Current File : //opt/alt/php55/usr/share/pear/PHPUnit/Extensions/Database/DB/MetaData.php
<?php
/**
* PHPUnit
*
* Copyright (c) 2002-2014, Sebastian Bergmann <sebastian@phpunit.de>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Sebastian Bergmann nor the names of his
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @package DbUnit
* @author Mike Lively <m@digitalsandwich.com>
* @copyright 2002-2014 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://www.phpunit.de/
* @since File available since Release 1.0.0
*/
/**
* Provides a basic constructor for all meta data classes and a factory for
* generating the appropriate meta data class.
*
* @package DbUnit
* @author Mike Lively <m@digitalsandwich.com>
* @copyright 2010-2014 Mike Lively <m@digitalsandwich.com>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @version Release: 1.3.1
* @link http://www.phpunit.de/
* @since Class available since Release 1.0.0
*/
abstract class PHPUnit_Extensions_Database_DB_MetaData implements PHPUnit_Extensions_Database_DB_IMetaData
{
protected static $metaDataClassMap = array(
'pgsql' => 'PHPUnit_Extensions_Database_DB_MetaData_PgSQL',
'mysql' => 'PHPUnit_Extensions_Database_DB_MetaData_MySQL',
'oci' => 'PHPUnit_Extensions_Database_DB_MetaData_Oci',
'sqlite' => 'PHPUnit_Extensions_Database_DB_MetaData_Sqlite',
'sqlite2'=> 'PHPUnit_Extensions_Database_DB_MetaData_Sqlite',
'sqlsrv' => 'PHPUnit_Extensions_Database_DB_MetaData_SqlSrv',
'firebird' => 'PHPUnit_Extensions_Database_DB_MetaData_Firebird',
'dblib' => 'PHPUnit_Extensions_Database_DB_MetaData_Dblib'
);
/**
* The PDO connection used to retreive database meta data
*
* @var PDO
*/
protected $pdo;
/**
* The default schema name for the meta data object.
*
* @var string
*/
protected $schema;
/**
* The character used to quote schema objects.
*/
protected $schemaObjectQuoteChar = '"';
/**
* The command used to perform a TRUNCATE operation.
*/
protected $truncateCommand = 'TRUNCATE';
/**
* 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(PDO $pdo, $schema = '')
{
$this->pdo = $pdo;
$this->schema = $schema;
}
/**
* Creates a meta data object based on the driver of given $pdo object and
* $schema name.
*
* @param PDO $pdo
* @param string $schema
* @return PHPUnit_Extensions_Database_DB_MetaData
*/
public static function createMetaData(PDO $pdo, $schema = '')
{
$driverName = $pdo->getAttribute(PDO::ATTR_DRIVER_NAME);
if (isset(self::$metaDataClassMap[$driverName])) {
$className = self::$metaDataClassMap[$driverName];
if ($className instanceof ReflectionClass) {
return $className->newInstance($pdo, $schema);
} else {
return self::registerClassWithDriver($className, $driverName)->newInstance($pdo, $schema);
}
} else {
throw new PHPUnit_Extensions_Database_Exception("Could not find a meta data driver for {$driverName} pdo driver.");
}
}
/**
* Validates and registers the given $className with the given $pdoDriver.
* It should be noted that this function will not attempt to include /
* require the file. The $pdoDriver can be determined by the value of the
* PDO::ATTR_DRIVER_NAME attribute for a pdo object.
*
* A reflection of the $className is returned.
*
* @param string $className
* @param string $pdoDriver
* @return ReflectionClass
*/
public static function registerClassWithDriver($className, $pdoDriver)
{
if (!class_exists($className)) {
throw new PHPUnit_Extensions_Database_Exception("Specified class for {$pdoDriver} driver ({$className}) does not exist.");
}
$reflection = new ReflectionClass($className);
if ($reflection->isSubclassOf('PHPUnit_Extensions_Database_DB_MetaData')) {
return self::$metaDataClassMap[$pdoDriver] = $reflection;
} else {
throw new PHPUnit_Extensions_Database_Exception("Specified class for {$pdoDriver} driver ({$className}) does not extend PHPUnit_Extensions_Database_DB_MetaData.");
}
}
/**
* Returns the schema for the connection.
*
* @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)
{
$parts = explode('.', $object);
$quotedParts = array();
foreach ($parts as $part) {
$quotedParts[] = $this->schemaObjectQuoteChar .
str_replace($this->schemaObjectQuoteChar, $this->schemaObjectQuoteChar.$this->schemaObjectQuoteChar, $part).
$this->schemaObjectQuoteChar;
}
return implode('.', $quotedParts);
}
/**
* Seperates the schema and the table from a fully qualified table name.
*
* Returns an associative array containing the 'schema' and the 'table'.
*
* @param string $fullTableName
* @return array
*/
public function splitTableName($fullTableName)
{
if (($dot = strpos($fullTableName, '.')) !== FALSE) {
return array(
'schema' => substr($fullTableName, 0, $dot),
'table' => substr($fullTableName, $dot + 1)
);
} else {
return array(
'schema' => NULL,
'table' => $fullTableName
);
}
}
/**
* Returns the command for the database to truncate a table.
*
* @return string
*/
public function getTruncateCommand()
{
return $this->truncateCommand;
}
/**
* Returns true if the rdbms allows cascading
*
* @return bool
*/
public function allowsCascading()
{
return FALSE;
}
/**
* Disables primary keys if the rdbms does not allow setting them otherwise
*
* @param string $tableName
*/
public function disablePrimaryKeys($tableName)
{
return;
}
/**
* Reenables primary keys after they have been disabled
*
* @param string $tableName
*/
public function enablePrimaryKeys($tableName)
{
return;
}
}
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