faster distinct SERVER-796

2010-03-29 12:55:44 -04:00
parent 45f8d675d3
commit 5b5d73a652
6 changed files with 37 additions and 7 deletions
--- a/db/queryoptimizer.cpp
+++ b/db/queryoptimizer.cpp
@@ -451,6 +451,11 @@ namespace mongo {
        b.append( "allPlans", arr );
        return b.obj();
    }
+
+    QueryPlanSet::PlanPtr QueryPlanSet::getBestGuess() const {
+        assert( plans_.size() );
+        return plans_[0];
+    }
    
    QueryPlanSet::Runner::Runner( QueryPlanSet &plans, QueryOp &op ) :
    op_( op ),