Github user chenerlu commented on a diff in the pull request:
https://github.com/apache/carbondata/pull/877#discussion_r115913745
--- Diff: core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/BitMapDimensionDataChunk.java ---
@@ -0,0 +1,171 @@
+/*
+ * 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.datastore.chunk.impl;
+
+import java.util.BitSet;
+import java.util.List;
+
+import org.apache.carbondata.core.datastore.chunk.store.DimensionChunkStoreFactory;
+import org.apache.carbondata.core.datastore.chunk.store.DimensionChunkStoreFactory.DimensionStoreType;
+import org.apache.carbondata.core.datastore.chunk.store.impl.safe.SafeBitMapDimensionDataChunkStore;
+import org.apache.carbondata.core.scan.executor.infos.KeyStructureInfo;
+import org.apache.carbondata.core.scan.filter.executer.AbstractFilterExecuter.FilterOperator;
+import org.apache.carbondata.core.scan.result.vector.CarbonColumnVector;
+import org.apache.carbondata.core.scan.result.vector.ColumnVectorInfo;
+
+/**
+ * This class is gives access to fixed length dimension data chunk store
+ */
+public class BitMapDimensionDataChunk extends AbstractDimensionDataChunk {
+
+ // private List<Integer> bitmap_encoded_dictionaries;
+ // private List<Integer> bitmap_data_pages_length;
--- End diff --
Suggest delete unused code.
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