SERVER-30761 Optimize parsing code for top-level MatchExpressions

1 files changed, 6 insertions, 0 deletions

diff --git a/src/mongo/db/matcher/expression_tree.h b/src/mongo/db/matcher/expression_tree.h
index a0c1cc088be..074ed6c728a 100644
--- a/src/mongo/db/matcher/expression_tree.h
+++ b/src/mongo/db/matcher/expression_tree.h
@@ -106,6 +106,8 @@ private:
 
 class AndMatchExpression : public ListOfMatchExpression {
 public:
+    static constexpr StringData kName = "$and"_sd;
+
     AndMatchExpression() : ListOfMatchExpression(AND) {}
     virtual ~AndMatchExpression() {}
 
@@ -131,6 +133,8 @@ public:
 
 class OrMatchExpression : public ListOfMatchExpression {
 public:
+    static constexpr StringData kName = "$or"_sd;
+
     OrMatchExpression() : ListOfMatchExpression(OR) {}
     virtual ~OrMatchExpression() {}
 
@@ -156,6 +160,8 @@ public:
 
 class NorMatchExpression : public ListOfMatchExpression {
 public:
+    static constexpr StringData kName = "$nor"_sd;
+
     NorMatchExpression() : ListOfMatchExpression(NOR) {}
     virtual ~NorMatchExpression() {}