private string GetColumnType(TypeUsage type)
{
string t = type.EdmType.Name;
if (t.StartsWith("u", StringComparison.OrdinalIgnoreCase))
{
t = t.Substring(1).ToUpperInvariant() + " UNSIGNED";
}
else if (String.Compare(t, "guid", true) == 0)
return "CHAR(36) BINARY";
return t;
}