Question

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How do I add a limit to update-query in Zend Framework?

I would like to do a update and place LIMIT 1 as precaution.
Here is my code:

$vals = array();
$vals['status'] = 'closed';
$where = $write->quoteInto('id =?', $orderID);

$write->update("order", $vals ,$where);

Where can i add a LIMIT into this query?

(looks like has been asked in the past but i hope someone out there has the answer)

Answer 1

It looks like you’re using Zend_Db_Adapter to perform your queries so I’m not sure you can do what I do, anyway here goes.
I usually use the Zend_Db_Table_Row save() method to insert and update records, however I also use the DbTable models to provide access to the Table and Table_Row abstract api’s.

public function save(Music_Model_Artist $artist) {
        //if id is not null
        if (!is_null($artist->id)) {
            //find row, uses fetchRow() so will return NULL if not found
            $row = $this->findById($artist->id);
            $row->id = $artist->id;
        } else {
            //if ID is null create new row
            $row = $this->_getGateway()->createRow();
        }
        //assign data to row
        $row->name = $artist->name;
        //save new row or update
        $row->save();
        //return the row, in case I need it for something else
        return $row;
    }

what this amounts to is that if I include and ID in the data array (or in this case an entity object) the row will be updated and if there is no ID in the object a new row will be created.

If your curious here’s how I __construct the class:

public function __construct(Zend_Db_Table_Abstract $tableGateway = NULL) {
        //pass in concrete DbTable Model, parent alts to using table name string to construct class
        $this->_tableGateway = new Application_Model_DbTable_Artist();
        parent::__construct($tableGateway);
    }

Hope this provides some help.