Github user ravipesala commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2642#discussion_r213700919
--- Diff:
integration/spark2/src/main/spark2.2/org/apache/spark/sql/CustomDeterministicExpression.scala
---
@@ -0,0 +1,42 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.spark.sql
+
+import org.apache.spark.sql.catalyst.InternalRow
+import org.apache.spark.sql.catalyst.expressions.Expression
+import org.apache.spark.sql.catalyst.expressions.codegen.{CodegenContext,
ExprCode}
+import org.apache.spark.sql.types.{DataType, StringType}
+
+/**
+ * Custom expression to override the deterministic property .
+ */
+case class CustomDeterministicExpression(nonDt: Expression ) extends
Expression with Serializable{
--- End diff --
I don't see any differences , why it is copied 3 times?
---
