/**
* Gather expansion tables.
*
* @return array The tables.
*/
public function getExpansionTables()
{
return nl_getRecordExpansions();
}
/**
* Delete all records that belong to the exhibit.
*/
public function deleteChildRecords()
{
// Get records table and name.
$recordsTable = $this->getTable('NeatlineRecord');
$rName = $recordsTable->getTableName();
// Gather record expansion tables.
foreach (nl_getRecordExpansions() as $expansion) {
$eName = $expansion->getTableName();
// Delete expansion rows on child records.
$this->_db->query("DELETE {$eName} FROM {$eName}\n INNER JOIN {$rName} ON {$eName}.parent_id = {$rName}.id\n WHERE {$rName}.exhibit_id = {$this->id}\n ");
}
// Delete child records.
$recordsTable->delete($rName, array('exhibit_id=?' => $this->id));
}