KIKIMR-14440: fix leak

ref:840c809e43610aeb9cccf3f1efafefba6ed6f378

1 files changed, 6 insertions, 6 deletions

diff --git a/ydb/core/engine/mkql_engine_flat_extfunc.cpp b/ydb/core/engine/mkql_engine_flat_extfunc.cpp
index 414d3aeeb45..51e79ad54e4 100644
--- a/ydb/core/engine/mkql_engine_flat_extfunc.cpp
+++ b/ydb/core/engine/mkql_engine_flat_extfunc.cpp
@@ -576,17 +576,17 @@ namespace {
     {
         TUnboxedValueVector values;
         if (localReadCallables.contains(callable.GetUniqueId())) {
-            values.push_back(PerformLocalSelectRange(callable, *host, ctx.HolderFactory, ctx.Env));
+            values.emplace_back(PerformLocalSelectRange(callable, *host, ctx.HolderFactory, ctx.Env));
         }
 
-        auto returnType = GetActualReturnType(callable, ctx.Env, strings);
-        MKQL_ENSURE(returnType->IsStruct(), "Expected struct type");
-        TValuePacker valuePacker(false, returnType);
-
         auto resultIt = results.find(callable.GetUniqueId());
         if (resultIt != results.end()) {
+            auto returnType = GetActualReturnType(callable, ctx.Env, strings);
+            MKQL_ENSURE(returnType->IsStruct(), "Expected struct type");
+            TValuePacker valuePacker(false, returnType);
+
             for (auto& result : resultIt->second) {
-                values.push_back(valuePacker.Unpack(result, ctx.HolderFactory));
+                values.emplace_back(valuePacker.Unpack(result, ctx.HolderFactory));
             }
         }