FreeSql ISelect/IUpdate/IInsert/IDelete 增加 AsTable 方法，实现分表

FreeSql/Interface/Curd/IDelete.cs

@@ -39,6 +39,12 @@ namespace FreeSql {
 		/// <returns></returns>
 		IDelete<T1> WhereExists<TEntity2>(ISelect<TEntity2> select, bool notExists = false) where TEntity2 : class;
 
+		/// <summary>
+		/// 设置表名规则，可用于分库/分表，参数1：默认表名；返回值：新表名；
+		/// </summary>
+		/// <param name="dataTable"></param>
+		/// <returns></returns>
+		IDelete<T1> AsTable(Func<string, string> tableRule);
 		/// <summary>
 		/// 返回即将执行的SQL语句
 		/// </summary>

FreeSql/Interface/Curd/IInsert.cs

@@ -32,6 +32,12 @@ namespace FreeSql {
 		/// <returns></returns>
 		IInsert<T1> IgnoreColumns(Expression<Func<T1, object>> columns);
 
+		/// <summary>
+		/// 设置表名规则，可用于分库/分表，参数1：默认表名；返回值：新表名；
+		/// </summary>
+		/// <param name="dataTable"></param>
+		/// <returns></returns>
+		IInsert<T1> AsTable(Func<string, string> tableRule);
 		/// <summary>
 		/// 返回即将执行的SQL语句
 		/// </summary>

FreeSql/Interface/Curd/ISelect/ISelect0.cs

@@ -35,6 +35,12 @@ namespace FreeSql {
 		T1 First();
 		Task<T1> FirstAsync();
 
+		/// <summary>
+		/// 设置表名规则，可用于分库/分表，参数1：实体类型；参数2：默认表名；返回值：新表名；
+		/// </summary>
+		/// <param name="dataTable"></param>
+		/// <returns></returns>
+		TSelect AsTable(Func<Type, string, string> tableRule);
 		/// <summary>
 		/// 返回即将执行的SQL语句
 		/// </summary>

FreeSql/Interface/Curd/IUpdate.cs

@@ -82,6 +82,12 @@ namespace FreeSql {
 		/// <returns></returns>
 		IUpdate<T1> WhereExists<TEntity2>(ISelect<TEntity2> select, bool notExists = false) where TEntity2 : class;
 
+		/// <summary>
+		/// 设置表名规则，可用于分库/分表，参数1：默认表名；返回值：新表名；
+		/// </summary>
+		/// <param name="dataTable"></param>
+		/// <returns></returns>
+		IUpdate<T1> AsTable(Func<string, string> tableRule);
 		/// <summary>
 		/// 返回即将执行的SQL语句
 		/// </summary>