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| author | Mihai Andrei <mihai.andrei@mongodb.com> | 2019-11-06 14:32:36 +0000 |
|---|---|---|
| committer | evergreen <evergreen@mongodb.com> | 2019-11-06 14:32:36 +0000 |
| commit | 7a1dcf206312805db97599aaf676f7d749a1d9e5 (patch) | |
| tree | 01451f750005cbdf26c6b4ec98aedfa172538585 /src/mongo/db | |
| parent | 92fea5be74359277835147762535c642e4cf2461 (diff) | |
| download | mongo-7a1dcf206312805db97599aaf676f7d749a1d9e5.tar.gz | |
SERVER-44380 Update computation of _boundsIncrement in GeoNear2DStage::initialize to avoid rounding error
Diffstat (limited to 'src/mongo/db')
| -rw-r--r-- | src/mongo/db/exec/geo_near.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mongo/db/exec/geo_near.cpp b/src/mongo/db/exec/geo_near.cpp index 87b7d150348..b91f1cbfbb3 100644 --- a/src/mongo/db/exec/geo_near.cpp +++ b/src/mongo/db/exec/geo_near.cpp @@ -420,8 +420,8 @@ PlanStage::StageState GeoNear2DStage::initialize(OperationContext* opCtx, // Estimator finished its work, we need to finish initialization too. if (SPHERE == _nearParams.nearQuery->centroid->crs) { - // Estimated distance is in degrees, convert it to meters. - _boundsIncrement = deg2rad(estimatedDistance) * kRadiusOfEarthInMeters * 3; + // Estimated distance is in degrees, convert it to meters multiplied by 3. + _boundsIncrement = (estimatedDistance * kRadiusOfEarthInMeters * 3) * (M_PI / 180); // Limit boundsIncrement to ~20KM, so that the first circle won't be too aggressive. _boundsIncrement = std::min(_boundsIncrement, kMaxEarthDistanceInMeters / 1000.0); } else { |