我试图做两个单独的数据库quires并将结果返回给窗体。每个结果都写入一个表中。结合两个单独的MySQL查询的结果
我希望能够将两个查询合并为一个,并按任务编号排序结果。
第一个查询:
//Booking
$Date= date("d/m/Y");
$driver = $_SESSION['username'];
$dbTaskRecords = "SELECT * FROM booking WHERE driver='$driver' AND Date= CAST('$Date_search' AS DATE) ORDER BY TaskNo ASC";
$dbTaskRecords_result = mysql_query($dbTaskRecords);
第二个查询:
//Return Booking
$dbTaskReturn = "SELECT * FROM returnbooking WHERE driver='$driver' AND Date= CAST('$Date_search' AS DATE) ORDER BY TaskNo ASC";
$dbTaskReturn_result = mysql_query($dbTaskReturn);
结果然后通过while语句输出到页。
$i=0;
while ($row = mysql_fetch_array($dbTaskRecords_result)){
//Control Structure for Move Time on first Job of day
if ($i==0){
$time = $row["Time"];
//$time = 'N/A';
}else{
$time = 'N/A';
}
//Get Rego from trucks table
$truckID = $row["TruckID"];
$Rego_select = mysql_query("SELECT VechicleRegistration FROM trucks WHERE TruckID = '$truckID'")
or die("Problem reading table: " . mysql_error());
$Rego = mysql_result($Rego_select,0);
//Get unregisted from trucks table
$Unregisted_select = mysql_query("SELECT Unregistered FROM trucks WHERE TruckID = '$truckID'")
or die("Problem reading table: " . mysql_error());
$Unregisted = mysql_result($Unregisted_select,0);
$id_note = $row["BookingID"];
echo '<td><a href="taskpage.php?id='.$id_note.'"><button>'. $row['TaskNo']."</button><a/></td>";
echo "<td>". $time . "</td>"; // Time Frame
echo "<td>". $Unregisted."</td>"; // Pickup
echo "<td>". $Rego."</td>"; // Unregisted
echo "<td>".$row["PickupLocation"] . "</td>"; // Rego
echo "<td>".$row["DropOffLocation"] . "</td></tr>"; // Delivery
$i=$i+1;//Control Set
}
echo'</tr>';
我重复这个相同的输出代码,从返回预订的结果。
是否可以将两个查询合并为一个,以便两个表中的结果集可以由ASC进行排序并由上述while语句输出。
干杯。我不确定如何将结果输入变量。我试过$ time = mysql_result($ dbTaskRecords,0);但那不起作用。 – 2011-05-05 10:33:50
@Samuel Meddows - 您应该可以像访问单个select语句时那样访问列。 – Thomas 2011-05-05 15:11:11
如果两个子查询都在同一个表上,那么使用SELECT *没什么问题......是吗? – Rooster242 2014-03-20 20:53:42