/// <summary>
/// Returns true if <paramref name="a"/> and <paramref name="b"/> are equal.
/// </summary>
/// <param name="a">The first object</param>
/// <param name="b">The second object</param>
/// <returns>true if <paramref name="a"/> and <paramref name="b"/> are equal.</returns>
public static bool AreEqual(ColumnSet a, ColumnSet b)
{
if (a == null && b == null)
{
return(true);
}
if (a != null || b != null)
{
return(false);
}
if (a.Equals(b))
{
return(true);
}
if (a.AllColumns != b.AllColumns)
{
return(false);
}
if (a.Columns == null && b.Columns != null)
{
return(false);
}
if (a.Columns != null && b.Columns == null)
{
return(false);
}
if (a.Columns.Count != b.Columns.Count)
{
return(false);
}
for (var i = 0; i < a.Columns.Count; i++)
{
if (!string.Equals(a.Columns[i], b.Columns[i]))
{
return(false);
}
}
return(true);
}