我有這樣的代碼(沒有WHERE,工作)我如何得到它與WHERE子句一起工作?Where子句停止工作
我只需要它只列出當前和最大2年前的行。
$SQL = "SELECT ";
$SQL .= "SUM(Bookings.Spots) as SUMSPOT, Trips.ID, Bookings.FK_ID, Trips.MaxSpots, ";
$SQL .= "Trips.Tripnr, Trips.StartDate, Trips.EndDate, Trips.StartLocation, ";
$SQL .= "Trips.DestinationDK, Trips.PricePerSpot ";
$SQL .= "FROM Trips WHERE Trips.EndDate >= NOW() AND Trips.EndDate < DATE_ADD(NOW(), INTERVAL 2 YEAR) ";
$SQL .= "LEFT JOIN Bookings on Bookings.FK_ID = Trips.ID ";
$SQL .= "GROUP BY Trips.ID, Bookings.FK_ID ORDER BY Trips.StartDate ASC ";
那你試試到目前爲止組之前添加此? – slick
你有沒有收到任何錯誤訊息?如果是的話:看看他們,閱讀他們,理解他們。 –
缺少ON子句。 – jarlh