//protected FromItem clone()
//{
// FromItem f = new FromItem();
// f._alias = _alias;
// f._join = _join;
// f._table = _table;
// f._expression = _expression;
// if (_subQuery != null)
// {
// f._subQuery = _subQuery.clone();
// }
// if (_leftOn != null && _leftSide != null && _rightOn != null && _rightSide != null)
// {
// f._leftSide = _leftSide.clone();
// f._leftOn = _leftOn.clone();
// f._rightSide = _rightSide.clone();
// f._rightOn = _rightOn.clone();
// }
// return f;
//} // clone()
protected override void decorateIdentity(CsList <Object> identifiers)
{
identifiers.add(_table);
identifiers.add(_alias);
identifiers.add(_subQuery);
identifiers.add(_join);
identifiers.add(_leftSide);
identifiers.add(_rightSide);
identifiers.add(_leftOn);
identifiers.add(_rightOn);
identifiers.add(_expression);
} // decorateIdentity()
} // constructor
/**
* Subclasses should implement this method and add all fields to the list
* that are to be included in equals(...) and hashCode() evaluation
*
* @param identifiers
*/
protected override void decorateIdentity(CsList <Object> identifiers)
{
identifiers.add(_expression);
identifiers.add(_alias);
identifiers.add(_column);
identifiers.add(_function);
identifiers.add(_functionApproximationAllowed);
if (_fromItem == null && _column != null && _column.getTable() != null)
{
// add a FromItem representing the column's table - this makes equal
// comparison work when the only difference is whether or not
// FromItem is specified
identifiers.add(new FromItem(_column.getTable()));
}
else
{
identifiers.add(_fromItem);
}
identifiers.add(_subQuerySelectItem);
} // decorateIdentity()
