docs/attachments/LUCENE-8108/LUCENE-8108.patch

diff --git a/lucene/core/src/test/org/apache/lucene/index/TestIndexNumberAsString.java b/lucene/core/src/test/org/apache/lucene/index/TestIndexNumberAsString.java
new file mode 100644
index 0000000..0f19729
--- /dev/null
+++ b/lucene/core/src/test/org/apache/lucene/index/TestIndexNumberAsString.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.lucene.index;
+
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.document.TextField;
+import org.apache.lucene.search.IndexSearcher;
+import org.apache.lucene.search.TermQuery;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.util.IOUtils;
+import org.apache.lucene.util.LuceneTestCase;
+
+public class TestIndexNumberAsString extends LuceneTestCase {
+
+    private class NumberField extends Field {
+        public NumberField(String name, long value) {
+            super(name, TextField.TYPE_STORED);
+            fieldsData = Long.valueOf(value);
+        }
+    }
+
+    // LUCENE-8108
+    public void testIndexNumberAsString() throws Exception {
+        Directory dir = newDirectory();
+        RandomIndexWriter w = new RandomIndexWriter(random(), dir);
+        Document doc = new Document();
+        doc.add(new NumberField("number", 17));
+        w.addDocument(doc);
+        IndexReader reader = w.getReader();
+        IndexSearcher s = newSearcher(reader);
+        assertEquals(0, s.count(new TermQuery(new Term("number", "17"))));
+        IOUtils.close(w, dir);
+    }
+}