1 files changed, 16 insertions, 4 deletions

diff --git a/src/mongo/db/exec/projection.cpp b/src/mongo/db/exec/projection.cpp
index 60c0aa221f3..c4c8388462f 100644
--- a/src/mongo/db/exec/projection.cpp
+++ b/src/mongo/db/exec/projection.cpp
@@ -50,6 +50,8 @@ namespace mongo {
           _commonStats(kStageType),
           _projImpl(params.projImpl) {
 
+        _projObj = params.projObj;
+
         if (ProjectionStageParams::NO_FAST_PATH == _projImpl) {
             _exec.reset(new ProjectionExec(params.projObj, 
                                            params.fullExpression,
@@ -59,8 +61,6 @@ namespace mongo {
             // We shouldn't need the full expression if we're fast-pathing.
             invariant(NULL == params.fullExpression);
 
-            _projObj = params.projObj;
-
             // Sanity-check the input.
             invariant(_projObj.isOwned());
             invariant(!_projObj.isEmpty());
@@ -197,6 +197,9 @@ namespace mongo {
     PlanStage::StageState ProjectionStage::work(WorkingSetID* out) {
         ++_commonStats.works;
 
+        // Adds the amount of time taken by work() to executionTimeMillis.
+        ScopedTimer timer(&_commonStats.executionTimeMillis);
+
         WorkingSetID id = WorkingSet::INVALID_ID;
         StageState status = _child->work(&id);
 
@@ -247,11 +250,20 @@ namespace mongo {
         _child->invalidate(dl, type);
     }
 
+    vector<PlanStage*> ProjectionStage::getChildren() const {
+        vector<PlanStage*> children;
+        children.push_back(_child.get());
+        return children;
+    }
+
     PlanStageStats* ProjectionStage::getStats() {
         _commonStats.isEOF = isEOF();
-        _specificStats.projObj = _projObj;
         auto_ptr<PlanStageStats> ret(new PlanStageStats(_commonStats, STAGE_PROJECTION));
-        ret->specific.reset(new ProjectionStats(_specificStats));
+
+        ProjectionStats* projStats = new ProjectionStats(_specificStats);
+        projStats->projObj = _projObj;
+        ret->specific.reset(projStats);
+
         ret->children.push_back(_child->getStats());
         return ret.release();
     }