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authorDavid Storch <david.storch@10gen.com>2014-09-17 09:38:54 -0400
committerDavid Storch <david.storch@10gen.com>2014-09-17 09:38:54 -0400
commit8baf068f5c7bcb52c7cc19bd6343fc2569cd92fc (patch)
tree88c193cad7e3fd741f1ace817958055251aa8dde /src/mongo/db/query/query_knobs.h
parent47260bcc495c093e5a2542a3d2ccdd43e796a369 (diff)
downloadmongo-8baf068f5c7bcb52c7cc19bd6343fc2569cd92fc.tar.gz
SERVER-15279 disable hash-based index intersection by default
Diffstat (limited to 'src/mongo/db/query/query_knobs.h')
-rw-r--r--src/mongo/db/query/query_knobs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mongo/db/query/query_knobs.h b/src/mongo/db/query/query_knobs.h
index d12858264c7..913362558d7 100644
--- a/src/mongo/db/query/query_knobs.h
+++ b/src/mongo/db/query/query_knobs.h
@@ -51,6 +51,9 @@ namespace mongo {
// Do we have ixisect on at all?
extern bool internalQueryPlannerEnableIndexIntersection;
+ // Do we use hash-based intersection for rooted $and queries?
+ extern bool internalQueryPlannerEnableHashIntersection;
+
//
// plan cache
//