Re: Mysql PDO statement with params in HAVING problem

On 6/27/2013 7:51 AM, Alexander Pletnev wrote:
> Hi everyone, im new here, so please correct me if i created or formated
> topic incorrectly.
>
> I found a problem. I have a simple query for my needs:
>
>      $stmt = $dbh->prepare("SELECT concat(first_name,' ',last_name) as
>      full_name,t.* FROM `specialists` `t` HAVING full_name like '%john%'");
>      $stmt->execute();
>      while($row = $stmt->fetch())
>      {
>         echo '<pre>'; var_dump($row); echo '</pre>';
>      }
>
> It works fine, until i add a param to my query:
>
>      $stmt = $dbh->prepare("SELECT concat(first_name,' ',last_name) as
>      full_name,t.* FROM `specialists` `t` HAVING full_name like '%:query%'");
>      $stmt->execute();
>      $query = 'londo';
>      $stmt->bindParam(':query',$query);
>      while($row = $stmt->fetch())
>      {
>         echo '<pre>'; var_dump($row); echo '</pre>';
>      }
>
> Now there is nothing in fetch(). Is it a bug ?
>
> Thanks.
>
First - you prepare the query
Second - you create and 'bind' the parameters to it
Third - you execute the now completed query
Fourth - you process the results.

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