From 405c736c98c065a5000cb7da79e0e0122dcbeef7 Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Thu, 24 Apr 2025 09:00:10 +0800
Subject: [PATCH] Update sqlite wherecolums null bug

---
 .../Realization/Sqlite/SqlBuilder/SqliteUpdateBuilder.cs   | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteUpdateBuilder.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteUpdateBuilder.cs
index 5a2524c97..d9ce757c4 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteUpdateBuilder.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteUpdateBuilder.cs
@@ -41,7 +41,12 @@ namespace SqlSugar
 
         private string GetOracleUpdateColums(int i,DbColumnInfo m,bool iswhere)
         {
-            return string.Format("\"{0}\"={1}", m.DbColumnName.ToUpper(),base.GetDbColumn(m, FormatValue(i,m.DbColumnName,m.Value,iswhere)));
+            var result= string.Format("\"{0}\"={1}", m.DbColumnName.ToUpper(),base.GetDbColumn(m, FormatValue(i,m.DbColumnName,m.Value,iswhere)));
+            if (iswhere && m.Value == null)
+            {
+                result = result.Replace("=NULL", " is NULL ");
+            }
+            return result;
         }
 
         public  object FormatValue(int i,string name,object value,bool iswhere)