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