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path: root/src/mongo/db/matcher/rewrite_expr.cpp
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Diffstat (limited to 'src/mongo/db/matcher/rewrite_expr.cpp')
-rw-r--r--src/mongo/db/matcher/rewrite_expr.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mongo/db/matcher/rewrite_expr.cpp b/src/mongo/db/matcher/rewrite_expr.cpp
index cd82adb7cd0..3ca73b289b0 100644
--- a/src/mongo/db/matcher/rewrite_expr.cpp
+++ b/src/mongo/db/matcher/rewrite_expr.cpp
@@ -233,7 +233,7 @@ bool RewriteExpr::_canRewriteComparison(
const auto& operandList = expression->getOperandList();
bool hasFieldPath = false;
- for (auto operand : operandList) {
+ for (auto& operand : operandList) {
if (auto exprFieldPath = dynamic_cast<ExpressionFieldPath*>(operand.get())) {
if (exprFieldPath->isVariableReference() || exprFieldPath->isROOT()) {
// Rather than a local document field path, this field path refers to either a