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| author | Hari Khalsa <hkhalsa@10gen.com> | 2013-09-18 11:57:21 -0400 |
|---|---|---|
| committer | Hari Khalsa <hkhalsa@10gen.com> | 2013-09-18 16:42:20 -0400 |
| commit | 311ebc33f399b555309ee6eba04af8c605108529 (patch) | |
| tree | be50e3cfea0c124759ded943a5d1c7cc5a79910b /src/mongo/db/query/plan_ranker.cpp | |
| parent | de25d5b966fae434669df47b41c076445d2303f6 (diff) | |
| download | mongo-311ebc33f399b555309ee6eba04af8c605108529.tar.gz | |
SERVER-10026 enumeration as strategies, bug fixes galore, build plans
Diffstat (limited to 'src/mongo/db/query/plan_ranker.cpp')
| -rw-r--r-- | src/mongo/db/query/plan_ranker.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/mongo/db/query/plan_ranker.cpp b/src/mongo/db/query/plan_ranker.cpp index b89ff216f71..dc395e48096 100644 --- a/src/mongo/db/query/plan_ranker.cpp +++ b/src/mongo/db/query/plan_ranker.cpp @@ -85,7 +85,10 @@ namespace mongo { } else { // This is a placeholder for better ranking logic. - return static_cast<double>(stats.common.advanced) + // + // We start all scores at 1. Our "no plan selected" score is 0 and we want all plans to + // be greater than that. + return 1 + static_cast<double>(stats.common.advanced) / static_cast<double>(stats.common.works); } } |