PDO Abstraction
git-svn-id: https://adminer.svn.sourceforge.net/svnroot/adminer/trunk@229 7c3ca157-0c34-0410-bff1-cbf682f78f5c
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jakubvrana
parent
4997d30822
commit
6a682e38df
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@ -38,6 +38,10 @@ if (extension_loaded("mysqli")) {
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return (bool) $this->_link;
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}
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function select_db($database) {
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return mysql_select_db($database, $this->_link);
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}
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function query($query) {
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$result = mysql_query($query, $this->_link);
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if (!$result) {
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@ -61,26 +65,21 @@ if (extension_loaded("mysqli")) {
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function next_result() {
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return false;
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}
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function result($result, $field = 0) {
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return mysql_result($result->_result, 0, $field);
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}
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function select_db($database) {
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return mysql_select_db($database, $this->_link);
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}
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function escape_string($string) {
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return mysql_real_escape_string($string, $this->_link);
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}
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}
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class Min_MySQLResult {
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var $_result, $_offset, $num_rows;
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var $_result, $_offset = 0, $num_rows;
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function Min_MySQLResult($result) {
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$this->_result = $result;
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$this->_offset = 0;
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$this->num_rows = mysql_num_rows($result);
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}
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@ -97,7 +96,6 @@ if (extension_loaded("mysqli")) {
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$row->orgtable = $row->table;
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$row->orgname = $row->name;
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$row->charsetnr = ($row->blob ? 63 : 0);
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$row->flags = ($row->primary_key ? 2 : 0);
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return $row;
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}
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@ -108,9 +106,95 @@ if (extension_loaded("mysqli")) {
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$mysql = new Min_MySQL;
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} elseif (extension_loaded("pdo_mysql")) {
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class Min_PDO_MySQL extends PDO {
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var $_dsn, $_username, $_password, $_result, $server_info, $affected_rows, $error;
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function __construct() {
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}
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function connect($server, $username, $password) {
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$this->_dsn = "mysql:host=$server";
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$this->_username = $username;
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$this->_password = $password;
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set_exception_handler('auth_error'); // try/catch is not compatible with PHP 4
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parent::__construct($this->_dsn, $username, $password);
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restore_exception_handler();
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$this->setAttribute(13, array('Min_PDOStatement')); // PDO::ATTR_STATEMENT_CLASS
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$this->server_info = $this->result($this->query("SELECT VERSION()"));
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return true;
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}
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function select_db($database) {
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parent::__construct("$this->_dsn;dbname=$database", $this->_username, $this->_password); // semicolon in $database is not allowed by PDO
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return $this;
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}
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function query($query) {
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$result = parent::query($query);
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if (!$result) {
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$errorInfo = $this->errorInfo();
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$this->error = $errorInfo[2];
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return false;
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}
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$this->_result = $result;
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if (!$result->columnCount()) {
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$this->affected_rows = $result->rowCount();
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return true;
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}
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$result->num_rows = $result->rowCount();
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return $result;
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}
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function multi_query($query) {
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return $this->query($query);
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}
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function store_result() {
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return ($this->_result->columnCount() ? $this->_result : true);
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}
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function next_result() {
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return $this->_result->nextRowset();
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}
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function result($result, $field = 0) {
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$row = $result->fetch();
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return $row[$field];
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}
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function escape_string($string) {
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return substr($this->quote($string), 1, -1);
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}
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}
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class Min_PDOStatement extends PDOStatement {
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var $_offset = 0, $num_rows;
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function fetch_assoc() {
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return $this->fetch(2); // PDO::FETCH_ASSOC
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}
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function fetch_row() {
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return $this->fetch(3); // PDO::FETCH_NUM
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}
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function fetch_field() {
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$row = (object) $this->getColumnMeta($this->_offset++);
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// table and charset is not available
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return $row;
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}
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function free() {
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// $this->__destruct() is not callable
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}
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}
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$mysql = new Min_PDO_MySQL;
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} else {
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page_header(lang('No MySQL extension'));
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echo "<p class='error'>" . lang('None of supported PHP extensions (%s) are available.', 'mysqli, mysql') . "</p>\n";
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echo "<p class='error'>" . lang('None of supported PHP extensions (%s) are available.', 'mysqli, mysql, pdo') . "</p>\n";
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page_footer("auth");
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exit;
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}
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@ -30,8 +30,8 @@ if (isset($_POST["server"])) {
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redirect(substr($SELF, 0, -1), lang('Logout successful.'));
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}
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$username = $_SESSION["usernames"][$_GET["server"]];
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if (!isset($username) || !$mysql->connect($_GET["server"], $username, $_SESSION["passwords"][$_GET["server"]])) {
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function auth_error() {
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$username = $_SESSION["usernames"][$_GET["server"]];
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if ($_POST["token"] && !isset($username)) {
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$_POST["token"] = token();
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}
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@ -74,6 +74,11 @@ if (!isset($username) || !$mysql->connect($_GET["server"], $username, $_SESSION[
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</form>
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<?php
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page_footer("auth");
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}
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$username = $_SESSION["usernames"][$_GET["server"]];
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if (!isset($username) || !$mysql->connect($_GET["server"], $username, $_SESSION["passwords"][$_GET["server"]])) {
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auth_error();
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exit;
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}
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$mysql->query("SET SQL_QUOTE_SHOW_CREATE=1");
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