From 713f98852cc91e5a00695c2e4e06406a9ee50ff4 Mon Sep 17 00:00:00 2001
From: 2881099 <2881099@qq.com>
Date: Wed, 30 Mar 2022 18:37:56 +0800
Subject: [PATCH] =?UTF-8?q?-=20=E4=BF=AE=E5=A4=8D=20UseGenerateCommandPara?=
 =?UTF-8?q?meterWithLambda=20=E5=AF=B9=E4=B8=8D=E5=8F=AF=E5=8F=82=E6=95=B0?=
 =?UTF-8?q?=E5=8C=96=E7=9A=84=E6=95=B0=E6=8D=AE=E7=B1=BB=E5=9E=8B=E5=86=B2?=
 =?UTF-8?q?=E7=AA=81=E7=9A=84=20bug=EF=BC=9B#1061?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 FreeSql/Internal/CommonExpression.cs | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/FreeSql/Internal/CommonExpression.cs b/FreeSql/Internal/CommonExpression.cs
index 73a23733..1e52e23c 100644
--- a/FreeSql/Internal/CommonExpression.cs
+++ b/FreeSql/Internal/CommonExpression.cs
@@ -1887,11 +1887,14 @@ namespace FreeSql.Internal
             if (_common.CodeFirst.IsGenerateCommandParameterWithLambda && dbParams != null)
             {
                 if (obj == null) return "NULL";
-                var paramName = $"exp_{dbParams.Count}";
-                if (_common._orm?.Ado.DataType == DataType.GBase) paramName = "?";
-                var parm = _common.AppendParamter(dbParams, paramName, mapColumn,
-                    mapType ?? mapColumn?.Attribute.MapType ?? obj?.GetType(), mapType == null ? obj : Utils.GetDataReaderValue(mapType, obj));
-                return _common.QuoteParamterName(paramName);
+                var type = mapType ?? mapColumn?.Attribute.MapType ?? obj?.GetType();
+                if (_common.CodeFirst.GetDbInfo(type) != null)
+                {
+                    var paramName = $"exp_{dbParams.Count}";
+                    if (_common._orm?.Ado.DataType == DataType.GBase) paramName = "?";
+                    var parm = _common.AppendParamter(dbParams, paramName, mapColumn, type, mapType == null ? obj : Utils.GetDataReaderValue(mapType, obj));
+                    return _common.QuoteParamterName(paramName);
+                }
             }
             return string.Format(CultureInfo.InvariantCulture, "{0}", _ado.AddslashesProcessParam(obj, mapType, mapColumn));
             //return string.Concat(_ado.AddslashesProcessParam(obj, mapType, mapColumn));