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OpenSQLManager/sys/common/query_builder.php

124 lines
2.6 KiB
PHP

<?php
/**
* OpenSQLManager
*
* Free Database manager for Open Source Databases
*
* @author Timothy J. Warren
* @copyright Copyright (c) 2012
* @link https://github.com/aviat4ion/OpenSQLManager
* @license http://philsturgeon.co.uk/code/dbad-license
*/
// --------------------------------------------------------------------------
/**
* Convienience class for creating sql queries - also the class that
* instantiates the specific db driver
*/
class Query_Builder {
private $table;
/**
* Constructor
*
* @param mixed $conn_name - the name of the connection/parameters
*/
function __construct($conn_name)
{
// Add some flexibility for testing
if(class_exists('settings'))
{
$this->settings =& Settings::get_instance();
$params = (is_scalar($conn_name))
? $this->settings->get_db($conn_name)
: $conn_name;
}
else
{
$params = $conn_name;
}
$params->type = strtolower($params->type);
$dbtype = ($params->type !== 'postgresql') ? $params->type : 'pgsql';
// Initiate the constructor for the
switch($dbtype)
{
default:
$this->db = new $dbtype("host={$params->host};port={$params->port};", $params->user, $params->pass);
break;
case "sqlite":
if ( ! empty($params->user) && ! empty($params->pass))
{
$this->db = new $dbtype($params->file, $params->user, $params->pass);
}
else
{
$this->db = new $dbtype($params->file);
}
break;
case "firebird":
$this->db = new $dbtype("{$params->host}:{$params->file}", $params->user, $params->pass);
break;
}
}
// --------------------------------------------------------------------------
public function __get($key)
{
if (isset($this->db->$key))
{
return $this->db->$key;
}
return NULL;
}
// --------------------------------------------------------------------------
/**
* Shortcut to directly call database methods
*
* @param string $name
* @param array $params
* @return mixed
*/
public function __call($name, $params)
{
if (isset($this->db->$name))
{
if (is_callable($this->db->$name))
{
return call_user_func_array($this->db->$name, $params);
}
}
return NULL;
}
// --------------------------------------------------------------------------
/**
* Select and retrieve all records from the current table, and/or
* execute current compiled query
*
* @param $table
* @param int $limit
* @param int $offset
* @return object
*/
public function get($table='', $limit=FALSE, $offset=FALSE)
{
if ( ! empty($table) && $limit === FALSE && $offset === FALSE)
{
return $this->query('SELECT * FROM ' . $this->quote_ident($table));
}
}
}