using System.Data.Common;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.EntityFrameworkCore.Diagnostics;
public sealed class ReadCounter : DbCommandInterceptor
{
    public int Reads { get; private set; }
    public void Reset() => Reads = 0;
    public override InterceptionResult<DbDataReader> ReaderExecuting(DbCommand command, CommandEventData eventData, InterceptionResult<DbDataReader> result) { Reads++; return result; }
    public override ValueTask<InterceptionResult<DbDataReader>> ReaderExecutingAsync(DbCommand command, CommandEventData eventData, InterceptionResult<DbDataReader> result, CancellationToken cancellationToken = default) { Reads++; return ValueTask.FromResult(result); }
}