JoeHF commented on code in PR #1003:
URL: https://github.com/apache/lucene/pull/1003#discussion_r921034917


##########
lucene/core/src/java/org/apache/lucene/document/DocumentStoredFieldVisitor.java:
##########
@@ -98,6 +100,16 @@ public void doubleField(FieldInfo fieldInfo, double value) {
 
   @Override
   public Status needsField(FieldInfo fieldInfo) throws IOException {
+    // return stop after collected all needed fields
+    if (fieldsToAdd != null
+        && !fieldsToAdd.contains(fieldInfo.name)
+        && fieldsToAdd.size()
+            == doc.getFields().stream()
+                .map(IndexableField::name)
+                .collect(Collectors.toSet())
+                .size()) {
+      return Status.STOP;

Review Comment:
   do you mean fields can appear at the sequence like `field1`, `field2` 
`field1`, according to current approach, when we decompressed `field2`, we 
returned `STOP` and then lose the second `field1` value? If so, could you give 
me some hints on how to do early return?



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