[GitHub] [carbondata] jackylk commented on a change in pull request #3436: [CARBONDATA-3548]Geospatial Support: Modified to create and load the table with a nonschema dimension sort column. And added InPolygon UDF

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jackylk commented on a change in pull request #3436: [CARBONDATA-3548]Geospatial Support: Modified to create and load the table with a nonschema dimension sort column. And added InPolygon UDF
URL: https://github.com/apache/carbondata/pull/3436#discussion_r349933666
 
 

 ##########
 File path: core/src/main/java/org/apache/carbondata/core/geo/GeoHashImpl.java
 ##########
 @@ -0,0 +1,163 @@
+/*
+ * 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.geo;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+import org.apache.carbondata.common.exceptions.sql.MalformedCarbonCommandException;
+import org.apache.carbondata.core.constants.CarbonCommonConstants;
+import org.apache.carbondata.core.util.CustomIndex;
+
+import org.apache.commons.lang.StringUtils;
+
+/**
+ * GeoHash default implementation
+ */
+public class GeoHashImpl extends CustomIndex<List<Long[]>> {
+  /**
+   * Initialize the geohash index handler instance.
 
 Review comment:
   Please be more specific what is done in initialization. This class does not have any member variable, so why there is init function?

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