[GitHub] [pinot] Jackie-Jiang commented on a diff in pull request #11000: wip: add support for mv cols with realtime lucene index

["Jackie-Jiang (via GitHub)" <gi...@apache.org>]

Jackie-Jiang commented on code in PR #11000:
URL: https://github.com/apache/pinot/pull/11000#discussion_r1247542426


##########
pinot-segment-spi/src/main/java/org/apache/pinot/segment/spi/index/mutable/MutableTextIndex.java:
##########
@@ -31,12 +31,18 @@ default void add(@Nonnull Object value, int dictId, int docId) {
 
   @Override
   default void add(@Nonnull Object[] values, @Nullable int[] dictIds, int docId) {
-    throw new UnsupportedOperationException("Mutable text indexes are not supported for multi-valued columns");
+    add((String[]) values);
   }
 
   /**
    * Index the document
    * @param document the document as a string
    */
   void add(String document);
+
+  /**
+   * Index the multi-value document
+   * @param document the document as an array of Strings
+   */
+  void add(String[] document);

Review Comment:
   (minor) Same for other signatures
   ```suggestion
     void add(String[] documents);
   ```



##########
pinot-segment-local/src/test/java/org/apache/pinot/segment/local/realtime/impl/invertedindex/LuceneMutableTextIndexTest.java:
##########
@@ -0,0 +1,74 @@
+/**
+ * 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.pinot.segment.local.realtime.impl.invertedindex;
+
+import java.io.File;
+import org.apache.commons.io.FileUtils;
+import org.apache.lucene.search.SearcherManager;
+import org.roaringbitmap.buffer.ImmutableRoaringBitmap;
+import org.testng.annotations.AfterClass;
+import org.testng.annotations.BeforeClass;
+import org.testng.annotations.Test;
+
+import static org.testng.Assert.assertEquals;
+
+public class LuceneMutableTextIndexTest {

Review Comment:
   Please reformat this class with [Pinot Style](https://docs.pinot.apache.org/developers/developers-and-contributors/code-setup#setup-ide)



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