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Create DB Connection wrapper and DB\Adapter* classes

This commit is contained in:
Bart Visscher 2013-02-25 08:19:49 +01:00
parent 62ce3a5613
commit 66a215651b
7 changed files with 163 additions and 0 deletions
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6
lib/db.php
View File

@ -129,6 +129,7 @@ class OC_DB {
'path' => $datadir.'/'.$name.'.db',
'driver' => 'pdo_sqlite',
);
$connectionParams['adapter'] = '\OC\DB\AdapterSqlite';
break;
case 'mysql':
$connectionParams = array(
@ -140,6 +141,7 @@ class OC_DB {
'charset' => 'UTF8',
'driver' => 'pdo_mysql',
);
$connectionParams['adapter'] = '\OC\DB\Adapter';
break;
case 'pgsql':
$connectionParams = array(
@ -150,6 +152,7 @@ class OC_DB {
'dbname' => $name,
'driver' => 'pdo_pgsql',
);
$connectionParams['adapter'] = '\OC\DB\AdapterPgSql';
break;
case 'oci':
$connectionParams = array(
@ -163,6 +166,7 @@ class OC_DB {
if (!empty($port)) {
$connectionParams['port'] = $port;
}
$connectionParams['adapter'] = '\OC\DB\AdapterOCI8';
break;
case 'mssql':
$connectionParams = array(
@ -174,10 +178,12 @@ class OC_DB {
'charset' => 'UTF8',
'driver' => 'pdo_sqlsrv',
);
$connectionParams['adapter'] = '\OC\DB\AdapterSQLSrv';
break;
default:
return false;
}
$connectionParams['wrapperClass'] = 'OC\DB\Connection';
try {
self::$DOCTRINE = \Doctrine\DBAL\DriverManager::getConnection($connectionParams, $config);
} catch(\Doctrine\DBAL\DBALException $e) {

17
lib/db/adapter.php Normal file
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@ -0,0 +1,17 @@
<?php
/**
* Copyright (c) 2013 Bart Visscher <bartv@thisnet.nl>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\DB;
class Adapter {
protected $conn;
public function __construct($conn) {
$this->conn = $conn;
}
}

13
lib/db/adapteroci8.php Normal file
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@ -0,0 +1,13 @@
<?php
/**
* Copyright (c) 2013 Bart Visscher <bartv@thisnet.nl>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\DB;
class AdapterOCI8 extends Adapter {
}

13
lib/db/adapterpgsql.php Normal file
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@ -0,0 +1,13 @@
<?php
/**
* Copyright (c) 2013 Bart Visscher <bartv@thisnet.nl>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\DB;
class AdapterPgSql extends Adapter {
}

13
lib/db/adaptersqlite.php Normal file
View File

@ -0,0 +1,13 @@
<?php
/**
* Copyright (c) 2013 Bart Visscher <bartv@thisnet.nl>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\DB;
class AdapterSqlite extends Adapter {
}

13
lib/db/adaptersqlsrv.php Normal file
View File

@ -0,0 +1,13 @@
<?php
/**
* Copyright (c) 2013 Bart Visscher <bartv@thisnet.nl>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\DB;
class AdapterSQLSrv extends Adapter {
}

88
lib/db/connection.php Normal file
View File

@ -0,0 +1,88 @@
<?php
/**
* Copyright (c) 2013 Bart Visscher <bartv@thisnet.nl>
* This file is licensed under the Affero General Public License version 3 or
* later.
* See the COPYING-README file.
*/
namespace OC\DB;
use Doctrine\DBAL\Driver;
use Doctrine\DBAL\Configuration;
use Doctrine\DBAL\Cache\QueryCacheProfile;
use Doctrine\Common\EventManager;
class Connection extends \Doctrine\DBAL\Connection {
protected $table_prefix;
protected $sequence_suffix;
protected $adapter;
/**
* Initializes a new instance of the Connection class.
*
* @param array $params The connection parameters.
* @param Driver $driver
* @param Configuration $config
* @param EventManager $eventManager
*/
public function __construct(array $params, Driver $driver, Configuration $config = null,
EventManager $eventManager = null)
{
if (!isset($params['adapter'])) {
throw new Exception('adapter not set');
}
parent::__construct($params, $driver, $config, $eventManager);
$this->adapter = new $params['adapter']($this);
}
/**
* Prepares an SQL statement.
*
* @param string $statement The SQL statement to prepare.
* @return \Doctrine\DBAL\Driver\Statement The prepared statement.
*/
public function prepare( $statement, $limit=null, $offset=null ) {
// TODO: prefix
// TODO: limit & offset
// TODO: prepared statement cache
return parent::prepare($statement);
}
/**
* Executes an, optionally parameterized, SQL query.
*
* If the query is parameterized, a prepared statement is used.
* If an SQLLogger is configured, the execution is logged.
*
* @param string $query The SQL query to execute.
* @param array $params The parameters to bind to the query, if any.
* @param array $types The types the previous parameters are in.
* @param QueryCacheProfile $qcp
* @return \Doctrine\DBAL\Driver\Statement The executed statement.
* @internal PERF: Directly prepares a driver statement, not a wrapper.
*/
public function executeQuery($query, array $params = array(), $types = array(), QueryCacheProfile $qcp = null)
{
// TODO: prefix
return parent::executeQuery($query, $params, $types, $qcp);
}
/**
* Executes an SQL INSERT/UPDATE/DELETE query with the given parameters
* and returns the number of affected rows.
*
* This method supports PDO binding types as well as DBAL mapping types.
*
* @param string $query The SQL query.
* @param array $params The query parameters.
* @param array $types The parameter types.
* @return integer The number of affected rows.
* @internal PERF: Directly prepares a driver statement, not a wrapper.
*/
public function executeUpdate($query, array $params = array(), array $types = array())
{
// TODO: prefix
return parent::executeUpdate($query, $params, $types);
}
}