dev-npgsql/npgsql: Npgsql is the .NET data provider for PostgreSQL.

test/Npgsql.Benchmarks/ResolveHandler.cs

52 строки1 KB

Shay Rojansky

Apply file-scoped namespaces for 6.0 (#4298)

28 янв 2022, 15:13

28 янв 2022, 15:132e0ad2d

using BenchmarkDotNet.Attributes;
using Npgsql.Internal.TypeHandling;
using Npgsql.TypeMapping;
using NpgsqlTypes;

namespace Npgsql.Benchmarks;

[MemoryDiagnoser]
public class ResolveHandler
{
    NpgsqlConnection _conn = null!;
    ConnectorTypeMapper _typeMapper = null!;

    [Params(0, 1, 2)]
    public int NumPlugins { get; set; }

    [GlobalSetup]
    public void Setup()
    {
        _conn = BenchmarkEnvironment.OpenConnection();
        _typeMapper = (ConnectorTypeMapper)_conn.TypeMapper;

        if (NumPlugins > 0)
            _typeMapper.UseNodaTime();
        if (NumPlugins > 1)
            _typeMapper.UseNetTopologySuite();
    }

    [GlobalCleanup]
    public void Cleanup() => _conn.Dispose();

    [Benchmark]
    public NpgsqlTypeHandler ResolveOID()
        => _typeMapper.ResolveByOID(23); // int4

    [Benchmark]
    public NpgsqlTypeHandler ResolveNpgsqlDbType()
        => _typeMapper.ResolveByNpgsqlDbType(NpgsqlDbType.Integer);

    [Benchmark]
    public NpgsqlTypeHandler ResolveDataTypeName()
        => _typeMapper.ResolveByDataTypeName("integer");

    [Benchmark]
    public NpgsqlTypeHandler ResolveClrTypeNonGeneric()
        => _typeMapper.ResolveByValue((object)8);

    [Benchmark]
    public NpgsqlTypeHandler ResolveClrTypeGeneric()
        => _typeMapper.ResolveByValue(8);

}