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SELECT, UPDATE! How can I avoid loop in query?


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  #1  
Old June 7th, 2012, 07:26 PM
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SELECT, UPDATE! How can I avoid loop in query?
Hello;

How can I avoic this loop and do everything with 1 query?

Thanks

PHP Code:
 $sql = "SELECT 
packages.suppiler_id,
hotels.beta_supplier,
packages.id AS PID
FROM 
packages
INNER JOIN hotels ON hotels.hotel_id = packages.hotel_id
WHERE suppiler_id =:suppiler_id
";
$args = array('suppiler_id'=>0);
$data = DB::Load()->Execute($sql,$args)->returnArray();
foreach($data as $val =>$row)
    {
        $sql_update = "UPDATE packages SET suppiler_id=:suppiler_id WHERE id=:id";
        $args_update = array('suppiler_id'=>$row['beta_supplier'], 'id'=>$row['PID']);
        $d = DB::Load()->Execute($sql_update,$args_update);
    } 
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  #2  
Old June 7th, 2012, 07:30 PM
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You can use JOINs in UPDATE queries...
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  #3  
Old June 7th, 2012, 08:07 PM
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What's a 'suppiler'?
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Old June 7th, 2012, 08:14 PM
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E.g:
Code:
UPDATE packages p
  JOIN hotels h
    ON h.hotel_id = p.hotel_id 
    SET p.supplier_id=h.supplier_id
WHERE p.id=:id


or something like that.
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