protected function _compile_conditions(Database $db, array $conditions)
{
foreach ($conditions as &$group) {
foreach ($group as &$condition) {
$condition[0] = Jam_Query_Builder::resolve_attribute_name($condition[0], $this->meta()->model(), $condition[2]);
}
}
return parent::_compile_conditions($db, $conditions);
}
/**
* Delete the current record:
*
* - If the record is loaded, it will be deleted using primary key(s).
* - If the record is not loaded, it will be deleted using all changed fields.
* - If no data has been changed, the delete will be ignored.
*
* @param object any Database_Query_Builder_Delete, NULL for none
* @return $this
*/
public function delete(Database_Query_Builder_Delete $query = NULL)
{
if ($query) {
$query->table($this->_table);
}
if ($this->loaded()) {
if (!$query) {
$query = DB::delete($this->_table);
}
if (is_array($this->_primary_key)) {
foreach ($this->_primary_key as $field) {
$query->where($this->_fields[$field]->column, '=', $this->_original[$field]);
}
} else {
$query->where($this->_fields[$this->_primary_key]->column, '=', $this->_original[$this->_primary_key]);
}
} elseif ($changed = $this->changed()) {
if (!$query) {
$query = DB::delete($this->_table);
}
foreach ($changed as $field => $value) {
$query->where($this->_fields[$field]->column, '=', $value);
}
}
if (isset($query) and $query->execute($this->_db)) {
// Reset all object data
$this->_changed = $this->_original = array();
foreach ($this->_fields as $name => $field) {
if ($field->in_db) {
// Repopulate the default values for the model
$this->_original[$name] = $field->value($field->default);
}
}
}
return $this;
}
