From 2272c46df6b74436e6e873acc62f9f9ae71a09c9 Mon Sep 17 00:00:00 2001
From: 2881099 <2881099@qq.com>
Date: Thu, 28 Dec 2023 13:56:14 +0800
Subject: [PATCH] =?UTF-8?q?-=20=E8=A1=A5=E5=85=85=20WithMemory=20null/Empt?=
 =?UTF-8?q?y=20=E5=8F=82=E6=95=B0=E5=88=A4=E6=96=AD=EF=BC=9B?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 .../CommonProvider/SelectProvider/Select1Provider.cs        | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/FreeSql/Internal/CommonProvider/SelectProvider/Select1Provider.cs b/FreeSql/Internal/CommonProvider/SelectProvider/Select1Provider.cs
index 1e15f1a52..753de9030 100644
--- a/FreeSql/Internal/CommonProvider/SelectProvider/Select1Provider.cs
+++ b/FreeSql/Internal/CommonProvider/SelectProvider/Select1Provider.cs
@@ -525,9 +525,11 @@ public ISelect<T1> WithSql(string sql, object parms = null)
         }
         public ISelect<T1> WithMemory(IEnumerable<T1> source)
         {
-            var sb = new StringBuilder();
+            var list = source?.Select(a => (object)a).ToList();
+            if (list.Any() != true) throw new Exception(CoreStrings.Cannot_Be_NULL_Name(nameof(source)));
+			var sb = new StringBuilder();
             (_orm.InsertOrUpdate<object>().AsType(_tables[0].Table.Type) as InsertOrUpdateProvider<object>)
-                .WriteSourceSelectUnionAll(source.Select(a => (object)a).ToList(), sb, _params);
+                .WriteSourceSelectUnionAll(list, sb, _params);
 
             try { return WithSql(sb.ToString()); }
             finally { sb.Clear(); }