From f1282f47978c66c08a0548c115208f0120f99191 Mon Sep 17 00:00:00 2001
From: Evgeny Akhtimirov <evgeny@devduty.com>
Date: Fri, 19 Jan 2024 16:45:27 +0300
Subject: [PATCH] Perf | avoid copying of an array for SqlGuid in TdsParser
 (#2308)

similar how it's don for netfx
---
 .../netcore/src/Microsoft/Data/SqlClient/TdsParser.cs         | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/TdsParser.cs b/src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/TdsParser.cs
index 8dc72f355c..86d1102ac4 100644
--- a/src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/TdsParser.cs
+++ b/src/Microsoft.Data.SqlClient/netcore/src/Microsoft/Data/SqlClient/TdsParser.cs
@@ -5932,7 +5932,11 @@ internal bool DeserializeUnencryptedValue(SqlBuffer value, byte[] unencryptedByt
                 case TdsEnums.SQLUNIQUEID:
                     {
                         Debug.Assert(length == 16, "invalid length for SqlGuid type!");
+#if NET8_0_OR_GREATER
                         value.SqlGuid = new SqlGuid(unencryptedBytes);   // doesn't copy the byte array
+#else
+                        value.SqlGuid = SqlTypeWorkarounds.SqlGuidCtor(unencryptedBytes, true);   // doesn't copy the byte array
+#endif
                         break;
                     }