4 files changed, 56 insertions, 0 deletions
diff --git a/src/mongo/db/exec/geo_near.cpp b/src/mongo/db/exec/geo_near.cpp
index af6b60e1c45..c5367706062 100644
--- a/src/mongo/db/exec/geo_near.cpp
+++ b/src/mongo/db/exec/geo_near.cpp
@@ -303,6 +303,8 @@ namespace mongo {
                                    WorkingSetID* out,
                                    double* estimatedDistance);
 
+        void invalidate(OperationContext* txn, const RecordId& dl, InvalidationType type);
+
     private:
         void buildIndexScan(OperationContext* txn, WorkingSet* workingSet, Collection* collection);
 
@@ -403,6 +405,15 @@ namespace mongo {
         return state;
     }
 
+    void GeoNear2DStage::DensityEstimator::invalidate(OperationContext* txn,
+                                                      const RecordId& dl,
+                                                      InvalidationType type) {
+        if (_indexScan) {
+            _indexScan->invalidate(txn, dl, type);
+        }
+    }
+
+
     PlanStage::StageState GeoNear2DStage::initialize(OperationContext* txn,
                                                      WorkingSet* workingSet,
                                                      Collection* collection,
@@ -458,6 +469,14 @@ namespace mongo {
     GeoNear2DStage::~GeoNear2DStage() {
     }
 
+    void GeoNear2DStage::finishInvalidate(OperationContext* txn,
+                                          const RecordId& dl,
+                                          InvalidationType type) {
+        if (_densityEstimator) {
+            _densityEstimator->invalidate(txn, dl, type);
+        }
+    }
+
     namespace {
 
         /**
@@ -976,6 +995,8 @@ namespace mongo {
                                    WorkingSetID* out,
                                    double* estimatedDistance);
 
+        void invalidate(OperationContext* txn, const RecordId& dl, InvalidationType type);
+
     private:
         void buildIndexScan(OperationContext* txn, WorkingSet* workingSet, Collection* collection);
 
@@ -1075,6 +1096,14 @@ namespace mongo {
         return state;
     }
 
+    void GeoNear2DSphereStage::DensityEstimator::invalidate(OperationContext* txn,
+                                                            const RecordId& dl,
+                                                            InvalidationType type) {
+        if (_indexScan) {
+            _indexScan->invalidate(txn, dl, type);
+        }
+    }
+
 
     PlanStage::StageState GeoNear2DSphereStage::initialize(OperationContext* txn,
                                                            WorkingSet* workingSet,
@@ -1107,6 +1136,14 @@ namespace mongo {
         return state;
     }
 
+    void GeoNear2DSphereStage::finishInvalidate(OperationContext* txn,
+                                                const RecordId& dl,
+                                                InvalidationType type) {
+        if (_densityEstimator) {
+            _densityEstimator->invalidate(txn, dl, type);
+        }
+    }
+
     StatusWith<NearStage::CoveredInterval*> //
     GeoNear2DSphereStage::nextInterval(OperationContext* txn,
                                        WorkingSet* workingSet,
diff --git a/src/mongo/db/exec/geo_near.h b/src/mongo/db/exec/geo_near.h
index 8aa2ace63c1..6bb449b10ad 100644
--- a/src/mongo/db/exec/geo_near.h
+++ b/src/mongo/db/exec/geo_near.h
@@ -88,6 +88,10 @@ namespace mongo {
                                                  WorkingSet* workingSet,
                                                  Collection* collection,
                                                  WorkingSetID* out);
+
+        virtual void finishInvalidate(OperationContext* txn,
+                                      const RecordId& dl,
+                                      InvalidationType type);
     private:
         const GeoNearParams _nearParams;
 
@@ -134,6 +138,10 @@ namespace mongo {
                                                  WorkingSet* workingSet,
                                                  Collection* collection,
                                                  WorkingSetID* out);
+
+        virtual void finishInvalidate(OperationContext* txn,
+                                      const RecordId& dl,
+                                      InvalidationType type);
     private:
         const GeoNearParams _nearParams;
 
diff --git a/src/mongo/db/exec/near.cpp b/src/mongo/db/exec/near.cpp
index a07b5d7e2d1..46b345ad5ca 100644
--- a/src/mongo/db/exec/near.cpp
+++ b/src/mongo/db/exec/near.cpp
@@ -354,6 +354,10 @@ namespace mongo {
             // Don't keep it around in the seen map since there's no valid RecordId anymore
             _nextIntervalSeen.erase(seenIt);
         }
+
+        // Subclass specific invalidation, e.g. passing the invalidation to the 2d or 2dsphere
+        // density estimator.
+        finishInvalidate(txn, dl, type);
     }
 
     vector<PlanStage*> NearStage::getChildren() const {
diff --git a/src/mongo/db/exec/near.h b/src/mongo/db/exec/near.h
index 5ed2c3553e5..60384679c00 100644
--- a/src/mongo/db/exec/near.h
+++ b/src/mongo/db/exec/near.h
@@ -147,6 +147,13 @@ namespace mongo {
                                       Collection* collection,
                                       WorkingSetID* out) = 0;
 
+        /**
+         * Does any invalidation work specific to the search type.
+         */
+        virtual void finishInvalidate(OperationContext* txn,
+                                      const RecordId& dl,
+                                      InvalidationType type) = 0;
+
     private:
 
         //