public function __get($name)
{
if (in_array($name, $this->_model->getExprColumns())) {
if (!array_key_exists($name, $this->_exprValues)) {
$this->_exprValues[$name] = $this->_model->getExprValue($this, $name);
}
return $this->_exprValues[$name];
}
foreach ($this->_getSiblingRows() as $r) {
if ($r->hasColumn($name)) {
return $r->{$name};
}
}
throw new Kwf_Exception("Invalid column '{$name}' for model '" . get_class($this->getModel()) . "'");
}
public function getExprValue($row, $name)
{
if ($name instanceof Kwf_Model_Select_Expr_Interface) {
$expr = $name;
} else {
$expr = $this->_exprs[$name];
}
if ($expr instanceof Kwf_Model_Select_Expr_Sql) {
$select = $this->select();
$select->whereEquals($this->getPrimaryKey(), $row->{$this->getPrimaryKey()});
$select->limit(1);
$options = array('columns' => array($name));
$dbSelect = $this->_createDbSelectWithColumns($select, $options);
return $dbSelect->query()->fetchColumn();
}
return parent::getExprValue($row, $name);
}
