1 files changed, 5 insertions, 14 deletions
diff --git a/src/mongo/db/pipeline/document_source_densify.cpp b/src/mongo/db/pipeline/document_source_densify.cpp
index b7899f078a2..740ef193431 100644
--- a/src/mongo/db/pipeline/document_source_densify.cpp
+++ b/src/mongo/db/pipeline/document_source_densify.cpp
@@ -335,19 +335,10 @@ DocumentSource::GetNextResult DocumentSourceInternalDensify::densifyExplicitRang
                            RangeStatement(_range.getStep(),
                                           ExplicitBounds(bounds.first, bounds.second),
                                           _range.getUnit()));
-    } else if (_current < bounds.first) {
-        // All the documents we saw were below the explicit range, so _current is below the range.
-        // Densification starts at the first bounds, so _current is no longer relevant.
-        createDocGenerator(bounds.first,
-                           RangeStatement(_range.getStep(),
-                                          ExplicitBounds(bounds.first, bounds.second),
-                                          _range.getUnit()));
-
     } else if (_current->increment(_range) >= bounds.second) {
         _densifyState = DensifyState::kDensifyDone;
         return DocumentSource::GetNextResult::makeEOF();
     } else {
-        // _current is somewhere in the middle of the range.
         auto lowerBound = _current->increment(_range);
         createDocGenerator(lowerBound,
                            RangeStatement(_range.getStep(),
@@ -417,7 +408,6 @@ DocumentSource::GetNextResult DocumentSourceInternalDensify::processFirstDocForE
         case ValComparedToRange::kRangeMin: {
             _densifyState = DensifyState::kNeedGen;
             _current = val;
-            setPartitionValue(doc);
             return doc;
         }
         case ValComparedToRange::kBelow: {
@@ -645,16 +635,17 @@ boost::intrusive_ptr<DocumentSource> DocumentSourceInternalDensify::createFromBs
     return results.front();
 }
 
-Value DocumentSourceInternalDensify::serialize(const SerializationOptions& opts) const {
+Value DocumentSourceInternalDensify::serialize(
+    boost::optional<ExplainOptions::Verbosity> explain) const {
     MutableDocument spec;
-    spec[kFieldFieldName] = Value(opts.serializeFieldPath(_field));
+    spec[kFieldFieldName] = Value(_field.fullPath());
     std::vector<Value> serializedPartitionByFields(_partitions.size());
     std::transform(_partitions.begin(),
                    _partitions.end(),
                    serializedPartitionByFields.begin(),
-                   [&](FieldPath field) -> Value { return Value(opts.serializeFieldPath(field)); });
+                   [&](FieldPath field) -> Value { return Value(field.fullPath()); });
     spec[kPartitionByFieldsFieldName] = Value(serializedPartitionByFields);
-    spec[kRangeFieldName] = _range.serialize(opts);
+    spec[kRangeFieldName] = _range.serialize();
     MutableDocument out;
     out[getSourceName()] = Value(spec.freeze());