include query fields generating trivial bounds in exact key match check

2009-05-13 18:09:25 -04:00
parent 101f01c591
commit 5700a5040d
3 changed files with 12 additions and 1 deletions
--- a/db/queryoptimizer.cpp
+++ b/db/queryoptimizer.cpp
@@ -120,7 +120,8 @@ namespace mongo {
            optimal_ = true;
        if ( exactIndexedQueryCount == fbs.nNontrivialBounds() &&
            orderFieldsUnindexed.size() == 0 &&
-            exactIndexedQueryCount == index->keyPattern().nFields() ) {
+            exactIndexedQueryCount == index->keyPattern().nFields() &&
+            exactIndexedQueryCount == fbs.query().nFields() ) {
            exactKeyMatch_ = true;
        }
        if ( startKey_.isEmpty() )