Trying to add email address into the grid in sales but once added can't search by order number. Throwing error:

SQLSTATE[23000]: Integrity constraint violation: 1052 Column 'increment_id' in where clause is ambiguous, query was: SELECT COUNT(*) FROM sales_flat_order_grid AS main_table INNER JOIN customer_entity ON main_table.customer_id = customer_entity.entity_id WHERE (increment_id LIKE '%0013%')

my code:

protected function _prepareCollection()
    $customer_entity = Mage::getSingleton('core/resource')->getTableName('customer_entity');
    $collection = Mage::getResourceModel($this->_getCollectionClass());

           'main_table.customer_id = '.$customer_entity.'.entity_id', array('customer_email' => 'email'));
    return parent::_prepareCollection();

and field definition:

        $this->addColumn('customer_email', array(
        'header'    => Mage::helper('Sales')->__('Email'),
        'width'     => '100px',
        'index'     => 'customer_email',
        'type'        => 'text',


what to do to make it work ? To display email I can just add a column but then while I'm trying to search by email magento throwing an error:

SQLSTATE[42S22]: Column not found: 1054 Unknown column 'customer_email' in 'where clause', query was: SELECT COUNT(*) FROM sales_flat_order_grid AS main_table WHERE (customer_email LIKE '%custom%')


First of all, you need to get the customer email by performing a join with sales_flat_order table. Your _prepareCollection() function will be:

protected function _prepareCollection()
        $collection = Mage::getResourceModel($this->_getCollectionClass());
           'ordersTable.entity_id = main_table.entity_id',
        return parent::_prepareCollection();

In _prepareColumns() you'll need to add:

$this->addColumn('customer_email', array(
            'header' => $this->helper('sales')->__('Email'),
            'index' => 'customer_email',
            'filter_index' => 'ordersTable.customer_email',

Now, to fix the search issue on order number, you'll need to add 'filter_index' on 'order number' column. The issue is happening because there is duplicate increment_id column. Here is the code:

$this->addColumn('real_order_id', array(
            'header'=> Mage::helper('sales')->__('Order #'),
            'width' => '80px',
            'type'  => 'text',
            'index' => 'increment_id',
  • Already sorted but thank you Alex ;) – Rob D. A. Jun 28 '17 at 21:35
  • The only problem I've had was "ambiguous" but ... I found how to fix it ;) Also I found other solution, creating additional renderer but it was just overcomplicated :) – Rob D. A. Jun 28 '17 at 21:37
  • Glad to hear that, good luck ! – Alex Constantinescu Jun 28 '17 at 21:38

To avoid "ambiguous"

filter_index' => 'main_table.grand_total

is required. Problem solved.

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