function Dataface_ViewRecord($viewname, $values = null)
{
if (is_a($viewname, 'Dataface_View')) {
$this->view =& $viewname;
} else {
$this->view =& Dataface_View::loadView($viewname);
}
if (isset($values)) {
$this->setValues($values);
}
}
/**
* Guesses the name of the table from where the given field comes.
*/
function guessColumnTableName($fieldname)
{
if (isset($this->_cache[__FUNCTION__][$fieldname])) {
return $this->_cache[__FUNCTION__][$fieldname];
}
$data = $this->_parseSQL();
$this->_expandGlobs($data);
$numTables = count($data['tables']);
for ($i = $numTables - 1; $i >= 0; $i--) {
$curr = $data['tables'][$i];
if ($curr['type'] == 'ident') {
// This table is an actual table -- not a subselect
$table =& Dataface_Table::loadTable($curr['value']);
if ($table->hasField($fieldname)) {
if (@$curr['alias']) {
return $curr['alias'];
} else {
return $curr['value'];
}
}
unset($table);
} else {
if ($curr['type'] == 'subselect') {
// The table is a subselect
$subview = new Dataface_View($curr['value'], $curr['value']);
$field = $subview->getField($fieldname);
if (isset($field)) {
return $curr['value'];
}
unset($subview);
unset($field);
} else {
trigger_error('Unspecified table type');
}
}
}
}