From 4ef55a2102c2573c968b9372a2771a7e0ec2f2de Mon Sep 17 00:00:00 2001
From: Ikam Grewal <Ikam.Grewal@thomsonreuters.com>
Date: Fri, 16 Feb 2024 16:37:57 -0500
Subject: [PATCH] Shorten aliased Column Names

---
 src/Npgsql.Bulk/NpgsqlBulkUploader.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Npgsql.Bulk/NpgsqlBulkUploader.cs b/src/Npgsql.Bulk/NpgsqlBulkUploader.cs
index 9d4a735..f40de46 100644
--- a/src/Npgsql.Bulk/NpgsqlBulkUploader.cs
+++ b/src/Npgsql.Bulk/NpgsqlBulkUploader.cs
@@ -1016,7 +1016,7 @@ private List<MappingInfo> GetMappingInfo(Type type, string tableName)
                 x.ModifierAttributes = modifiers?.ToList() ?? new List<BulkOperationModifierAttribute>();
                 x.OverrideSourceMethod = GetOverrideSouceFunc(type, sourceAttribute?.PropertyName);
                 x.NpgsqlType = GetNpgsqlType(x.ColumnInfo);
-                x.TempAliasedColumnName = $"{x.TableName}_{x.ColumnInfo.ColumnName}".ToLower();
+                x.TempAliasedColumnName = Guid.NewGuid().ToString().Replace("-", "_");
                 x.QualifiedColumnName = $"{NpgsqlHelper.GetQualifiedName(x.TableName)}.{NpgsqlHelper.GetQualifiedName(x.ColumnInfo.ColumnName)}";
             });
             return mappings;