internal NpgsqlDate Add(NpgsqlTimeSpan interval, int carriedOverflow)
{
switch (_type)
{
case InternalType.Infinity:
return(Infinity);
case InternalType.NegativeInfinity:
return(NegativeInfinity);
case InternalType.Finite:
break;
default:
throw new InvalidOperationException($"Internal Npgsql bug: unexpected value {_type} of enum {nameof(NpgsqlDate)}.{nameof(InternalType)}. Please file a bug.");
}
return(AddMonths(interval.Months).AddDays(interval.Days + carriedOverflow));
}
public NpgsqlDateTime Subtract(NpgsqlTimeSpan interval)
{
return(Add(-interval));
}
/// <summary>
/// Returns a new <see cref="NpgsqlDateTime"/> that adds the value of the specified TimeSpan to the value of this instance.
/// </summary>
/// <param name="value">A positive or negative time interval.</param>
/// <returns>An object whose value is the sum of the date and time represented by this instance and the time interval represented by value.</returns>
public NpgsqlDateTime Add(NpgsqlTimeSpan value)
{
return(AddTicks(value.Ticks));
}
public NpgsqlDate Subtract(NpgsqlTimeSpan interval) => Add(-interval);
