/**
* Find column
* @param string $column column name
* @param mixed $condition
* @param array $params
* @return array column values
*/
public function findColumn($column, $condition = '', $params = array())
{
$criteria = $this->owner->getCommandBuilder()->createCriteria($condition, $params);
$criteria->select = $column;
$this->owner->applyScopes($criteria);
$command = $this->owner->getCommandBuilder()->createFindCommand($this->owner->getTableSchema(), $criteria);
if (empty($criteria->with)) {
return $command->queryColumn();
} else {
$finder = new CActiveFinder($this->owner, $criteria->with);
$results = $finder->query($criteria, true);
$data = array();
foreach ($results as $result) {
$data[] = $result[$column];
}
return $data;
}
}
protected function query($criteria, $all = false)
{
$this->beforeFind();
$this->applyScopes($criteria);
if (empty($criteria->with)) {
if (!$all) {
$criteria->limit = 1;
}
$command = $this->getCommandBuilder()->createFindCommand($this->getTableSchema(), $criteria);
return $all ? $this->populateRecords($command->queryAll(), true, $criteria->index) : $this->populateRecord($command->queryRow());
} else {
$finder = new CActiveFinder($this, $criteria->with);
return $finder->query($criteria, $all);
}
}