public TableBuilder addColumn(ColumnBuilder column){
  if (_escapeIdentifiers) {
    column.escapeName();
  }
  _columns.add(column);
  return this;
}

public TableBuilder addColumn ( ColumnBuilder column ) { if ( _escapeIdentifiers ) { column . escapeName ( ) ; } _columns . add ( column ) ; return this ; }
adds a column to the new table .
