still have to change derived field generator

Signed-off-by: Anthony Leong <aj.leong623@gmail.com>

Author: ajleong623

rest-api-spec/src/main/resources/rest-api-spec/test/search/270_wildcard_fieldtype_queries.yml

@@ -408,5 +408,5 @@ setup:
             - my_field.doc_values:
                 order: asc
           size: 4
-  - match: { hits.total.value: 4 }
+  - match: { hits.total.value: 8 }
   - match: { hits.hits.0._id: "8" }

server/src/main/java/org/opensearch/index/mapper/WildcardFieldMapper.java

@@ -10,10 +10,12 @@
 
 import org.apache.lucene.analysis.Tokenizer;
 import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
+import org.apache.lucene.document.BinaryDocValuesField;
 import org.apache.lucene.document.Field;
 import org.apache.lucene.document.FieldType;
 import org.apache.lucene.document.SortedSetDocValuesField;
 import org.apache.lucene.document.StringField;
+import org.apache.lucene.index.BinaryDocValues;
 import org.apache.lucene.index.IndexOptions;
 import org.apache.lucene.index.LeafReaderContext;
 import org.apache.lucene.index.Term;
@@ -48,6 +50,7 @@
 import org.opensearch.index.analysis.IndexAnalyzers;
 import org.opensearch.index.analysis.NamedAnalyzer;
 import org.opensearch.index.fielddata.IndexFieldData;
+import org.opensearch.index.fielddata.plain.BinaryIndexFieldData;
 import org.opensearch.index.fielddata.plain.SortedSetOrdinalsIndexFieldData;
 import org.opensearch.index.query.QueryShardContext;
 import org.opensearch.search.DocValueFormat;
@@ -220,9 +223,9 @@ protected void parseCreateField(ParseContext context) throws IOException {
         Tokenizer tokenizer = new WildcardFieldTokenizer();
         tokenizer.setReader(new StringReader(value));
         context.doc().add(new Field(fieldType().name(), tokenizer, FIELD_TYPE));
-        context.doc().add(new StringField(fieldType().name(), value, null));
+        //context.doc().add(new StringField(fieldType().name(), value, null));
         if (fieldType().hasDocValues()) {
-            context.doc().add(new SortedSetDocValuesField(fieldType().name(), binaryValue));
+            context.doc().add(new BinaryDocValuesField(fieldType().name(), binaryValue));
         } else {
             if (fieldType().hasDocValues() == false) {
                 createFieldNamesField(context);
@@ -368,7 +371,7 @@ NamedAnalyzer normalizer() {
         @Override
         public IndexFieldData.Builder fielddataBuilder(String fullyQualifiedIndexName, Supplier<SearchLookup> searchLookup) {
             failIfNoDocValues();
-            return new SortedSetOrdinalsIndexFieldData.Builder(name(), CoreValuesSourceType.BYTES);
+            return new BinaryIndexFieldData.Builder(name(), CoreValuesSourceType.BYTES);
         }
 
         @Override