From 63e04e6b8796ddddeb74d22e4428899d9af12bd8 Mon Sep 17 00:00:00 2001
From: Maxim Yurchuk <maxim-yurchuk@ydb.tech>
Date: Tue, 30 Jul 2024 12:22:45 +0300
Subject: [PATCH] 24-3 Fix using uninitialized value error.  (#7224)

Co-authored-by: Daniil Cherednik <dcherednik@ydb.tech>
---
 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 587c410fb413..d9ce0c8f5345 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>()) {