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| author | David Storch <david.storch@10gen.com> | 2016-02-18 18:39:39 -0500 |
|---|---|---|
| committer | David Storch <david.storch@10gen.com> | 2016-02-22 16:12:45 -0500 |
| commit | d8ee6353312a5639ae56454be62066d602eff818 (patch) | |
| tree | 294c2fb7091a8c3d41afa9544bbb137ab0ff393b /src/mongo/db/exec/count_scan.cpp | |
| parent | 02fd42496cb871062d27faf0e419d514fdbb1a9b (diff) | |
| download | mongo-d8ee6353312a5639ae56454be62066d602eff818.tar.gz | |
SERVER-22407 make COUNT_SCAN return RID_AND_OBJ instead of OWNED_OBJ
Fixes most of a 7% perf regression for COUNT_SCAN plans.
Diffstat (limited to 'src/mongo/db/exec/count_scan.cpp')
| -rw-r--r-- | src/mongo/db/exec/count_scan.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/src/mongo/db/exec/count_scan.cpp b/src/mongo/db/exec/count_scan.cpp index e65e7977c55..e460854542a 100644 --- a/src/mongo/db/exec/count_scan.cpp +++ b/src/mongo/db/exec/count_scan.cpp @@ -106,9 +106,7 @@ PlanStage::StageState CountScan::doWork(WorkingSetID* out) { } WorkingSetID id = _workingSet->allocate(); - WorkingSetMember* member = _workingSet->get(id); - member->obj = Snapshotted<BSONObj>(SnapshotId(), BSONObj().getOwned()); - member->transitionToOwnedObj(); + _workingSet->transitionToRecordIdAndObj(id); *out = id; return PlanStage::ADVANCED; } |