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86 lines
3.2 KiB
86 lines
3.2 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 DemoN_SplitTable
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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("#### CodeFirst Start ####");
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SqlSugarClient db = new SqlSugarClient(new ConnectionConfig()
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{
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DbType = DbType.Oracle,
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ConnectionString = Config.ConnectionString,
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InitKeyType = InitKeyType.Attribute,
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IsAutoCloseConnection = true
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});
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db.Aop.OnLogExecuted = (s, p) =>
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{
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Console.WriteLine(s);
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};
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//初始化分表
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db.CodeFirst.SplitTables().InitTables<OrderSpliteTest>();
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Console.WriteLine();
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//根据最近3个表进行查询
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var list=db.Queryable<OrderSpliteTest>().Where(it=>it.Pk==Guid.NewGuid())
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.SplitTable(tabs => tabs.Take(3))
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.Where(it=>it.Time==DateTime.Now).ToOffsetPage(1,2);
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Console.WriteLine();
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//根据时间选出的表进行查询
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var list2 = db.Queryable<OrderSpliteTest>().SplitTable(tabs => tabs.Where(it=> it.Date>=DateTime.Now.AddYears(-2))).ToList();
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Console.WriteLine();
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//删除数据只在最近3张表执行操作
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var x = db.Deleteable<OrderSpliteTest>().Where(it=>it.Pk==Guid.NewGuid()).SplitTable(tabs => tabs.Take(3)).ExecuteCommand();
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Console.WriteLine();
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var tableName = db.SplitHelper<OrderSpliteTest>().GetTableName(DateTime.Now.AddDays(-1));
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var tableName2 = db.SplitHelper(new OrderSpliteTest() { Time=DateTime.Now}).GetTableNames();
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var tableName3 = db.SplitHelper(new List<OrderSpliteTest> {
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new OrderSpliteTest() { Time = DateTime.Now },
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new OrderSpliteTest() { Time = DateTime.Now },
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new OrderSpliteTest() { Time = DateTime.Now.AddMonths(-10) }
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}).GetTableNames();
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var x2 = db.Updateable<OrderSpliteTest>()
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.SetColumns(it=>it.Name=="a")
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.Where(it => it.Pk == Guid.NewGuid())
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.SplitTable(tabs => tabs.InTableNames(tableName2))
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.ExecuteCommand();
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Console.WriteLine();
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//按日分表
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var x3 = db.Insertable(new OrderSpliteTest() { Name="A" }).SplitTable().ExecuteCommand();
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Console.WriteLine();
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////强制分表类型
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var x4 = db.Insertable(new OrderSpliteTest() { Name = "A" ,Time=DateTime.Now.AddDays(-1) }).SplitTable().ExecuteCommand();
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Console.WriteLine("#### CodeFirst end ####");
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}
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[SplitTable(SplitType.Day)]
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[SqlSugar.SugarTable("Taxxx0101_{year}{month}{day}")]
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public class OrderSpliteTest
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{
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[SugarColumn(IsPrimaryKey =true)]
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public Guid Pk{ get; set; }
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public string Name { get; set; }
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[SugarColumn(IsNullable =true)]
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[SplitField]
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public DateTime Time { get; set; }
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}
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}
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}
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