From 0758e8dd53c37a1be07ff474e8ff593aecb6820a Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Thu, 31 Jul 2025 19:50:25 +0800
Subject: [PATCH] Update difflog

---
 .../Abstract/DeleteProvider/DeleteableProvider.cs  | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
index bab77b3d3..0ae05b4e8 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
@@ -741,6 +741,15 @@ namespace SqlSugar
         {
             List<DiffLogTableInfo> result = new List<DiffLogTableInfo>();
             var whereSql = Regex.Replace(sql, ".* WHERE ", "", RegexOptions.Singleline);
+            if (IsExists(sql))
+            {
+                // 取第一个 WHERE 后面的部分
+                var match = Regex.Match(sql, @"\bWHERE\b\s*(.*)", RegexOptions.Singleline | RegexOptions.IgnoreCase);
+                if (match.Success)
+                {
+                    whereSql = match.Groups[1].Value;
+                }
+            }
             var dt = this.Context.Queryable<T>().AS(this.DeleteBuilder.AsName).Filter(null, true).Where(whereSql).AddParameters(parameters).ToDataTable();
             if (dt.Rows != null && dt.Rows.Count > 0)
             {
@@ -800,5 +809,10 @@ namespace SqlSugar
                 }
             }
         }
+
+        private static bool IsExists(string sql)
+        {
+            return UtilMethods.CountSubstringOccurrences(sql, "WHERE") > 1;
+        }
     }
 }