ef core log

public class xxxContext : DbContext
      public static readonly ILoggerFactory MyLoggerFactory
              = LoggerFactory.Create(builder =>
              {
                  builder
                      .AddFilter((category, level) =>
                          category == DbLoggerCategory.Database.Command.Name
                          && level == LogLevel.Information)
                     .AddDebug();
              });
   protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
        {
            optionsBuilder.UseLoggerFactory(MyLoggerFactory);
        }