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- 增加 IUpdate.Join 联表更新功能；

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2881099
2023-03-10 20:42:32 +08:00
parent 39bb327022
commit a6c1981bd6
7 changed files with 627 additions and 14 deletions
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29
FreeSql/Interface/Curd/IUpdate.cs
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@ -10,6 +10,31 @@ namespace FreeSql
{
public interface IUpdate<T1>
{
/// <summary>
/// 联表更新(危险操作)，支持更复杂的联表更新<para></para>
/// fsql.Update&lt;T1&gt;()<para></para>
/// .Join(fsql.Select&lt;T1&gt;(), (a, b) => a.id == b.id)<para></para>
/// .Set((a, b) => a.name == b.name)<para></para>
/// .Set((a, b) => a.time == b.time2)<para></para>
/// .ExecuteAffrows();
/// </summary>
/// <typeparam name="T2"></typeparam>
/// <param name="query"></param>
/// <param name="on"></param>
/// <returns></returns>
IUpdateJoin<T1, T2> Join<T2>(ISelect<T2> query, Expression<Func<T1, T2, bool>> on) where T2 : class;
/// <summary>
/// 联表更新(危险操作)<para></para>
/// fsql.Update&lt;T1&gt;()<para></para>
/// .Join&lt;T2&gt;((a, b) => a.id == b.id)<para></para>
/// .Set((a, b) => a.name == b.name)<para></para>
/// .Set((a, b) => a.time == b.time2)<para></para>
/// .ExecuteAffrows();
/// </summary>
/// <typeparam name="T2"></typeparam>
/// <param name="on"></param>
/// <returns></returns>
IUpdateJoin<T1, T2> Join<T2>(Expression<Func<T1, T2, bool>> on) where T2 : class;
/// <summary>
/// 指定事务对象
@ -134,7 +159,7 @@ namespace FreeSql
/// <returns></returns>
IUpdate<T1> SetIf<TMember>(bool condition, Expression<Func<T1, TMember>> column, TMember value);
/// <summary>
/// 设置列的的新值为基础上增加，格式：Set(a => a.Clicks + 1) 相当于 clicks=clicks+1
/// 设置列的新值为基础上增加，格式：Set(a => a.Clicks + 1) 相当于 clicks=clicks+1
/// <para></para>
/// 指定更新，格式：Set(a => new T { Clicks = a.Clicks + 1, Time = DateTime.Now }) 相当于 set clicks=clicks+1,time='2019-06-19....'
/// </summary>
@ -143,7 +168,7 @@ namespace FreeSql
/// <returns></returns>
IUpdate<T1> Set<TMember>(Expression<Func<T1, TMember>> exp);
/// <summary>
/// 设置列的的新值为基础上增加，格式：Set(a => a.Clicks + 1) 相当于 clicks=clicks+1
/// 设置列的新值为基础上增加，格式：Set(a => a.Clicks + 1) 相当于 clicks=clicks+1
/// <para></para>
/// 指定更新，格式：Set(a => new T { Clicks = a.Clicks + 1, Time = DateTime.Now }) 相当于 set clicks=clicks+1,time='2019-06-19....'
/// </summary>

127
FreeSql/Interface/Curd/IUpdateJoin.cs Normal file
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@ -0,0 +1,127 @@
using FreeSql.Internal.Model;
using System;
using System.Collections.Generic;
using System.Data.Common;
using System.Linq.Expressions;
using System.Threading;
using System.Threading.Tasks;
namespace FreeSql
{
public interface IUpdateJoin<T1, T2>
{
/// <summary>
/// 指定事务对象
/// </summary>
/// <param name="transaction"></param>
/// <returns></returns>
IUpdateJoin<T1, T2> WithTransaction(DbTransaction transaction);
/// <summary>
/// 指定事务对象
/// </summary>
/// <param name="connection"></param>
/// <returns></returns>
IUpdateJoin<T1, T2> WithConnection(DbConnection connection);
/// <summary>
/// 命令超时设置(秒)
/// </summary>
/// <param name="timeout"></param>
/// <returns></returns>
IUpdateJoin<T1, T2> CommandTimeout(int timeout);
/// <summary>
/// 设置列的固定新值，Set(a => a.Name, "newvalue")
/// </summary>
/// <typeparam name="TMember"></typeparam>
/// <param name="column">lambda选择列</param>
/// <param name="value">新值</param>
/// <returns></returns>
IUpdateJoin<T1, T2> Set<TMember>(Expression<Func<T1, TMember>> column, TMember value);
/// <summary>
/// 设置列的固定新值，Set(a => a.Name, "newvalue")
/// </summary>
/// <typeparam name="TMember"></typeparam>
/// <param name="condition">true 时生效</param>
/// <param name="column">lambda选择列</param>
/// <param name="value">新值</param>
/// <returns></returns>
IUpdateJoin<T1, T2> SetIf<TMember>(bool condition, Expression<Func<T1, TMember>> column, TMember value);
/// <summary>
/// 设置列的联表值，格式：<para></para>
/// Set((a, b) => a.Clicks == b.xxx)<para></para>
/// Set((a, b) => a.Clicks == a.Clicks + 1)
/// </summary>
/// <param name="exp"></param>
/// <returns></returns>
IUpdateJoin<T1, T2> Set(Expression<Func<T1, T2, bool>> exp);
/// <summary>
/// 设置列的联表值，格式：<para></para>
/// Set((a, b) => a.Clicks == b.xxx)<para></para>
/// Set((a, b) => a.Clicks == a.Clicks + 1)
/// <para></para>
/// </summary>
/// <param name="condition">true 时生效</param>
/// <param name="exp"></param>
/// <returns></returns>
IUpdateJoin<T1, T2> SetIf(bool condition, Expression<Func<T1, T2, bool>> exp);
/// <summary>
/// 设置值，自定义SQL语法，SetRaw("title = @title", new { title = "newtitle" })<para></para>
/// 提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
/// </summary>
/// <param name="sql">sql语法</param>
/// <param name="parms">参数</param>
/// <returns></returns>
IUpdateJoin<T1, T2> SetRaw(string sql, object parms = null);
/// <summary>
/// lambda表达式条件，仅支持实体基础成员（不包含导航对象）
/// </summary>
/// <param name="exp">lambda表达式条件</param>
/// <returns></returns>
IUpdateJoin<T1, T2> Where(Expression<Func<T1, T2, bool>> exp);
/// <summary>
/// lambda表达式条件，仅支持实体基础成员（不包含导航对象）
/// </summary>
/// <param name="condition">true 时生效</param>
/// <param name="exp">lambda表达式条件</param>
/// <returns></returns>
IUpdateJoin<T1, T2> WhereIf(bool condition, Expression<Func<T1, T2, bool>> exp);
/// <summary>
/// 原生sql语法条件，Where("id = @id", new { id = 1 })<para></para>
/// 提示：parms 参数还可以传 Dictionary&lt;string, object&gt;
/// </summary>
/// <param name="sql">sql语法条件</param>
/// <param name="parms">参数</param>
/// <returns></returns>
IUpdateJoin<T1, T2> Where(string sql, object parms = null);
/// <summary>
/// 禁用全局过滤功能，不传参数时将禁用所有
/// </summary>
/// <param name="name">零个或多个过滤器名字</param>
/// <returns></returns>
IUpdateJoin<T1, T2> DisableGlobalFilter(params string[] name);
/// <summary>
/// 设置表名
/// </summary>
/// <param name="tableName"></param>
/// <returns></returns>
IUpdateJoin<T1, T2> AsTable(string tableName);
/// <summary>
/// 返回即将执行的SQL语句
/// </summary>
/// <returns></returns>
string ToSql();
/// <summary>
/// 执行SQL语句，返回影响的行数
/// </summary>
/// <returns></returns>
int ExecuteAffrows();
#if net40
#else
Task<int> ExecuteAffrowsAsync(CancellationToken cancellationToken = default);
#endif
}
}