Solved

How to fetch row set with JOINs in Zend Framework

Posted on 2008-06-20
6
2,406 Views
Last Modified: 2008-06-23
I have a php script that loops though a rowset.

I'm tying to figure out a way to use joins so that my rowset will contain more data.  My problem is that joins are not allowed.  

"You can not specify columns from a JOINed tabled to be returned in a row/rowset. Doing so will trigger a PHP error. This was done to ensure the integrity of the Zend_Db_Table is retained. i.e. A Zend_Db_Table_Row should only reference columns derived from its parent table. "

What method should I be using ?


IndexController.php
 
 

 public function showallAction()

    {

    	$this->view->title = "Showing All PSI Inventory";

	    

    	$items = new Items();

	   	$fields = '"public"."t_item_types"."name",

 		"public"."t_items"."id", "public"."t_items"."serial",

 		"public"."t_items"."nickname",

		 "public"."t_sites"."name" AS sitename, "public"."t_status"."name" AS statusname

	   	';

	   	$joins = 'INNER JOIN "public"."t_status" ON

	   	("public"."t_items"."status_id" = "public"."t_status"."id")

 		INNER JOIN "public"."t_sites" ON ("public"."t_items".

 		"site_id" = "public"."t_sites"."id") INNER JOIN

 		"public"."t_item_types" ON ("public"."t_items"."

 		type_id" = "public"."t_item_types"."id")' ;

 

    	$select = $items->select($fields);

	   	$select->join($joins);

		$this->view->items = $items->fetchAll($select);

		echo $fields;

		echo $joins;
 

    }
 
 
 

showall.phtml
 

<p><a>Displaying Short View</a></p>

<table>

<tr>

     <th>nickname</th>

     <th>serial</th>

     <th>&nbsp;</th>

</tr>

<?php foreach($this->items as $item) : ?>

<tr>

     <td><?php echo $this->escape($item->nickname);?></td>

     <td><?php echo $this->escape($item->serial);?></td>

     <td>

          <a href="<?php echo $this->url(array('controller'=>'index',

              'action'=>'edit', 'id'=>$item->id));?>">Edit</a>

          <a href="<?php echo $this->url(array('controller'=>'index',

              'action'=>'delete', 'id'=>$item->id));?>">Delete</a>

     </td>

</tr>

<?php endforeach; ?>

</table>
 
 

and my items.php file
 

require_once 'Zend/Db/Table/Abstract.php';
 

class Items extends Zend_Db_Table_Abstract  {

	/**

	 * Returns ShortView Data

	 */

	protected $_name = 't_items';

	

	

}

Open in new window

0
Comment
Question by:sean-keys
  • 3
  • 3
6 Comments
 
LVL 48

Accepted Solution

by:
hernst42 earned 500 total points
Comment Utility
Start here to read:
http://framework.zend.com/manual/en/zend.db.select.html#zend.db.select.building

You need a Zend_Db_Select class and not a Zend_Db_Table_Abstract class. Zend_Db_Table_Abstract implements the Active Record pattern which typical does not work with join on the database backend.
0
 

Author Comment

by:sean-keys
Comment Utility
Thanks for clearing that up.  I read about Select and came up with this

I get this error
Fatal error: Uncaught exception 'Zend_Db_Exception' with message 'Adapter name must be specified in a string' in

I think I have an error because $db isn't my current factory???


I have

// setup database
$db = Zend_Db::factory($config_db->db);

in my index.php
 public function showallAction()

    {

    	$this->view->title = "Showing All PSI Inventory";

	    

		$db = Zend_Db::factory();

		$select = new Zend_Db_Select($db);

		$select->from('t_items', array('id','serial','nickname'));

		$query = $db->query($select);

		$result = $query->fetchAll();

		echo $result;

Open in new window

0
 
LVL 48

Expert Comment

by:hernst42
Comment Utility
0
How to improve team productivity

Quip adds documents, spreadsheets, and tasklists to your Slack experience
- Elevate ideas to Quip docs
- Share Quip docs in Slack
- Get notified of changes to your docs
- Available on iOS/Android/Desktop/Web
- Online/Offline

 
LVL 48

Expert Comment

by:hernst42
Comment Utility
In your posted code it's only
$db = Zend_Db::factory();
without arguments. Sorry not realy sure with the Zend-Framework
0
 

Author Comment

by:sean-keys
Comment Utility
I already have a factory setup in my index.php  How can I reference it?  I think its something along the lines of $this or get>> ?
0
 

Author Comment

by:sean-keys
Comment Utility

// load configuration

$config_db = new Zend_Config_Ini('../application/default/config.ini', 'general');

$registry = Zend_Registry::getInstance();

$registry->set('config', $config_db);
 

// setup database

$db = Zend_Db::factory($config_db->db);

Zend_Db_Table::setDefaultAdapter($db);

Open in new window

0

Featured Post

Highfive + Dolby Voice = No More Audio Complaints!

Poor audio quality is one of the top reasons people don’t use video conferencing. Get the crispest, clearest audio powered by Dolby Voice in every meeting. Highfive and Dolby Voice deliver the best video conferencing and audio experience for every meeting and every room.

Join & Write a Comment

Introduction Many web sites contain image galleries; a common design for these galleries includes a page with a collection of thumbnail images.  You can click on each of the thumbnail images to see the larger version of the image.  This is easily i…
Part of the Global Positioning System A geocode (https://developers.google.com/maps/documentation/geocoding/) is the major subset of a GPS coordinate (http://en.wikipedia.org/wiki/Global_Positioning_System), the other parts being the altitude and t…
Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions. Consider email address RFCs: Look at HTML5 form input element (with type=email) regex pattern: T…
The viewer will learn how to count occurrences of each item in an array.

771 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

14 Experts available now in Live!

Get 1:1 Help Now