- 优化 IUpdateJoin AsTable 同时对多表名设置；

Author: 2881099

Examples/base_entity/Program.cs

@@ -559,7 +559,7 @@ static void Main(string[] args)
                 //.UseConnectionString(FreeSql.DataType.Firebird, @"database=localhost:D:\fbdata\EXAMPLES.fdb;user=sysdba;password=123456;max pool size=5")
                 //.UseQuoteSqlName(false)
 
-                //.UseConnectionString(FreeSql.DataType.MySql, "Data Source=127.0.0.1;Port=3306;User ID=root;Password=root;Initial Catalog=cccddd;Charset=utf8;SslMode=none;min pool size=1;Max pool size=3;AllowLoadLocalInfile=true")
+                .UseConnectionString(FreeSql.DataType.MySql, "Data Source=127.0.0.1;Port=3306;User ID=root;Password=root;Initial Catalog=cccddd;Charset=utf8;SslMode=none;min pool size=1;Max pool size=3;AllowLoadLocalInfile=true")
 
                 //.UseConnectionString(FreeSql.DataType.SqlServer, "Data Source=.;Integrated Security=True;Initial Catalog=freesqlTest;Pooling=true;Max Pool Size=3;TrustServerCertificate=true")
 
@@ -600,6 +600,12 @@ static void Main(string[] args)
             BaseEntity.Initialization(fsql, () => _asyncUow.Value);
             #endregion
 
+            var updatejoin031sql = fsql.Update<User1>()
+                .Join<UserGroup>((a, b) => a.GroupId == b.Id)
+                .AsTable("t1", "t2")
+                .Set((a, b) => b.GroupName == a.Username + "b.groupname")
+                .ToSql();
+
             fsql.CodeFirst.Entity<B11>(e =>
             {
                 e.Help().Navigate(b => b.a, nameof(B11.Id));
@@ -618,11 +624,6 @@ static void Main(string[] args)
 
             fsql.GlobalFilter.Apply<User1>("test01", a => a.IsDeleted == false);
 
-            var updatejoin031sql = fsql.Update<User1>()
-                .Join<UserGroup>((a, b) => a.GroupId == b.Id)
-                .Set((a, b) => b.GroupName == a.Username + "b.groupname")
-                .ToSql();
-
             fsql.UseJsonMap();
             fsql.Select<MiDevice>().Where(a => a.FormLocking == null).Count();
 

FreeSql.DbContext/FreeSql.DbContext.xml

@@ -106,8 +106,9 @@ public interface IUpdateJoin<T1, T2>
         /// 设置表名
         /// </summary>
         /// <param name="tableName"></param>
+        /// <param name="joinTableName"></param>
         /// <returns></returns>
-        IUpdateJoin<T1, T2> AsTable(string tableName);
+        IUpdateJoin<T1, T2> AsTable(string tableName, string joinTableName);
         /// <summary>
         /// 返回即将执行的SQL语句
         /// </summary>

FreeSql/FreeSql.xml

@@ -98,9 +98,15 @@ public void ValidateDataType(Action InterceptSqlServer, Action InterceptMySql, A
         }
 
         #region proxy IUpdate
-        public IUpdateJoin<T1, T2> AsTable(string tableName)
+        public IUpdateJoin<T1, T2> AsTable(string tableName, string joinTableName)
         {
             _update.AsTable(tableName);
+            _query2Provider._tableRules.Clear();
+            _query2Provider._tableRules.Add((t, old) =>
+            {
+                if (t == typeof(T2)) return joinTableName;
+                return old;
+            });
             return this;
         }
         public IUpdateJoin<T1, T2> WithConnection(DbConnection connection)