/**
* Load changelog by metadata
*
* @param null|int $currentVersion
* @return array
*/
public function loadByMetadata($currentVersion = null)
{
$select = $this->_connection->select()->from(array('changelog' => $this->_metadata->getChangelogName()), array())->where('version_id >= ?', $this->_metadata->getVersionId())->columns(array($this->_metadata->getKeyColumn()));
if ($currentVersion) {
$select->where('version_id < ?', $currentVersion);
}
return $this->_connection->fetchCol($select);
}
