protected function _set($key, $data, $group, $tenant_id, $expires = null)
{
if (empty($expires)) {
$expires = $this->default_expires;
}
$data = $this->_serialize(array('data' => $data, 'expires' => time() + intval($expires)));
$this->_delete($key, $group, $tenant_id);
$r = $this->_db->insert($this->_table, array($this->_table . '.key' => $key, $this->_table . '.group' => $group, $this->_table . '.value' => $data, $this->_table . '.tenant_id' => $tenant_id));
return $this->_db->affected_rows() > 0;
}
/**
* The actual function used for updating or interting a record
*
* @return bool
*/
private final function _save_row()
{
//First run validation, and bail out if it fails
if ($this->validate() == FALSE) {
return FALSE;
}
$this->_set_row();
if ($this->_isnew) {
$this->db->insert($this->_table());
$this->_data[$this->_id()] = $this->db->insert_id();
$Return = $this->id() != NULL;
if ($Return == true) {
$this->_isnew = false;
$Record = new stdClass();
foreach ($this->_data as $K => $V) {
$Record->{$K} = $V;
}
$this->_original_record = $Record;
}
return $Return;
} else {
$this->db->where($this->_id(), $this->id());
$this->db->update($this->_forged_join());
//Just in case a join has been forged
$this->_clear_forged_join();
if ($this->_record_is_changed()) {
return $this->db->affected_rows() > 0;
}
return true;
}
}
/**
* 插入数据
* @param array $set 数据集合(key/value)
* @return int $insert_id 如果插入的表有自动增长主键，则返回增长后的值，否则返回影响记录条数
*/
public function insert(array $set)
{
$this->db->insert($this->_name, $set);
$insert_id = $this->db->insert_id();
if ($insert_id <= 0) {
return $this->db->affected_rows();
} else {
return $insert_id;
}
}
