From c40f84f97543d254d62f81ed5693c6530505d577 Mon Sep 17 00:00:00 2001
From: Daniil Cherednik <dcherednik@ydb.tech>
Date: Wed, 24 Jul 2024 12:49:00 +0200
Subject: [PATCH] Fix using uninitialized value error. (#7029)

---
 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>()) {