﻿using System;

namespace FlitBit.Data
{
	/// <summary>
	/// Length requirements for a DbType
	/// </summary>
	[Flags]
	public enum DbTypeLengthRequirements
	{
		/// <summary>
		/// Indicates there are no requirements.
		/// </summary>
		None = 0,
		/// <summary>
		/// Indicates that a length is required.
		/// </summary>
		Length = 1,
		/// <summary>
		/// Indicates that a precision is required.
		/// </summary>
		Precision = 1 << 1,
		/// <summary>
		/// Indicates that a scale is required.
		/// </summary>
		Scale = 1 << 2,
		/// <summary>
		/// Indicates that a scale is optional.
		/// </summary>
		OptionalScale = Scale | 1 << 3,
		/// <summary>
		/// Mask of all length related flags; used by the framework to prune 
		/// extended (smuggled) values that may be contributed by overrides.
		/// </summary>
		LengthSpecifierMask = Length | Precision | OptionalScale,
	}
}