In this example in the order grid, I want to sort by increment_id, but this is a text fields and I want to sort it by numeric.

default sort : 1, 10, 100, 2, 3 …
numeric sort : 1, 2, 3, 10, 100 …

If you look the SQL request, you got this

SELECT `main_table`.* FROM `sales_flat_order_grid` AS `main_table` ORDER BY increment_id DESC LIMIT 20

To tell MySQL to sort this text column by numeric, you can add “+ 0″ to the ORDER BY clause, this will transform the text field into numeric field

SELECT `main_table`.* FROM `sales_flat_order_grid` AS `main_table` ORDER BY increment_id + 0 DESC LIMIT 20

Now, how to tell Magento to add “+ 0″ to this sort ?

Override your grid class and modify the “_setCollectionOrder($column)” function.

class Adin_Sales_Block_Adminhtml_Sales_Order_Grid extends Mage_Adminhtml_Block_Sales_Order_Grid {
    protected function _setCollectionOrder($column)
    {
        $collection = $this->getCollection();
        if ($collection) {
            $columnIndex = $column->getFilterIndex() ? $column->getFilterIndex() : $column->getIndex();
            if($columnIndex == 'increment_id')
            {
                $columnIndex = 'increment_id + 0';
            }
            $collection->setOrder($columnIndex, strtoupper($column->getDir()));
        }
        return $this;
    }
}

The post Magento custom sort on grid – sort increment_id by numeric not alpha appeared first on Agence de Développement Informatique du Nord.

One solution is to shuffle your collection of rows using php

      public function getRandom($max = 10,$site) {
        $results = $this->createQueryBuilder('u')
                ->where('u.site = :site')
                ->setParameter('site', $site)
                ->orderBy('u.sort', 'DESC')
                ->setMaxResults($max)
                ->getQuery()
                ->getResult();
        shuffle($results);
        return $results;
    }

In this solution, you retrieve the last 10 rows and shuffle them after. Peformances are not too bad but you will always retrieves the same last rows from your table.

Another solution is to use the array_rand php fonction

      public function getRandom($site) {
        $results = $this->createQueryBuilder('u')
                ->where('u.site = :site')
                ->setParameter('site', $site)
                ->orderBy('u.sort', 'DESC')
                ->getQuery()
                ->getResult();
        $result2 = array_rand($results);
        return $result2;
    }

In this case you fetch all rows from your table, this could be slow and memory consuming…

If you need to retrieve only one row, you can use somethinfg like this

 public function getOneRandom()
{
$em = $this->getEntityManager();
$max = $em->createQuery('
SELECT MAX(q.id) FROM questions q
')
->getSingleScalarResult();
return $em->createQuery('
SELECT q FROM questions q
WHERE q.id >= :random
ORDER BY q.id ASC
')
->setParameter('random',rand(0,$max))
->setMaxResults(1)
->getSingleResult();
}

This solution can only be used if you want to retrieve any of the tables rows, if you add a filtrer you may return an empty result.

This solution is not dirty it just use 2 queries instead of one. the tips is to use the offset. And you can use a filter !!!

$qCount = Doctrine::getTable('Questions')
     ->createQuery()
     ->select('count(*)')
     ->where('site = :site')
     ->setParameter('site', $site)
     ->fetchOne(array(), Doctrine::HYDRATE_NONE);
$question = Doctrine::getTable('Questions')
     ->createQuery()
     ->select('*')
     ->where('site = :site')
     ->setParameter('site', $site)
     ->limit(1)
     ->offset(rand(0, $qCount[0] - 1))
     ->fetchOne();

And you still can use native queries : http://docs.doctrine-project.org/en/latest/reference/native-sql.html

The post doctrine2 random appeared first on Agence de Développement Informatique du Nord.

SELECT * FROM product WHERE product_id IN (4, 2, 8, 9, 5) ORDER BY FIELD(product_id,4, 2, 8, 9, 5)

The post MySQL custom sort appeared first on Agence de Développement Informatique du Nord.

INSERT INTO test (firstname, lastname, skill)
      VALUES
      ('Alan', 'Cox', 98),
      ('Robert', 'Love', 85),
      ('Linus', 'Torvalds', 24),
      ('Rusty', 'Russell', 79)
ON DUPLICATE KEY UPDATE
     skill = VALUES(skill);

In this example, if the key is composed by firstname and lastname, when a duplicate key is detected, only the skill will be updated

You could find more informations on this statement here

The post Mysql INSERT … ON DUPLICATE KEY UPDATE appeared first on Agence de Développement Informatique du Nord.

Add or edit this variable

$cfg['LoginCookieValidity'] = 36000; //In seconds 

The config.inc.php file is in your /etc/phpmyadmin/ folder on debian.

Some other options:

$cfg['MaxRows'] = 100; //change the number of line displayed by default
$cfg['AjaxEnable'] = false;  //enable or disable ajax 
$cfg['NavigationBarIconic'] = true;   //enable or diasable navigation icons
$cfg['PropertiesIconic'] = true;      //enable or disable properties icons

The post phpMyAdmin change timeout & other customizations appeared first on Agence de Développement Informatique du Nord.

SELECT cotisation.date_creation
FROM cotisation
WHERE cotisation.code_suppression =0
INTO OUTFILE '/home/transfert/cotisations_201212.csv'
FIELDS TERMINATED BY ','
ENCLOSED BY "'"
LINES TERMINATED BY '\n'

The post Save MySQL query results into a file appeared first on Agence de Développement Informatique du Nord.