1 files changed, 68 insertions, 0 deletions
diff --git a/src/mongo/db/matcher/expression.cpp b/src/mongo/db/matcher/expression.cpp
index bb13e28a9e0..a228fd86916 100644
--- a/src/mongo/db/matcher/expression.cpp
+++ b/src/mongo/db/matcher/expression.cpp
@@ -175,6 +175,74 @@ void MatchExpression::addDependencies(DepsTracker* deps) const {
     _doAddDependencies(deps);
 }
 
+bool MatchExpression::isInternalNodeWithPath(MatchType m) {
+    switch (m) {
+        case ELEM_MATCH_OBJECT:
+        case ELEM_MATCH_VALUE:
+        case INTERNAL_SCHEMA_OBJECT_MATCH:
+        case INTERNAL_SCHEMA_MATCH_ARRAY_INDEX:
+            // This node generates a child expression with a field that isn't prefixed by the path
+            // of the node.
+        case INTERNAL_SCHEMA_ALL_ELEM_MATCH_FROM_INDEX:
+            // This node generates a child expression with a field that isn't prefixed by the path
+            // of the node.
+            return true;
+
+        case AND:
+        case OR:
+        case SIZE:
+        case EQ:
+        case LTE:
+        case LT:
+        case GT:
+        case GTE:
+        case REGEX:
+        case MOD:
+        case EXISTS:
+        case MATCH_IN:
+        case BITS_ALL_SET:
+        case BITS_ALL_CLEAR:
+        case BITS_ANY_SET:
+        case BITS_ANY_CLEAR:
+        case NOT:
+        case NOR:
+        case TYPE_OPERATOR:
+        case GEO:
+        case WHERE:
+        case EXPRESSION:
+        case ALWAYS_FALSE:
+        case ALWAYS_TRUE:
+        case GEO_NEAR:
+        case TEXT:
+        case INTERNAL_2D_POINT_IN_ANNULUS:
+        case INTERNAL_BUCKET_GEO_WITHIN:
+        case INTERNAL_EXPR_EQ:
+        case INTERNAL_EXPR_GT:
+        case INTERNAL_EXPR_GTE:
+        case INTERNAL_EXPR_LT:
+        case INTERNAL_EXPR_LTE:
+        case INTERNAL_SCHEMA_ALLOWED_PROPERTIES:
+        case INTERNAL_SCHEMA_BIN_DATA_ENCRYPTED_TYPE:
+        case INTERNAL_SCHEMA_BIN_DATA_FLE2_ENCRYPTED_TYPE:
+        case INTERNAL_SCHEMA_BIN_DATA_SUBTYPE:
+        case INTERNAL_SCHEMA_COND:
+        case INTERNAL_SCHEMA_EQ:
+        case INTERNAL_SCHEMA_FMOD:
+        case INTERNAL_SCHEMA_MAX_ITEMS:
+        case INTERNAL_SCHEMA_MAX_LENGTH:
+        case INTERNAL_SCHEMA_MAX_PROPERTIES:
+        case INTERNAL_SCHEMA_MIN_ITEMS:
+        case INTERNAL_SCHEMA_MIN_LENGTH:
+        case INTERNAL_SCHEMA_MIN_PROPERTIES:
+        case INTERNAL_SCHEMA_ROOT_DOC_EQ:
+        case INTERNAL_SCHEMA_TYPE:
+        case INTERNAL_SCHEMA_UNIQUE_ITEMS:
+        case INTERNAL_SCHEMA_XOR:
+            return false;
+    }
+    MONGO_UNREACHABLE;
+}
+
 MatchExpression::ErrorAnnotation::SchemaAnnotations::SchemaAnnotations(
     const BSONObj& jsonSchemaElement) {
     auto title = jsonSchemaElement[JSONSchemaParser::kSchemaTitleKeyword];