Github user shardul-cr7 commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/3045#discussion_r245516216
--- Diff:
integration/spark2/src/main/scala/org/apache/spark/sql/execution/command/preaaggregate/PreAggregateTableHelper.scala
---
@@ -110,7 +110,29 @@ case class PreAggregateTableHelper(
// Datamap table name and columns are automatically added prefix with
parent table name
// in carbon. For convenient, users can type column names same as the
ones in select statement
// when config dmproperties, and here we update column names with
prefix.
- val longStringColumn =
tableProperties.get(CarbonCommonConstants.LONG_STRING_COLUMNS)
--- End diff --
This PR is for the scenario when user doesn't config the
long_string_columns in dmprop then we take long_string_cols from the parent
table.
---
