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Optimize single table read performance

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This commit is contained in:
2881099
2022-06-01 14:21:53 +08:00
parent 7290109734
commit 105947c2ed
9 changed files with 139 additions and 219 deletions
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123
Examples/orm_vs/Program.cs
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@ -1,4 +1,6 @@
using FreeSql.Internal;
using Dapper;
using FreeSql.Internal;
using Microsoft.Data.SqlClient;
using Microsoft.EntityFrameworkCore;
using SqlSugar;
using System;
@ -12,14 +14,15 @@ using System.Linq.Expressions;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using FreeSql;
namespace orm_vs
{
class Program
{
static IFreeSql fsql = new FreeSql.FreeSqlBuilder()
//.UseConnectionString(FreeSql.DataType.SqlServer, "Data Source=.;Integrated Security=True;Initial Catalog=freesqlTest;Pooling=true;Max Pool Size=20")
.UseConnectionString(FreeSql.DataType.MySql, "Data Source=127.0.0.1;Port=3306;User ID=root;Password=root;Initial Catalog=cccddd;Charset=utf8;SslMode=none;Max pool size=20")
.UseConnectionString(FreeSql.DataType.SqlServer, "Data Source=.;Integrated Security=True;Initial Catalog=tedb;Pooling=true;Max Pool Size=20")
//.UseConnectionString(FreeSql.DataType.MySql, "Data Source=127.0.0.1;Port=3306;User ID=root;Password=root;Initial Catalog=cccddd;Charset=utf8;SslMode=none;Max pool size=20")
//.UseConnectionString(FreeSql.DataType.PostgreSQL, "Host=192.168.164.10;Port=5432;Username=postgres;Password=123456;Database=tedb;Pooling=true;Maximum Pool Size=20")
.UseAutoSyncStructure(false)
.UseNoneCommandParameter(true)
@ -32,19 +35,19 @@ namespace orm_vs
{
var db = new SqlSugarClient(new ConnectionConfig()
{
//ConnectionString = "Data Source=.;Integrated Security=True;Initial Catalog=freesqlTest;Pooling=true;Min Pool Size=20;Max Pool Size=20",
//DbType = DbType.SqlServer,
ConnectionString = "Data Source=127.0.0.1;Port=3306;User ID=root;Password=root;Initial Catalog=cccddd;Charset=utf8;SslMode=none;Min Pool Size=20;Max Pool Size=20",
DbType = DbType.MySql,
ConnectionString = "Data Source=.;Integrated Security=True;Initial Catalog=tedb;Pooling=true;Min Pool Size=20;Max Pool Size=20",
DbType = DbType.SqlServer,
//ConnectionString = "Data Source=127.0.0.1;Port=3306;User ID=root;Password=root;Initial Catalog=cccddd;Charset=utf8;SslMode=none;Min Pool Size=20;Max Pool Size=20",
//DbType = DbType.MySql,
//ConnectionString = "Host=192.168.164.10;Port=5432;Username=postgres;Password=123456;Database=tedb;Pooling=true;Maximum Pool Size=21",
//DbType = DbType.PostgreSQL,
IsAutoCloseConnection = true,
InitKeyType = InitKeyType.Attribute
});
db.Aop.OnLogExecuting = (sql, pars) =>
{
Console.WriteLine(sql);//输出sql,查看执行sql
};
//db.Aop.OnLogExecuting = (sql, pars) =>
//{
// Console.WriteLine(sql);//输出sql,查看执行sql
//};
return db;
}
}
@ -52,10 +55,11 @@ namespace orm_vs
class SongContext : DbContext
{
public DbSet<Song> Songs { get; set; }
public DbSet<PatientExamination_2022> PatientExamination_2022s { get; set; }
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
{
//optionsBuilder.UseSqlServer(@"Data Source=.;Integrated Security=True;Initial Catalog=freesqlTest;Pooling=true;Min Pool Size=21;Max Pool Size=21");
optionsBuilder.UseMySql("Data Source=127.0.0.1;Port=3306;User ID=root;Password=root;Initial Catalog=cccddd;Charset=utf8;SslMode=none;Min Pool Size=21;Max Pool Size=21");
optionsBuilder.UseSqlServer(@"Data Source=.;Integrated Security=True;Initial Catalog=tedb;Pooling=true;Min Pool Size=21;Max Pool Size=21");
//optionsBuilder.UseMySql("Data Source=127.0.0.1;Port=3306;User ID=root;Password=root;Initial Catalog=cccddd;Charset=utf8;SslMode=none;Min Pool Size=21;Max Pool Size=21");
//optionsBuilder.UseNpgsql("Host=192.168.164.10;Port=5432;Username=postgres;Password=123456;Database=tedb;Pooling=true;Maximum Pool Size=21");
}
@ -69,8 +73,101 @@ namespace orm_vs
}
}
//CREATE TABLE [dbo].[PatientExamination_2022] (
// [Id] uniqueidentifier NOT NULL,
// [CreateTime] datetime NOT NULL,
// [ExamKindId] uniqueidentifier NOT NULL,
// [ExamKindName] nvarchar(255) COLLATE Chinese_PRC_CI_AS NULL,
// [PatientGuid] uniqueidentifier NOT NULL,
// [PatientName] nvarchar(255) COLLATE Chinese_PRC_CI_AS NULL,
// [AnesthesiaType] int NOT NULL,
// [DiaRoomId] uniqueidentifier NULL,
// [DiaRoomName] nvarchar(255) COLLATE Chinese_PRC_CI_AS NULL,
// [QueueIndex] int NOT NULL,
// [QueueNum] int NOT NULL,
// [OrderDateTime] datetime NOT NULL,
// [TimeType] int NOT NULL,
// [SignInTime] datetime NULL,
// [StartCheckTime] datetime NULL,
// [EndCheckTime] datetime NULL,
// [VerifyTime] datetime NULL,
// [ReportTime] datetime NULL,
// [ExaminationState] int NOT NULL
//)
[Table("PatientExamination_2022")]
class PatientExamination_2022
{
public Guid Id { get; set; }
public DateTime CreateTime { get; set; }
public Guid ExamKindId { get; set; }
public string ExamKindName { get; set; }
public Guid PatientGuid { get; set; }
public string PatientName { get; set; }
public int AnesthesiaType { get; set; }
public Guid? DiaRoomId { get; set; }
public string DiaRoomName { get; set; }
public int QueueIndex { get; set; }
public int QueueNum { get; set; }
public DateTime OrderDateTime { get; set; }
public int TimeType { get; set; }
public DateTime? SignInTime { get; set; }
public DateTime? StartCheckTime { get; set; }
public DateTime? EndCheckTime { get; set; }
public DateTime? VerifyTime { get; set; }
public DateTime? ReportTime { get; set; }
public int ExaminationState { get; set; }
}
static void TestFreeSqlSelectPatientExamination_2022()
{
var list = fsql.Select<PatientExamination_2022>().Limit(40000).ToList();
//var list = fsql.Ado.Query<PatientExamination_2022>("select top 40000 * from PatientExamination_2022");
}
static void TestEfSelectPatientExamination_2022()
{
using (var ctx = new SongContext())
{
var list = ctx.PatientExamination_2022s.Take(40000).AsNoTracking().ToList();
}
}
static void TestSqlSugarSelectPatientExamination_2022()
{
var list = sugar.Queryable<PatientExamination_2022>().Take(40000).ToList();
}
static void TestDapperSelectPatientExamination_2022()
{
using (var conn = new SqlConnection("Data Source=.;Integrated Security=True;Initial Catalog=tedb;Pooling=true;Min Pool Size=21;Max Pool Size=22"))
{
var list = conn.Query<PatientExamination_2022>("select top 40000 * from PatientExamination_2022");
}
}
static DbConnection fsqlConn = null;
static void Main(string[] args)
{
var count = 0;
var sws = new List<long>();
Console.WriteLine("观察查询4万条记录内存，按 Enter 进入下一次，按任易键即出程序。。。");
//while(Console.ReadKey().Key == ConsoleKey.Enter)
//using (var fcon = fsql.Ado.MasterPool.Get())
//{
//fsqlConn = fcon.Value;
for (var a = 0; a < 80; a++)
{
Stopwatch sw = Stopwatch.StartNew();
TestFreeSqlSelectPatientExamination_2022();
//TestEfSelectPatientExamination_2022();
//TestSqlSugarSelectPatientExamination_2022();
//TestDapperSelectPatientExamination_2022();
sw.Stop();
sws.Add(sw.ElapsedMilliseconds);
Console.WriteLine($"第 {++count} 次，查询4万条记录, {sw.ElapsedMilliseconds}ms，平均 {(long)sws.Average()}ms");
}
//}
Console.ReadKey();
fsql.Dispose();
return;
//fsql.CodeFirst.SyncStructure(typeof(Song), typeof(Song_tag), typeof(Tag));
//sugar.CodeFirst.InitTables(typeof(Song), typeof(Song_tag), typeof(Tag));
//sugar创建表失败：SqlSugar.SqlSugarException: Sequence contains no elements