Mage_Core_Model_Mysql4_Resource Class Reference

List of all members.

Public Member Functions
	__construct ()
	getDbVersion ($resName)
	setDbVersion ($resName, $version)
Protected Attributes
	$_read = null
	$_write = null
	$_resTable = null
Static Protected Attributes
static	$_versions = null

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Detailed Description

Mysql Model for module

Definition at line 32 of file Resource.php.

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Constructor & Destructor Documentation

__construct

(

)

Definition at line 39 of file Resource.php.

    {
        $this->_resTable = Mage::getSingleton('core/resource')->getTableName('core/resource');
        $this->_read = Mage::getSingleton('core/resource')->getConnection('core_read');
        $this->_write = Mage::getSingleton('core/resource')->getConnection('core_write');
    }

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Member Function Documentation

getDbVersion

(

$

resName

)

Get Module version from DB

Parameters:

string

$moduleName

Returns:

string

Definition at line 52 of file Resource.php.

    {
        if (!$this->_read) {
            return false;
        }

        if (is_null(self::$_versions)) {
            // if Core module not instaled
            try {
                $select = $this->_read->select()->from($this->_resTable, array('code', 'version'));
                self::$_versions = $this->_read->fetchPairs($select);
            }
            catch (Exception $e){
                self::$_versions = array();
            }
        }
        return isset(self::$_versions[$resName]) ? self::$_versions[$resName] : false;
    }

setDbVersion	(	$	resName,
		$	version
	)

Set module wersion into DB

Parameters:

	string	$moduleName
	string	$version

Returns:

int

Definition at line 78 of file Resource.php.

    {
        $dbModuleInfo = array(
            'code'    => $resName,
            'version' => $version,
        );

        if ($this -> getDbVersion($resName)) {
            self::$_versions[$resName] = $version;
            $condition = $this->_write->quoteInto('code=?', $resName);
            return $this->_write->update($this->_resTable, $dbModuleInfo, $condition);
        }
        else {
            self::$_versions[$resName] = $version;
            return $this->_write->insert($this->_resTable, $dbModuleInfo);
        }
    }

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Member Data Documentation

$_read = null [protected]

Definition at line 34 of file Resource.php.

$_resTable = null [protected]

Definition at line 36 of file Resource.php.

$_versions = null [static, protected]

Definition at line 37 of file Resource.php.

$_write = null [protected]

Definition at line 35 of file Resource.php.

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

• app/code/core/Mage/Core/Model/Mysql4/Resource.php