mirror of
https://github.com/YunoHost-Apps/phpmyadmin_ynh.git
synced 2024-09-03 19:56:46 +02:00
712 lines
22 KiB
PHP
712 lines
22 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Interface to the Drizzle extension
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*
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* WARNING - EXPERIMENTAL, never use in production,
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* drizzle module segfaults often and when you least expect it to
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*
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* TODO: This file and drizzle-wrappers.lib.php should be devoid
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* of any segault related hacks.
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* TODO: Crashing versions of drizzle module and/or libdrizzle
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* should be blacklisted
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*
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* @package PhpMyAdmin-DBI
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* @subpackage Drizzle
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*/
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if (! defined('PHPMYADMIN')) {
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exit;
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}
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require_once './libraries/logging.lib.php';
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require_once './libraries/dbi/drizzle-wrappers.lib.php';
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require_once './libraries/dbi/DBIExtension.int.php';
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/**
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* MySQL client API
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*/
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if (! defined('PMA_MYSQL_CLIENT_API')) {
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define('PMA_MYSQL_CLIENT_API', (int)drizzle_version());
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}
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/**
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* Interface to the Drizzle extension
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*
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* @package PhpMyAdmin-DBI
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* @subpackage Drizzle
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*/
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class PMA_DBI_Drizzle implements PMA_DBI_Extension
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{
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/**
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* Helper function for connecting to the database server
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*
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* @param PMA_Drizzle $drizzle connection handle
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* @param string $host Drizzle host
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* @param integer $port Drizzle port
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* @param string $uds server socket
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* @param string $user username
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* @param string $password password
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* @param string $db database name
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* @param integer $options connection options
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*
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* @return PMA_DrizzleCon
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*/
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private function _realConnect($drizzle, $host, $port, $uds, $user, $password,
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$db = null, $options = DRIZZLE_CON_NONE
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) {
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if ($uds) {
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$con = $drizzle->addUds($uds, $user, $password, $db, $options);
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} else {
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$con = $drizzle->addTcp($host, $port, $user, $password, $db, $options);
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}
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return $con;
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}
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/**
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* connects to the database server
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*
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* @param string $user drizzle user name
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* @param string $password drizzle user password
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* @param bool $is_controluser whether this is a control user connection
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* @param array $server host/port/socket/persistent
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* @param bool $auxiliary_connection (when true, don't go back to login if
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* connection fails)
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*
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* @return mixed false on error or a mysqli object on success
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*/
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public function connect($user, $password, $is_controluser = false,
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$server = null, $auxiliary_connection = false
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) {
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global $cfg;
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if ($server) {
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$server_port = (empty($server['port']))
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? false
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: (int)$server['port'];
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$server_socket = (empty($server['socket']))
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? ''
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: $server['socket'];
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$server['host'] = (empty($server['host']))
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? 'localhost'
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: $server['host'];
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} else {
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$server_port = (empty($cfg['Server']['port']))
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? false
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: (int) $cfg['Server']['port'];
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$server_socket = (empty($cfg['Server']['socket']))
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? null
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: $cfg['Server']['socket'];
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}
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if (strtolower($GLOBALS['cfg']['Server']['connect_type']) == 'tcp') {
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$GLOBALS['cfg']['Server']['socket'] = '';
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}
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$drizzle = new PMA_Drizzle();
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$client_flags = 0;
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/* Optionally compress connection */
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if ($GLOBALS['cfg']['Server']['compress']) {
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$client_flags |= DRIZZLE_CAPABILITIES_COMPRESS;
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}
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/* Optionally enable SSL */
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if ($GLOBALS['cfg']['Server']['ssl']) {
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$client_flags |= DRIZZLE_CAPABILITIES_SSL;
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}
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if (! $server) {
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$link = @$this->_realConnect(
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$drizzle, $cfg['Server']['host'],
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$server_port, $server_socket, $user,
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$password, false, $client_flags
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);
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// Retry with empty password if we're allowed to
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if ($link == false && isset($cfg['Server']['nopassword'])
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&& $cfg['Server']['nopassword'] && ! $is_controluser
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) {
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$link = @$this->_realConnect(
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$drizzle, $cfg['Server']['host'], $server_port, $server_socket,
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$user, null, false, $client_flags
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);
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}
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} else {
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$link = @$this->_realConnect(
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$drizzle, $server['host'], $server_port, $server_socket,
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$user, $password
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);
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}
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if ($link == false) {
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if ($is_controluser) {
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trigger_error(
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__(
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'Connection for controluser as defined'
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. ' in your configuration failed.'
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),
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E_USER_WARNING
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);
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return false;
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}
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// we could be calling $GLOBALS['dbi']->connect() to connect to another
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// server, for example in the Synchronize feature, so do not
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// go back to main login if it fails
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if (! $auxiliary_connection) {
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PMA_logUser($user, 'drizzle-denied');
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global $auth_plugin;
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$auth_plugin->authFails();
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} else {
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return false;
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}
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} else {
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$GLOBALS['dbi']->postConnect($link, $is_controluser);
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}
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return $link;
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}
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/**
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* selects given database
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*
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* @param string $dbname database name to select
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* @param PMA_DrizzleCom $link connection object
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*
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* @return bool
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*/
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public function selectDb($dbname, $link = null)
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{
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if (empty($link)) {
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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} else {
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return false;
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}
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}
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return $link->selectDb($dbname);
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}
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/**
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* runs a query and returns the result
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*
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* @param string $query query to execute
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* @param PMA_DrizzleCon $link connection object
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* @param int $options query options
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*
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* @return PMA_DrizzleResult
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*/
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public function realQuery($query, $link, $options)
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{
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$buffer_mode = $options & PMA_DatabaseInterface::QUERY_UNBUFFERED
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? PMA_Drizzle::BUFFER_ROW
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: PMA_Drizzle::BUFFER_RESULT;
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$res = $link->query($query, $buffer_mode);
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return $res;
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}
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/**
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* Run the multi query and output the results
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*
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* @param object $link connection object
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* @param string $query multi query statement to execute
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*
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* @return result collection | boolean(false)
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*/
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public function realMultiQuery($link, $query)
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{
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return false;
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}
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/**
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* returns array of rows with associative and numeric keys from $result
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*
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* @param PMA_DrizzleResult $result Drizzle result object
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*
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* @return array
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*/
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public function fetchArray($result)
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{
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return $result->fetchRow(PMA_Drizzle::FETCH_BOTH);
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}
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/**
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* returns array of rows with associative keys from $result
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*
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* @param PMA_DrizzleResult $result Drizzle result object
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*
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* @return array
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*/
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public function fetchAssoc($result)
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{
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return $result->fetchRow(PMA_Drizzle::FETCH_ASSOC);
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}
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/**
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* returns array of rows with numeric keys from $result
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*
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* @param PMA_DrizzleResult $result Drizzle result object
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*
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* @return array
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*/
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public function fetchRow($result)
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{
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return $result->fetchRow(PMA_Drizzle::FETCH_NUM);
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}
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/**
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* Adjusts the result pointer to an arbitrary row in the result
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*
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* @param PMA_DrizzleResult $result Drizzle result object
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* @param int $offset offset to seek
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*
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* @return boolean true on success, false on failure
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*/
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public function dataSeek($result, $offset)
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{
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return $result->seek($offset);
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}
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/**
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* Frees memory associated with the result
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*
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* @param PMA_DrizzleResult $result database result
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*
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* @return void
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*/
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public function freeResult($result)
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{
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if ($result instanceof PMA_DrizzleResult) {
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$result->free();
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}
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}
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/**
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* Check if there are any more query results from a multi query
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*
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* @param object $link the connection object
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*
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* @return bool false
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*/
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public function moreResults($link = null)
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{
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// N.B.: PHP's 'mysql' extension does not support
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// multi_queries so this function will always
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// return false. Use the 'mysqli' extension, if
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// you need support for multi_queries.
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return false;
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}
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/**
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* Prepare next result from multi_query
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*
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* @param object $link the connection object
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*
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* @return bool false
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*/
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public function nextResult($link = null)
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{
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// N.B.: PHP's 'mysql' extension does not support
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// multi_queries so this function will always
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// return false. Use the 'mysqli' extension, if
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// you need support for multi_queries.
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return false;
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}
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/**
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* Returns a string representing the type of connection used
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*
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* @param PMA_DrizzleCon $link connection object
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*
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* @return string type of connection used
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*/
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public function getHostInfo($link = null)
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{
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if (null === $link) {
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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} else {
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return false;
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}
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}
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$str = $link->port()
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? $link->host() . ':' . $link->port() . ' via TCP/IP'
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: 'Localhost via UNIX socket';
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return $str;
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}
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/**
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* Returns the version of the Drizzle protocol used
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*
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* @param PMA_DrizzleCon $link connection object
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*
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* @return int version of the Drizzle protocol used
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*/
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public function getProtoInfo($link = null)
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{
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if (null === $link) {
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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} else {
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return false;
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}
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}
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return $link->protocolVersion();
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}
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/**
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* returns a string that represents the client library version
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*
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* @return string Drizzle client library version
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*/
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public function getClientInfo()
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{
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return 'libdrizzle (Drizzle ' . drizzle_version() . ')';
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}
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/**
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* returns last error message or false if no errors occurred
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*
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* @param PMA_DrizzleCon $link connection object
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*
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* @return string|bool $error or false
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*/
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public function getError($link = null)
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{
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$GLOBALS['errno'] = 0;
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/* Treat false same as null because of controllink */
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if ($link === false) {
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$link = null;
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}
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if (null === $link && isset($GLOBALS['userlink'])) {
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$link =& $GLOBALS['userlink'];
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// Do not stop now. We still can get the error code
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// with mysqli_connect_errno()
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// } else {
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// return false;
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}
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if (null !== $link) {
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$error_number = drizzle_con_errno($link->getConnectionObject());
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$error_message = drizzle_con_error($link->getConnectionObject());
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} else {
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$error_number = drizzle_errno();
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$error_message = drizzle_error();
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}
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if (0 == $error_number) {
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return false;
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}
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// keep the error number for further check after
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// the call to getError()
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$GLOBALS['errno'] = $error_number;
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return $GLOBALS['dbi']->formatError($error_number, $error_message);
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}
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/**
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* returns the number of rows returned by last query
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*
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* @param PMA_DrizzleResult $result Drizzle result object
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*
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* @return string|int
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*/
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public function numRows($result)
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{
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// see the note for $GLOBALS['dbi']->tryQuery();
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if (!is_bool($result)) {
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return @$result->numRows();
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} else {
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return 0;
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}
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}
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/**
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* returns last inserted auto_increment id for given $link
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* or $GLOBALS['userlink']
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*
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* @param PMA_DrizzleCon $link connection object
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*
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* @return string|int
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*/
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public function insertId($link = null)
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{
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if (empty($link)) {
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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} else {
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return false;
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}
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}
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// copied from mysql and mysqli
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// When no controluser is defined, using mysqli_insert_id($link)
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// does not always return the last insert id due to a mixup with
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// the tracking mechanism, but this works:
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return $GLOBALS['dbi']->fetchValue('SELECT LAST_INSERT_ID();', 0, 0, $link);
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// Curiously, this problem does not happen with the mysql extension but
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// there is another problem with BIGINT primary keys so insertId()
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// in the mysql extension also uses this logic.
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}
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/**
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* returns the number of rows affected by last query
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*
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* @param PMA_DrizzleResult $link connection object
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* @param bool $get_from_cache whether to retrieve from cache
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*
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* @return string|int
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*/
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public function affectedRows($link = null, $get_from_cache = true)
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{
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if (empty($link)) {
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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} else {
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return false;
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}
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}
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if ($get_from_cache) {
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return $GLOBALS['cached_affected_rows'];
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} else {
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return $link->affectedRows();
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}
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}
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/**
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* returns metainfo for fields in $result
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*
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* @param PMA_DrizzleResult $result Drizzle result object
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*
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* @return array meta info for fields in $result
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*/
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public function getFieldsMeta($result)
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{
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// Build an associative array for a type look up
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$typeAr = array();
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/*$typeAr[DRIZZLE_COLUMN_TYPE_DECIMAL] = 'real';
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$typeAr[DRIZZLE_COLUMN_TYPE_NEWDECIMAL] = 'real';
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$typeAr[DRIZZLE_COLUMN_TYPE_BIT] = 'int';
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$typeAr[DRIZZLE_COLUMN_TYPE_TINY] = 'int';
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$typeAr[DRIZZLE_COLUMN_TYPE_SHORT] = 'int';
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$typeAr[DRIZZLE_COLUMN_TYPE_LONG] = 'int';
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$typeAr[DRIZZLE_COLUMN_TYPE_FLOAT] = 'real';
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$typeAr[DRIZZLE_COLUMN_TYPE_DOUBLE] = 'real';
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$typeAr[DRIZZLE_COLUMN_TYPE_NULL] = 'null';
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$typeAr[DRIZZLE_COLUMN_TYPE_TIMESTAMP] = 'timestamp';
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$typeAr[DRIZZLE_COLUMN_TYPE_LONGLONG] = 'int';
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$typeAr[DRIZZLE_COLUMN_TYPE_INT24] = 'int';
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$typeAr[DRIZZLE_COLUMN_TYPE_DATE] = 'date';
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$typeAr[DRIZZLE_COLUMN_TYPE_TIME] = 'date';
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$typeAr[DRIZZLE_COLUMN_TYPE_DATETIME] = 'datetime';
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$typeAr[DRIZZLE_COLUMN_TYPE_YEAR] = 'year';
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$typeAr[DRIZZLE_COLUMN_TYPE_NEWDATE] = 'date';
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$typeAr[DRIZZLE_COLUMN_TYPE_ENUM] = 'unknown';
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$typeAr[DRIZZLE_COLUMN_TYPE_SET] = 'unknown';
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$typeAr[DRIZZLE_COLUMN_TYPE_VIRTUAL] = 'unknown';
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$typeAr[DRIZZLE_COLUMN_TYPE_TINY_BLOB] = 'blob';
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$typeAr[DRIZZLE_COLUMN_TYPE_MEDIUM_BLOB] = 'blob';
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$typeAr[DRIZZLE_COLUMN_TYPE_LONG_BLOB] = 'blob';
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$typeAr[DRIZZLE_COLUMN_TYPE_BLOB] = 'blob';
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$typeAr[DRIZZLE_COLUMN_TYPE_VAR_STRING] = 'string';
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$typeAr[DRIZZLE_COLUMN_TYPE_VARCHAR] = 'string';
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$typeAr[DRIZZLE_COLUMN_TYPE_STRING] = 'string';
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$typeAr[DRIZZLE_COLUMN_TYPE_GEOMETRY] = 'geometry';*/
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$typeAr[DRIZZLE_COLUMN_TYPE_DRIZZLE_BLOB] = 'blob';
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$typeAr[DRIZZLE_COLUMN_TYPE_DRIZZLE_DATE] = 'date';
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$typeAr[DRIZZLE_COLUMN_TYPE_DRIZZLE_DATETIME] = 'datetime';
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$typeAr[DRIZZLE_COLUMN_TYPE_DRIZZLE_DOUBLE] = 'real';
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$typeAr[DRIZZLE_COLUMN_TYPE_DRIZZLE_ENUM] = 'unknown';
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$typeAr[DRIZZLE_COLUMN_TYPE_DRIZZLE_LONG] = 'int';
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$typeAr[DRIZZLE_COLUMN_TYPE_DRIZZLE_LONGLONG] = 'int';
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$typeAr[DRIZZLE_COLUMN_TYPE_DRIZZLE_MAX] = 'unknown';
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$typeAr[DRIZZLE_COLUMN_TYPE_DRIZZLE_NULL] = 'null';
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|
$typeAr[DRIZZLE_COLUMN_TYPE_DRIZZLE_TIMESTAMP] = 'timestamp';
|
|
$typeAr[DRIZZLE_COLUMN_TYPE_DRIZZLE_TINY] = 'int';
|
|
$typeAr[DRIZZLE_COLUMN_TYPE_DRIZZLE_VARCHAR] = 'string';
|
|
|
|
// array of DrizzleColumn
|
|
$columns = $result->getColumns();
|
|
// columns in a standarized format
|
|
$std_columns = array();
|
|
|
|
foreach ($columns as $k => $column) {
|
|
$c = new stdClass();
|
|
$c->name = $column->name();
|
|
$c->orgname = $column->origName();
|
|
$c->table = $column->table();
|
|
$c->orgtable = $column->origTable();
|
|
$c->def = $column->defaultValue();
|
|
$c->db = $column->db();
|
|
$c->catalog = $column->catalog();
|
|
// $column->maxSize() returns always 0 while size() seems
|
|
// to return a correct value (drizzle extension v.0.5, API v.7)
|
|
$c->max_length = $column->size();
|
|
$c->decimals = $column->decimals();
|
|
$c->charsetnr = $column->charset();
|
|
$c->type = $typeAr[$column->typeDrizzle()];
|
|
$c->_type = $column->type();
|
|
$c->flags = $this->fieldFlags($result, $k);
|
|
$c->_flags = $column->flags();
|
|
|
|
$c->multiple_key = (int) (bool) (
|
|
$c->_flags & DRIZZLE_COLUMN_FLAGS_MULTIPLE_KEY
|
|
);
|
|
$c->primary_key = (int) (bool) (
|
|
$c->_flags & DRIZZLE_COLUMN_FLAGS_PRI_KEY
|
|
);
|
|
$c->unique_key = (int) (bool) (
|
|
$c->_flags & DRIZZLE_COLUMN_FLAGS_UNIQUE_KEY
|
|
);
|
|
$c->not_null = (int) (bool) (
|
|
$c->_flags & DRIZZLE_COLUMN_FLAGS_NOT_NULL
|
|
);
|
|
$c->unsigned = (int) (bool) (
|
|
$c->_flags & DRIZZLE_COLUMN_FLAGS_UNSIGNED
|
|
);
|
|
$c->zerofill = (int) (bool) (
|
|
$c->_flags & DRIZZLE_COLUMN_FLAGS_ZEROFILL
|
|
);
|
|
$c->numeric = (int) (bool) (
|
|
$c->_flags & DRIZZLE_COLUMN_FLAGS_NUM
|
|
);
|
|
$c->blob = (int) (bool) (
|
|
$c->_flags & DRIZZLE_COLUMN_FLAGS_BLOB
|
|
);
|
|
|
|
$std_columns[] = $c;
|
|
}
|
|
|
|
return $std_columns;
|
|
}
|
|
|
|
/**
|
|
* return number of fields in given $result
|
|
*
|
|
* @param PMA_DrizzleResult $result Drizzle result object
|
|
*
|
|
* @return int field count
|
|
*/
|
|
public function numFields($result)
|
|
{
|
|
return $result->numColumns();
|
|
}
|
|
|
|
/**
|
|
* returns the length of the given field $i in $result
|
|
*
|
|
* @param PMA_DrizzleResult $result Drizzle result object
|
|
* @param int $i field
|
|
*
|
|
* @return int length of field
|
|
*/
|
|
public function fieldLen($result, $i)
|
|
{
|
|
$colums = $result->getColumns();
|
|
return $colums[$i]->size();
|
|
}
|
|
|
|
/**
|
|
* returns name of $i. field in $result
|
|
*
|
|
* @param PMA_DrizzleResult $result Drizzle result object
|
|
* @param int $i field
|
|
*
|
|
* @return string name of $i. field in $result
|
|
*/
|
|
public function fieldName($result, $i)
|
|
{
|
|
$colums = $result->getColumns();
|
|
return $colums[$i]->name();
|
|
}
|
|
|
|
/**
|
|
* returns concatenated string of human readable field flags
|
|
*
|
|
* @param PMA_DrizzleResult $result Drizzle result object
|
|
* @param int $i field
|
|
*
|
|
* @return string field flags
|
|
*/
|
|
public function fieldFlags($result, $i)
|
|
{
|
|
$columns = $result->getColumns();
|
|
$f = $columns[$i];
|
|
$type = $f->typeDrizzle();
|
|
$charsetnr = $f->charset();
|
|
$f = $f->flags();
|
|
$flags = '';
|
|
if ($f & DRIZZLE_COLUMN_FLAGS_UNIQUE_KEY) {
|
|
$flags .= 'unique ';
|
|
}
|
|
if ($f & DRIZZLE_COLUMN_FLAGS_NUM) {
|
|
$flags .= 'num ';
|
|
}
|
|
if ($f & DRIZZLE_COLUMN_FLAGS_PART_KEY) {
|
|
$flags .= 'part_key ';
|
|
}
|
|
if ($f & DRIZZLE_COLUMN_FLAGS_SET) {
|
|
$flags .= 'set ';
|
|
}
|
|
if ($f & DRIZZLE_COLUMN_FLAGS_TIMESTAMP) {
|
|
$flags .= 'timestamp ';
|
|
}
|
|
if ($f & DRIZZLE_COLUMN_FLAGS_AUTO_INCREMENT) {
|
|
$flags .= 'auto_increment ';
|
|
}
|
|
if ($f & DRIZZLE_COLUMN_FLAGS_ENUM) {
|
|
$flags .= 'enum ';
|
|
}
|
|
// See http://dev.mysql.com/doc/refman/6.0/en/c-api-datatypes.html:
|
|
// to determine if a string is binary, we should not use MYSQLI_BINARY_FLAG
|
|
// but instead the charsetnr member of the MYSQL_FIELD
|
|
// structure. Watch out: some types like DATE returns 63 in charsetnr
|
|
// so we have to check also the type.
|
|
// Unfortunately there is no equivalent in the mysql extension.
|
|
if (($type == DRIZZLE_COLUMN_TYPE_DRIZZLE_BLOB
|
|
|| $type == DRIZZLE_COLUMN_TYPE_DRIZZLE_VARCHAR)
|
|
&& 63 == $charsetnr
|
|
) {
|
|
$flags .= 'binary ';
|
|
}
|
|
if ($f & DRIZZLE_COLUMN_FLAGS_ZEROFILL) {
|
|
$flags .= 'zerofill ';
|
|
}
|
|
if ($f & DRIZZLE_COLUMN_FLAGS_UNSIGNED) {
|
|
$flags .= 'unsigned ';
|
|
}
|
|
if ($f & DRIZZLE_COLUMN_FLAGS_BLOB) {
|
|
$flags .= 'blob ';
|
|
}
|
|
if ($f & DRIZZLE_COLUMN_FLAGS_MULTIPLE_KEY) {
|
|
$flags .= 'multiple_key ';
|
|
}
|
|
if ($f & DRIZZLE_COLUMN_FLAGS_UNIQUE_KEY) {
|
|
$flags .= 'unique_key ';
|
|
}
|
|
if ($f & DRIZZLE_COLUMN_FLAGS_PRI_KEY) {
|
|
$flags .= 'primary_key ';
|
|
}
|
|
if ($f & DRIZZLE_COLUMN_FLAGS_NOT_NULL) {
|
|
$flags .= 'not_null ';
|
|
}
|
|
return trim($flags);
|
|
}
|
|
|
|
/**
|
|
* Store the result returned from multi query
|
|
*
|
|
* @return false
|
|
*/
|
|
public function storeResult()
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
?>
|