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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Test
* @subpackage PHPUnit
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: Generic.php 20096 2010-01-06 02:05:09Z bkarwin $
*/
/**
* @see Zend_Db_Adapter_Abstract
*/
require_once "Zend/Db/Adapter/Abstract.php";
/**
* @see PHPUnit_Extensions_Database_DB_IMetaData
*/
require_once "PHPUnit/Extensions/Database/DB/IMetaData.php";
/**
* Generic Metadata accessor for the Zend_Db adapters
*
* @uses PHPUnit_Extensions_Database_DB_IMetaData
* @category Zend
* @package Zend_Test
* @subpackage PHPUnit
* @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Test_PHPUnit_Db_Metadata_Generic implements PHPUnit_Extensions_Database_DB_IMetaData
{
/**
* Zend_Db Connection
*
* @var Zend_Db_Adapter_Abstract
*/
protected $_connection;
/**
* Schemaname
*
* @var string
*/
protected $_schema;
/**
* Cached Table metadata
*
* @var array
*/
protected $_tableMetadata = array();
/**
* Creates a new database meta data object using the given pdo connection
* and schema name.
*
* @param PDO $pdo
* @param string $schema
*/
public final function __construct(Zend_Db_Adapter_Abstract $db, $schema)
{
$this->_connection = $db;
$this->_schema = $schema;
}
/**
* List Tables
*
* @return array
*/
public function getTableNames()
{
return $this->_connection->listTables();
}
/**
* Get Table information
*
* @param string $tableName
* @return array
*/
protected function getTableDescription($tableName)
{
if(!isset($this->_tableMetadata[$tableName])) {
$this->_tableMetadata[$tableName] = $this->_connection->describeTable($tableName);
}
return $this->_tableMetadata[$tableName];
}
/**
* Returns an array containing the names of all the columns in the
* $tableName table,
*
* @param string $tableName
* @return array
*/
public function getTableColumns($tableName)
{
$tableMeta = $this->getTableDescription($tableName);
$columns = array_keys($tableMeta);
return $columns;
}
/**
* Returns an array containing the names of all the primary key columns in
* the $tableName table.
*
* @param string $tableName
* @return array
*/
public function getTablePrimaryKeys($tableName)
{
$tableMeta = $this->getTableDescription($tableName);
$primaryColumnNames = array();
foreach($tableMeta AS $column) {
if($column['PRIMARY'] == true) {
$primaryColumnNames[] = $column['COLUMN_NAME'];
}
}
return $primaryColumnNames;
}
/**
* Returns the name of the default schema.
*
* @return string
*/
public function getSchema()
{
return $this->_schema;
}
/**
* Returns a quoted schema object. (table name, column name, etc)
*
* @param string $object
* @return string
*/
public function quoteSchemaObject($object)
{
return $this->_connection->quoteIdentifier($object);
}
/**
* Returns true if the rdbms allows cascading
*
* @return bool
*/
public function allowsCascading()
{
return false;
}
}
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