Github user manishgupta88 commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/2822#discussion_r226973433
--- Diff:
core/src/main/java/org/apache/carbondata/core/scan/result/vector/impl/directread/ColumnarVectorWrapperDirectWithDeleteDeltaAndInvertedIndex.java
---
@@ -0,0 +1,258 @@
+/*
+ * 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.core.scan.result.vector.impl.directread;
+
+import java.math.BigDecimal;
+import java.util.BitSet;
+
+import org.apache.carbondata.core.metadata.datatype.DataType;
+import org.apache.carbondata.core.metadata.datatype.DataTypes;
+import org.apache.carbondata.core.metadata.datatype.DecimalType;
+import org.apache.carbondata.core.scan.result.vector.CarbonColumnVector;
+import
org.apache.carbondata.core.scan.result.vector.impl.CarbonColumnVectorImpl;
+
+/**
+ * Column vector for column pages which has delete delta and inverted
index, so it uses delta biset
+ * to filter out data and use inverted index before filling to actual
vector
+ */
+class ColumnarVectorWrapperDirectWithDeleteDeltaAndInvertedIndex
+ extends AbstractCarbonColumnarVector implements ConvertableVector {
--- End diff --
`AbstractCarbonColumnarVector` implements the` ConvertableVector`..no need
to implement here
---
