[GitHub] [solr] danrosher commented on a diff in pull request #940: SOLR-16292 : NVector for alternative great-circle distance calculations

[GitBox <gi...@apache.org>]

danrosher commented on code in PR #940:
URL: https://github.com/apache/solr/pull/940#discussion_r940110603


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solr/core/src/java/org/apache/solr/schema/NVectorField.java:
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@@ -0,0 +1,285 @@
+/*
+ * 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.solr.schema;
+
+import org.apache.lucene.document.StoredField;
+import org.apache.lucene.index.IndexableField;
+import org.apache.lucene.index.LeafReaderContext;
+import org.apache.lucene.queries.function.FunctionValues;
+import org.apache.lucene.queries.function.ValueSource;
+import org.apache.lucene.queries.function.valuesource.MultiValueSource;
+import org.apache.lucene.search.SortField;
+import org.apache.solr.common.SolrException;
+import org.apache.solr.response.TextResponseWriter;
+import org.apache.solr.search.QParser;
+import org.apache.solr.uninverting.UninvertingReader;
+import org.apache.solr.util.NVectorUtil;
+
+import java.io.IOException;
+import java.text.NumberFormat;
+import java.text.ParseException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+import java.util.Map;
+
+public class NVectorField extends CoordinateFieldType {

Review Comment:
   NVectorField is different I think to PointType. NVector replaces lat/lon and overrides most of the important methods in PointType anyway. NVectorField would need a specialized getSpecializedRangeQuery too (not sure how to implement this for nvector yet)



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