/// <summary>
/// Creates an unary NOT comparison
/// </summary>
/// <param name="clause"></param>
/// <returns></returns>
public static DBComparison Not(DBClause clause)
{
DBUnaryComparisonRef un = new DBUnaryComparisonRef();
un.UnaryOperator = UnaryOp.Not;
un.ToOperateOn = clause;
return(un);
}
//
// internal parameterless factory methods
//
#region internal static DBComparison Not()
internal static DBComparison Not()
{
DBUnaryComparisonRef un = new DBUnaryComparisonRef();
un.UnaryOperator = UnaryOp.Not;
un.ToOperateOn = null;
return(un);
}
/// <summary>
/// Creates an EXISTS comparison
/// </summary>
/// <param name="clause"></param>
/// <returns></returns>
public static DBComparison Exists(DBClause clause)
{
DBUnaryComparisonRef un = new DBUnaryComparisonRef();
un.UnaryOperator = Tech.Data.UnaryOp.Exists;
un.ToOperateOn = clause;
return(un);
}