feat: add compare dapper bench

Author: SoftStoneDevelop

Src/NpgsqlBenchmark/Benchmarks/CompareDapper.cs

@@ -0,0 +1,99 @@
+using BenchmarkDotNet.Attributes;
+using BenchmarkDotNet.Jobs;
+using Dapper;
+using Microsoft.Extensions.Configuration;
+using Npgsql;
+using NpgsqlBenchmark.Model;
+using System.IO;
+using System.Linq;
+
+namespace NpgsqlBenchmark.Benchmarks
+{
+    [MemoryDiagnoser]
+    [SimpleJob(RuntimeMoniker.Net70)]
+    [HideColumns("Error", "StdDev", "Median", "RatioSD", "Gen0", "Gen1", "Gen2")]
+    public class CompareDapper
+    {
+        [Params(10, 20, 30)]
+        public int Size;
+
+        private NpgsqlConnection _connection;
+
+        [GlobalSetup]
+        public void Setup()
+        {
+            var root = new ConfigurationBuilder()
+                .SetBasePath(Directory.GetCurrentDirectory())
+                .AddJsonFile("settings.json", optional: false)
+                .Build()
+                ;
+
+            _connection = new NpgsqlConnection(root.GetConnectionString("SqlConnection"));
+            _connection.Open();
+        }
+
+        [GlobalCleanup]
+        public void Cleanup()
+        {
+            _connection?.Dispose();
+        }
+
+        [Gedaq.Npgsql.Attributes.Query(
+            @"
+SELECT 
+    p.id,
+    p.firstname,
+~StartInner::Identification:id~
+    i.id,
+    i.typename,
+~EndInner::Identification~
+    p.middlename,
+    p.lastname
+FROM person p
+LEFT JOIN identification i ON i.id = p.identification_id
+WHERE p.id > $1
+",
+            "CompareRead",
+            typeof(Person)
+            ),
+            Gedaq.Npgsql.Attributes.Parametr(parametrType: typeof(int), position: 1)
+            ]
+        [Benchmark(Description = $"Gedaq.Npgsql")]
+        public void Npgsql()
+        {
+            for (int i = 0; i < Size; i++)
+            {
+                var persons = ((NpgsqlConnection)_connection).CompareRead(49999).ToList();
+            }
+        }
+
+        [Benchmark(Baseline = true, Description = "Dapper")]
+        public void Dapper()
+        {
+            for (int i = 0; i < Size; i++)
+            {
+                var persons = _connection.Query<Person, Identification, Person>(@"
+SELECT 
+    p.id,
+    p.firstname,
+    p.middlename,
+    p.lastname,
+    p.identification_id,
+    i.typename
+FROM person p
+LEFT JOIN identification i ON i.id = p.identification_id
+WHERE p.id > @id
+", 
+(person, ident) => 
+{
+    person.Identification = ident;
+    return person;
+},
+new { id = 49999 },
+splitOn: "identification_id"
+)
+                    .ToList();
+            }
+        }
+    }
+}

Src/NpgsqlBenchmark/NpgsqlBenchmark.csproj

@@ -5,6 +5,7 @@
 	</PropertyGroup>
 	<ItemGroup>
 		<PackageReference Include="BenchmarkDotNet" Version="0.13.5" />
+		<PackageReference Include="Dapper" Version="2.0.123" />
 		<PackageReference Include="Gedaq" Version="1.4.6.7" />
 		<PackageReference Include="Gedaq.DbConnection" Version="1.2.3" />
 		<PackageReference Include="Gedaq.Npgsql" Version="1.2.3" />

Src/NpgsqlBenchmark/Program.cs

@@ -12,8 +12,9 @@ internal class Program
         static void Main(string[] args)
         {
             //FillTestDatabase();
-            BenchmarkRunner.Run<QueryMap>();
-            BenchmarkRunner.Run<BinaryImportMap>();
+            BenchmarkRunner.Run<CompareDapper>();
+            //BenchmarkRunner.Run<QueryMap>();
+            //BenchmarkRunner.Run<BinaryImportMap>();
         }
 
         private static void FillTestDatabase()
@@ -141,7 +142,7 @@ FROM STDIN (FORMAT BINARY)
                 var millions = 0;
                 var millionsCounter = 0;
 
-                for (int i = 0; i < 1_000_000; i++)
+                for (int i = 0; i < 100_000; i++)
                 {
                     writer.StartRow();
                     writer.Write(i, NpgsqlTypes.NpgsqlDbType.Integer);