From ef980d3c94307b41023246cf6fcf6fb623389a77 Mon Sep 17 00:00:00 2001
From: Daniil Cherednik <dcherednik@ydb.tech>
Date: Tue, 23 Jul 2024 17:18:23 +0000
Subject: [PATCH] Fix using uninitialized value error.

https://github.com/ydb-platform/ydb/issues/7009
---
 ydb/core/kqp/opt/kqp_query_plan.cpp | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/ydb/core/kqp/opt/kqp_query_plan.cpp b/ydb/core/kqp/opt/kqp_query_plan.cpp
index 4d0aef4837c9..5bb82fe09e4d 100644
--- a/ydb/core/kqp/opt/kqp_query_plan.cpp
+++ b/ydb/core/kqp/opt/kqp_query_plan.cpp
@@ -592,9 +592,7 @@ class TxPlanSerializer {
                 }
 
                 if (auto literal = key.Maybe<TCoUuid>()) {
-                    TStringStream out;
-                    NUuid::UuidBytesToString(literal.Cast().Literal().Value().Data(), out);
-                    return out.Str();
+                    return NUuid::UuidBytesToString(literal.Cast().Literal().StringValue());
                 }
 
                 if (auto literal = key.Maybe<TCoDataCtor>()) {