema/CarbonAlterTableDropColumnCommand.scala ########## @@ -147,19 +143,30 @@ private[sql] case class CarbonAlterTableDropColumnCommand( metastore.getThriftTableInfo(carbonTable) // maintain the deleted columns for schema evolution history Review comment: please edit comment saying `deletedColumnSchema ` contains parent column schema and child also in case of complex and `deletedTableColumns ` contains only parent columns in case of complex to add in schemaEvolution entry -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org