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107 lines
4.0 KiB
107 lines
4.0 KiB
using SqlSugar;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace OrmTest
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{
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public class Demo2_Updateable
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{
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public static void Init()
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{
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Console.WriteLine("");
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Console.WriteLine("#### Updateable Start ####");
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SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
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{
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DbType = DbType.Oscar,
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ConnectionString = Config.ConnectionString,
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InitKeyType = InitKeyType.Attribute,
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IsAutoCloseConnection = true,
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AopEvents = new AopEvents
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{
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OnLogExecuting = (sql, p) =>
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{
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Console.WriteLine(sql);
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Console.WriteLine(string.Join(",", p?.Select(it => it.ParameterName + ":" + it.Value)));
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}
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}
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});
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/*** 1.entity or List ***/
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var updateObj = new Order() { Id = 1, Name = "order1" };
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var updateObjs = new List<Order> {
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new Order() { Id = 11, Name = "order11" },
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new Order() { Id = 12, Name = "order12" }
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};
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//update all columns by primary key
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var result = db.Updateable(updateObj).ExecuteCommand();//update single
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var result2 = db.Updateable(updateObjs).ExecuteCommand();//update List<Class>
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//Ignore Name and Price
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var result3 = db.Updateable(updateObj).IgnoreColumns(it => new { it.CreateTime, it.Price }).ExecuteCommand();
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//only update Name and CreateTime
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var result4 = db.Updateable(updateObj).UpdateColumns(it => new { it.Name, it.CreateTime }).ExecuteCommand();
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//If there is no primary key
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var result5 = db.Updateable(updateObj).WhereColumns(it => new { it.Id }).ExecuteCommand();//update single by id
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var result6 = db.Updateable(updateObjs).WhereColumns(it => new { it.Id }).ExecuteCommand();//update List<Class> by id
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/*** 2.by expression ***/
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//update name,createtime
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var result7 = db.Updateable<Order>(it => new Order() { Name = "a", CreateTime = DateTime.Now }).Where(it => it.Id == 11).ExecuteCommand();
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var result71 = db.Updateable<Order>().SetColumns(it => new Order() { Name = "a", CreateTime = DateTime.Now }).Where(it => it.Id == 11).ExecuteCommand();
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//only update name
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var result8 = db.Updateable<Order>(it => it.Name == "Name").Where(it => it.Id == 1).ExecuteCommand();
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var result81 = db.Updateable<Order>().SetColumns(it => it.Name == "Name" ).Where(it => it.Id == 1).ExecuteCommand();
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//
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/*** 3.by Dictionary ***/
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var dt = new Dictionary<string, object>();
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dt.Add("id", 1);
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dt.Add("name", "abc");
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dt.Add("createTime", DateTime.Now);
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var dtList = new List<Dictionary<string, object>>();
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dtList.Add(dt);
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var t66 = db.Updateable(dt).AS("order").WhereColumns("id").ExecuteCommand();
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var t666 = db.Updateable(dtList).AS("order").WhereColumns("id").ExecuteCommand();
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/*** 4.Other instructions ***/
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var caseValue = "1";
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//Do not update NULL columns
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db.Updateable(updateObj).IgnoreColumns(ignoreAllNullColumns: true).ExecuteCommand();
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//if 1 update name else if 2 update name,createtime
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db.Updateable(updateObj)
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.UpdateColumnsIF(caseValue == "1", it => new { it.Name })
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.UpdateColumnsIF(caseValue == "2", it => new { it.Name, it.CreateTime })
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.ExecuteCommand();
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//Use Lock
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db.Updateable(updateObj).With(SqlWith.UpdLock).ExecuteCommand();
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//Where Sql
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//db.Updateable(updateObj).Where("id=@x", new { x = 1 }).ExecuteCommand();
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Console.WriteLine("#### Updateable End ####");
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}
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}
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}
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