From 801ba148d6233d9076f4ad6ef5baa9dbbcb47235 Mon Sep 17 00:00:00 2001
From: 2881099 <2881099@qq.com>
Date: Thu, 19 Oct 2023 14:42:52 +0800
Subject: [PATCH] =?UTF-8?q?-=20=E4=BF=AE=E5=A4=8D=20UpdateJoin=20IsVersion?=
 =?UTF-8?q?=20=E5=AD=97=E6=AE=B5=E7=9A=84=E5=88=AB=E5=90=8D=E9=97=AE?=
 =?UTF-8?q?=E9=A2=98=EF=BC=9B?=
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---
 .../Internal/CommonProvider/UpdateProvider.cs | 20 ++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/FreeSql/Internal/CommonProvider/UpdateProvider.cs b/FreeSql/Internal/CommonProvider/UpdateProvider.cs
index 27059ad1..50388446 100644
--- a/FreeSql/Internal/CommonProvider/UpdateProvider.cs
+++ b/FreeSql/Internal/CommonProvider/UpdateProvider.cs
@@ -1216,6 +1216,24 @@ namespace FreeSql.Internal.CommonProvider
             if (_versionColumn != null && _versionColumn.Attribute.CanUpdate)
             {
                 var vcname = _commonUtils.QuoteSqlName(_versionColumn.Attribute.Name);
+                var vcvalue = vcname;
+                if (string.IsNullOrWhiteSpace(_tableAlias) == false)
+                {
+                    switch (_orm.Ado.DataType)
+                    {
+                        case DataType.PostgreSQL:
+                        case DataType.OdbcPostgreSQL:
+                        case DataType.CustomPostgreSQL:
+                        case DataType.KingbaseES:
+                        case DataType.OdbcKingbaseES:
+                        case DataType.ShenTong:
+                            vcvalue = $"{_tableAlias}.{vcname}";  //set name = b.name
+                            break;
+                        default:
+                            vcname = vcvalue = $"{_tableAlias}.{vcname}";  //set a.name = b.name
+                            break;
+                    }
+                }
                 if (_versionColumn.Attribute.MapType == typeof(byte[]))
                 {
                     _updateVersionValue = Utils.GuidToBytes(Guid.NewGuid());
@@ -1227,7 +1245,7 @@ namespace FreeSql.Internal.CommonProvider
                     sb.Append(", ").Append(vcname).Append(" = ").Append(_commonUtils.GetNoneParamaterSqlValue(_paramsSource, "uv", _versionColumn, _versionColumn.Attribute.MapType, _updateVersionValue));
                 }
                 else
-                    sb.Append(", ").Append(vcname).Append(" = ").Append(_commonUtils.IsNull(vcname, 0)).Append(" + 1");
+                    sb.Append(", ").Append(vcname).Append(" = ").Append(_commonUtils.IsNull(vcvalue, 0)).Append(" + 1");
             }
             ToSqlWhere(sb);
             _interceptSql?.Invoke(sb);