Mage_Install_Model_Installer_Db Class Reference

Inheritance diagram for Mage_Install_Model_Installer_Db:

List of all members.

Public Member Functions
	checkDatabase ($data)
Protected Member Functions
	_getConnenctionType ()

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Detailed Description

Definition at line 34 of file Db.php.

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Member Function Documentation

_getConnenctionType

(

)

[protected]

Retrieve Connection Type

Returns:

string

Definition at line 89 of file Db.php.

    {
        return (string) Mage::getConfig()->getNode('global/resources/default_setup/connection/type');
    }

checkDatabase

(

$

data

)

Check database connection

$data = array( [db_host] [db_name] [db_user] [db_pass] )

Parameters:

array

$data

Definition at line 48 of file Db.php.

    {
        $config = array(
            'host'      => $data['db_host'],
            'username'  => $data['db_user'],
            'password'  => $data['db_pass'],
            'dbname'    => $data['db_name']
        );

        try {
            $connection = Mage::getSingleton('core/resource')->createConnection('install', $this->_getConnenctionType(), $config);
            $variables  = $connection->fetchPairs("SHOW VARIABLES");

            $version = isset($variables['version']) ? $variables['version'] : 'undefined';
            $match = array();
            if (preg_match("#^([0-9\.]+)#", $version, $match)) {
                $version = $match[0];
            }
            $requiredVersion = (string)Mage::getSingleton('install/config')->getNode('check/mysql/version');

            // check MySQL Server version
            if (version_compare($version, $requiredVersion) == -1) {
                Mage::throwException(Mage::helper('install')->__('Database server version does not match system requirements (required: %s, actual: %s)', $requiredVersion, $version));
            }

            // check InnoDB support
            if (!isset($variables['have_innodb']) || $variables['have_innodb'] != 'YES') {
                Mage::throwException(Mage::helper('install')->__('Database server does not support InnoDB storage engine'));
            }
        }
        catch (Exception $e){
            $this->_getInstaller()->getDataModel()->addError($e->getMessage());
            Mage::throwException(Mage::helper('install')->__('Database connection error'));
        }
    }

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The documentation for this class was generated from the following file:

• app/code/core/Mage/Install/Model/Installer/Db.php