<?php
-class Db implements IDb {
+class Db
+{
+
+ /* @var Db $instance */
private static $instance;
+
+ /* @var IDb $adapter */
private $adapter;
+
private $link;
- private function __construct() {
+ /* @var PDO $pdo */
+ private $pdo;
+
+ private function __clone() {
+ //
+ }
+
+ private function legacy_connect() {
+
+ user_error("Legacy connect requested to " . DB_TYPE, E_USER_NOTICE);
$er = error_reporting(E_ALL);
- if (defined('_ENABLE_PDO') && _ENABLE_PDO && class_exists("PDO")) {
- $this->adapter = new Db_PDO();
- } else {
- switch (DB_TYPE) {
+ switch (DB_TYPE) {
case "mysql":
- if (function_exists("mysqli_connect")) {
- $this->adapter = new Db_Mysqli();
- } else {
- $this->adapter = new Db_Mysql();
- }
+ $this->adapter = new Db_Mysqli();
break;
case "pgsql":
$this->adapter = new Db_Pgsql();
break;
default:
die("Unknown DB_TYPE: " . DB_TYPE);
- }
}
- if (!$this->adapter) die("Error initializing database adapter for " . DB_TYPE);
+ if (!$this->adapter) {
+ print("Error initializing database adapter for " . DB_TYPE);
+ exit(100);
+ }
$this->link = $this->adapter->connect(DB_HOST, DB_USER, DB_PASS, DB_NAME, defined('DB_PORT') ? DB_PORT : "");
if (!$this->link) {
- die("Error connecting through adapter: " . $this->adapter->last_error());
+ print("Error connecting through adapter: " . $this->adapter->last_error());
+ exit(101);
}
error_reporting($er);
}
- private function __clone() {
- //
- }
+ private function pdo_connect() {
- public static function get() {
- if (self::$instance == null)
- self::$instance = new self();
+ $db_port = defined('DB_PORT') && DB_PORT ? ';port=' . DB_PORT : '';
- return self::$instance;
- }
+ $this->pdo = new PDO(DB_TYPE . ':dbname=' . DB_NAME . ';host=' . DB_HOST . $db_port,
+ DB_USER,
+ DB_PASS);
- static function quote($str){
- return("'$str'");
- }
+ if (!$this->pdo) {
+ print("Error connecting via PDO.");
+ exit(101);
+ }
- function reconnect() {
- $this->link = $this->adapter->connect(DB_HOST, DB_USER, DB_PASS, DB_NAME, defined('DB_PORT') ? DB_PORT : "");
- }
+ $this->pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING);
- function connect($host, $user, $pass, $db, $port) {
- //return $this->adapter->connect($host, $user, $pass, $db, $port);
- return ;
- }
+ if (DB_TYPE == "pgsql") {
- function escape_string($s, $strip_tags = true) {
- return $this->adapter->escape_string($s, $strip_tags);
- }
+ $this->pdo->query("set client_encoding = 'UTF-8'");
+ $this->pdo->query("set datestyle = 'ISO, european'");
+ $this->pdo->query("set TIME ZONE 0");
+ $this->pdo->query("set cpu_tuple_cost = 0.5");
- function query($query, $die_on_error = true) {
- return $this->adapter->query($query, $die_on_error);
- }
+ } else if (DB_TYPE == "mysql") {
+ $this->pdo->query("SET time_zone = '+0:0'");
- function fetch_assoc($result) {
- return $this->adapter->fetch_assoc($result);
+ if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
+ $this->pdo->query("SET NAMES " . MYSQL_CHARSET);
+ }
+ }
}
- function num_rows($result) {
- return $this->adapter->num_rows($result);
- }
+ public static function get() {
+ if (self::$instance == null)
+ self::$instance = new self();
- function fetch_result($result, $row, $param) {
- return $this->adapter->fetch_result($result, $row, $param);
- }
+ if (!self::$instance->adapter) {
+ self::$instance->legacy_connect();
+ }
- function close() {
- return $this->adapter->close();
+ return self::$instance->adapter;
}
- function affected_rows($result) {
- return $this->adapter->affected_rows($result);
- }
+ public static function pdo() {
+ if (self::$instance == null)
+ self::$instance = new self();
- function last_error() {
- return $this->adapter->last_error();
- }
+ if (!self::$instance->pdo) {
+ self::$instance->pdo_connect();
+ }
-}
-?>
+ return self::$instance->pdo;
+ }
+}
\ No newline at end of file