1
public function getWorksheetData($id) {
/** create the following query using select object:
SELECT wc.label, wd.notes FROM worksheet_data wd
LEFT JOIN worksheet_columns wc ON wd.column_id = wc.id;
*/
$id = (int) $id;
$select = $this->_db->select()
->from(array('wd'=>'worksheet_data'),
array('wc.label','wd.notes'))
->join(array('wc'=>'worksheet_columns','wd.column_id = wc.id'))
->where("wd.id = :worksheet_id");
$results = $this->_db->fetchAll($select, array('worksheet_id' => $id),Zend_Db::FETCH_ASSOC);
return array('results'=>$results);
爲什麼這個查詢變爲:
選擇wc
。 label
,wd
。 。notes
,wc
* FROM worksheet_data
AS wd
INNER JOIN worksheet_columns
AS wc
WHERE(wd.id =:worksheet_id)
,並返回廁所。*?
感謝。該手冊還稱joinInner(表,連接,[列])方法。方括號是不是表示可選? – codecowboy 2009-08-16 08:20:15
@codecowboy - 是的是的話,我已經添加了方法簽名我的答案。 – karim79 2009-08-16 08:21:56