<?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 OracleConnection extends Connection {
  	/**
  	 * Quote the keys of the array
  	 */
  	private function quoteKeys(array $data) {
  		$return = array();
  		foreach($data as $key => $value) {
  			$return[$this->quoteIdentifier($key)] = $value;
  		}
  		return $return;
  	}
  
  	/*
  	 * {@inheritDoc}
  	 */
  	public function insert($tableName, array $data, array $types = array()) {
  		$tableName = $this->quoteIdentifier($tableName);
  		$data = $this->quoteKeys($data);
  		return parent::insert($tableName, $data, $types);
  	}
  
  	/*
  	 * {@inheritDoc}
  	 */
  	public function update($tableName, array $data, array $identifier, array $types = array()) {
  		$tableName = $this->quoteIdentifier($tableName);
  		$data = $this->quoteKeys($data);
  		$identifier = $this->quoteKeys($identifier);
  		return parent::update($tableName, $data, $identifier, $types);
  	}
  
  	/*
  	 * {@inheritDoc}
  	 */
  	public function delete($tableName, array $identifier) {
  		$tableName = $this->quoteIdentifier($tableName);
  		$identifier = $this->quoteKeys($identifier);
  		return parent::delete($tableName, $identifier);
  	}
  }