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

test/Npgsql.Benchmarks/ResolveHandler.cs

42 строки1 KB

Nino Floris

Move all reloadable state into one reference (#6303)

11 ноя 2025, 23:13

11 ноя 2025, 23:13dcbb5c2

using BenchmarkDotNet.Attributes;
using Npgsql.Internal;
using Npgsql.Internal.Postgres;

namespace Npgsql.Benchmarks;

[MemoryDiagnoser]
public class ResolveHandler
{
    NpgsqlDataSource? _dataSource;
    PgSerializerOptions _serializerOptions = null!;

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

    [GlobalSetup]
    public void Setup()
    {
        var dataSourceBuilder = new NpgsqlDataSourceBuilder();
        if (NumPlugins > 0)
            dataSourceBuilder.UseNodaTime();
        if (NumPlugins > 1)
            dataSourceBuilder.UseNetTopologySuite();
        _dataSource = dataSourceBuilder.Build();
        _serializerOptions = _dataSource.CurrentReloadableState.SerializerOptions;
    }

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

    [Benchmark]
    public PgTypeInfo? ResolveDefault()
        => _serializerOptions.GetTypeInfoInternal(null, new Oid(23)); // int4

    [Benchmark]
    public PgTypeInfo? ResolveType()
        => _serializerOptions.GetTypeInfoInternal(typeof(int), null);

    [Benchmark]
    public PgTypeInfo? ResolveBoth()
        => _serializerOptions.GetTypeInfoInternal(typeof(int), new Oid(23)); // int4
}