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Help with inner join query

Thread began 8/12/2010 4:34 am by iainmacdonald331081 | Last modified 8/13/2010 3:40 am by iainmacdonald331081 | 3369 views | 16 replies


Help with inner join query

This is probably slightly beyond DA's functionality, but thought I'd ask here anyway, as you guys have been great with support in the past, and hopefully isn't that complicated for the experts!

Basically I have the following table structure :

table : packages


table : destinations


table : packagedestinations

destinationID nothing that complicated.

So the idea is that I can have a package details page which shows the details of the package, along any destinations linked to that package via the packagedestinations table.

So this is the last part really - to get the page to display the destinations, but I'm missing something along the way, as I can't get the destinations to display on the page here :


This is the PHP from the header, including my INNER JOIN query....


if (isset(
$_GET['packageID'])) { 
$ParampackageID_WADApackages = (get_magic_quotes_gpc()) ? $_GET['packageID'] : addslashes($_GET['packageID']); 

$ParamSessionpackageID_WADApackages "-1"
if (isset(
$_SESSION['WADA_Insert_packages'])) { 
$ParamSessionpackageID_WADApackages = (get_magic_quotes_gpc()) ? $_SESSION['WADA_Insert_packages'] : addslashes($_SESSION['WADA_Insert_packages']); 

$ParampackageID2_WADApackages "-1"
if (isset(
$_GET['packageID'])) { 
$ParampackageID2_WADApackages = (get_magic_quotes_gpc()) ? $_GET['packageID'] : addslashes($_GET['packageID']); 

$query_WADApackages sprintf("SELECT packageID, package, costperpax, duration, baselocation, category, dateadded, agerange, hotel, educational_tours, field_trips, corporate_outings, plant_visits, budget_package, rollingtours, teambuilding, description, offer FROM packages WHERE packageID = %s OR ( -1= %s AND packageID= %s)"GetSQLValueString($ParampackageID_WADApackages"int"),GetSQLValueString($ParampackageID2_WADApackages"int"),GetSQLValueString($ParamSessionpackageID_WADApackages"int")); 
$WADApackages mysql_query($query_WADApackages$connPackages) or die(mysql_error()); 
$row_WADApackages mysql_fetch_assoc($WADApackages); 
$totalRows_WADApackages mysql_num_rows($WADApackages); 

$colname_educationalDestinations "1"
if (isset(
$_GET['PackageID'])) { 
$colname_educationalDestinations = (get_magic_quotes_gpc()) ? packageID addslashes(packageID); 

$query_educationalDestinations sprintf("SELECT * FROM destinations INNER JOIN (packages INNER JOIN packagedestinations ON packages.packageID = packagedestinations.packageID) ON destinations.destinationID = packagedestinations.destinationID WHERE packages.packageID = %s ORDER BY destination ASC"GetSQLValueString($colname_educationalDestinations"int")); 
$educationalDestinations mysql_query($query_educationalDestinations$connPackages) or die(mysql_error()); 
$row_educationalDestinations mysql_fetch_assoc($educationalDestinations); 
$totalRows_educationalDestinations mysql_num_rows($educationalDestinations); 

And where I'm trying to display the destinations themselves, I have :

<td>Destinations :</td>
<?php do { ?>
<td><?php echo $row_educationalDestinations['destination']; ?></td>
<?php } while ($row_educationalDestinations = mysql_fetch_assoc($educationalDestinations)); ?>

If anyone could have a quick look and help me out that would be much appreciated - not sure if its my SQL at the top, or the PHP in the page, but either way it would be good to get it working.


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