mirror of
https://github.com/nsnail/FreeSql.git
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93 lines
3.0 KiB
C#
93 lines
3.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Data.Common;
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using System.Linq.Expressions;
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using System.Threading.Tasks;
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namespace FreeSql {
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public interface IDelete<T1> where T1 : class {
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/// <summary>
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/// 指定事务对象
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/// </summary>
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/// <param name="transaction"></param>
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/// <returns></returns>
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IDelete<T1> WithTransaction(DbTransaction transaction);
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/// <summary>
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/// 指定事务对象
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/// </summary>
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/// <param name="connection"></param>
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/// <returns></returns>
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IDelete<T1> WithConnection(DbConnection connection);
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/// <summary>
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/// lambda表达式条件，仅支持实体基础成员（不包含导航对象）
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/// </summary>
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/// <param name="exp">lambda表达式条件</param>
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/// <returns></returns>
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IDelete<T1> Where(Expression<Func<T1, bool>> exp);
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/// <summary>
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/// 原生sql语法条件，Where("id = ?id", new { id = 1 })
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/// </summary>
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/// <param name="sql">sql语法条件</param>
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/// <param name="parms">参数</param>
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/// <returns></returns>
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IDelete<T1> Where(string sql, object parms = null);
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/// <summary>
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/// 传入实体，将主键作为条件
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/// </summary>
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/// <param name="item">实体</param>
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/// <returns></returns>
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IDelete<T1> Where(T1 item);
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/// <summary>
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/// 传入实体集合，将主键作为条件
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/// </summary>
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/// <param name="items">实体集合</param>
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/// <returns></returns>
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IDelete<T1> Where(IEnumerable<T1> items);
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/// <summary>
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/// 子查询是否存在
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/// </summary>
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/// <typeparam name="TEntity2"></typeparam>
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/// <param name="select">子查询</param>
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/// <param name="notExists">不存在</param>
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/// <returns></returns>
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IDelete<T1> WhereExists<TEntity2>(ISelect<TEntity2> select, bool notExists = false) where TEntity2 : class;
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/// <summary>
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/// 传入动态对象如：主键值 | new[]{主键值1,主键值2} | TEntity1 | new[]{TEntity1,TEntity2} | new{id=1}
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/// </summary>
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/// <param name="dywhere">主键值、主键值集合、实体、实体集合、匿名对象、匿名对象集合</param>
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/// <returns></returns>
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IDelete<T1> WhereDynamic(object dywhere);
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/// <summary>
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/// 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；
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/// </summary>
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/// <param name="tableRule"></param>
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/// <returns></returns>
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IDelete<T1> AsTable(Func<string, string> tableRule);
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/// <summary>
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/// 动态Type，在使用 Delete<object> 后使用本方法，指定实体类型
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/// </summary>
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/// <param name="entityType"></param>
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/// <returns></returns>
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IDelete<T1> AsType(Type entityType);
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/// <summary>
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/// 返回即将执行的SQL语句
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/// </summary>
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/// <returns></returns>
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string ToSql();
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/// <summary>
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/// 执行SQL语句，返回影响的行数
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/// </summary>
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/// <returns></returns>
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int ExecuteAffrows();
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Task<int> ExecuteAffrowsAsync();
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/// <summary>
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/// 执行SQL语句，返回被删除的记录
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/// </summary>
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/// <returns></returns>
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List<T1> ExecuteDeleted();
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Task<List<T1>> ExecuteDeletedAsync();
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}
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} |