Github user ravipesala commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2447#discussion_r200383740
--- Diff:
integration/spark2/src/main/java/org/apache/carbondata/spark/vectorreader/CarbonDictionaryWrapper.java
---
@@ -0,0 +1,49 @@
+/*
+ * 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.carbondata.spark.vectorreader;
+
+import org.apache.carbondata.core.scan.result.vector.CarbonDictionary;
+
+import org.apache.parquet.column.Dictionary;
+import org.apache.parquet.column.Encoding;
+import org.apache.parquet.io.api.Binary;
+
+public class CarbonDictionaryWrapper extends Dictionary {
+
+ private Binary[] binaries;
+
+ public CarbonDictionaryWrapper(Encoding encoding, CarbonDictionary
dictionary) {
+ super(encoding);
+ byte[][] rleData = dictionary.getDictionaryValues();
+ if (rleData != null) {
+ binaries = new Binary[rleData.length];
+ binaries[0] = Binary.fromReusedByteArray(new byte[0]);
+ binaries[1] = Binary.fromReusedByteArray(new byte[0]);
--- End diff --
Please remove above 2 lines as no need to add dummy binary
---