373 lines
9.6 KiB
PHP
373 lines
9.6 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 classic MySQL extension
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*
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* @version $Id$
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*/
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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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$client_api = explode('.', mysql_get_client_info());
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define('PMA_MYSQL_CLIENT_API', (int)sprintf('%d%02d%02d', $client_api[0], $client_api[1], intval($client_api[2])));
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unset($client_api);
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}
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function PMA_DBI_real_connect($server, $user, $password, $client_flags)
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{
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global $cfg;
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if (empty($client_flags)) {
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if ($cfg['PersistentConnections']) {
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$link = @mysql_pconnect($server, $user, $password);
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} else {
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$link = @mysql_connect($server, $user, $password);
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}
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} else {
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if ($cfg['PersistentConnections']) {
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$link = @mysql_pconnect($server, $user, $password, $client_flags);
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} else {
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$link = @mysql_connect($server, $user, $password, false, $client_flags);
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}
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}
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return $link;
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}
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function PMA_DBI_connect($user, $password, $is_controluser = false)
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{
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global $cfg, $php_errormsg;
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$server_port = (empty($cfg['Server']['port']))
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? ''
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: ':' . $cfg['Server']['port'];
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if (strtolower($cfg['Server']['connect_type']) == 'tcp') {
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$cfg['Server']['socket'] = '';
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}
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$server_socket = (empty($cfg['Server']['socket']))
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? ''
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: ':' . $cfg['Server']['socket'];
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$client_flags = 0;
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// always use CLIENT_LOCAL_FILES as defined in mysql_com.h
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// for the case where the client library was not compiled
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// with --enable-local-infile
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$client_flags |= 128;
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/* Optionally compress connection */
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if (defined('MYSQL_CLIENT_COMPRESS') && $cfg['Server']['compress']) {
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$client_flags |= MYSQL_CLIENT_COMPRESS;
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}
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/* Optionally enable SSL */
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if (defined('MYSQL_CLIENT_SSL') && $cfg['Server']['ssl']) {
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$client_flags |= MYSQL_CLIENT_SSL;
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}
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$link = PMA_DBI_real_connect($cfg['Server']['host'] . $server_port . $server_socket, $user, $password, empty($client_flags) ? NULL : $client_flags);
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// Retry with empty password if we're allowed to
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if (empty($link) && $cfg['Server']['nopassword'] && !$is_controluser) {
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$link = PMA_DBI_real_connect($cfg['Server']['host'] . $server_port . $server_socket, $user, '', empty($client_flags) ? NULL : $client_flags);
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}
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if (empty($link) && ! $is_controluser) {
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if ($is_controluser) {
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trigger_error($GLOBALS['strControluserFailed'], E_USER_WARNING);
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return false;
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}
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PMA_auth_fails();
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} // end if
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PMA_DBI_postConnect($link, $is_controluser);
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return $link;
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}
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/**
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* select a db
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*
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* @param string $dbname name of db to select
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* @param resource $link mysql link resource
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* @return boolean success
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*/
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function PMA_DBI_select_db($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 = $GLOBALS['userlink'];
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} else {
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return false;
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}
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}
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return mysql_select_db($dbname, $link);
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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 run
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* @param resource $link mysql link resource
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* @param integer $options
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* @return mixed
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*/
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function PMA_DBI_try_query($query, $link = null, $options = 0)
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{
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if (empty($link)) {
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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} else {
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return false;
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}
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}
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if ($options == ($options | PMA_DBI_QUERY_STORE)) {
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return @mysql_query($query, $link);
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} elseif ($options == ($options | PMA_DBI_QUERY_UNBUFFERED)) {
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return @mysql_unbuffered_query($query, $link);
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} else {
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return @mysql_query($query, $link);
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}
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}
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/**
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* The following function is meant for internal use only.
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* Do not call it from outside this library!
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*/
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function PMA_mysql_fetch_array($result, $type = false)
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{
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global $cfg, $allow_recoding, $charset, $convcharset;
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if ($type != false) {
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$data = mysql_fetch_array($result, $type);
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} else {
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$data = mysql_fetch_array($result);
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}
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return $data;
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}
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function PMA_DBI_fetch_array($result)
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{
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return PMA_mysql_fetch_array($result);
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}
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function PMA_DBI_fetch_assoc($result) {
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return PMA_mysql_fetch_array($result, MYSQL_ASSOC);
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}
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function PMA_DBI_fetch_row($result)
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{
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return PMA_mysql_fetch_array($result, MYSQL_NUM);
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}
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/**
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* Frees the memory associated with the results
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*
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* @param result $result,... one or more mysql result resources
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*/
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function PMA_DBI_free_result()
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{
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foreach (func_get_args() as $result) {
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if (is_resource($result)
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&& get_resource_type($result) === 'mysql result') {
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mysql_free_result($result);
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}
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}
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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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* @uses mysql_get_host_info()
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* @uses $GLOBALS['userlink'] as default for $link
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* @param resource $link mysql link
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* @return string type of connection used
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*/
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function PMA_DBI_get_host_info($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 = $GLOBALS['userlink'];
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} else {
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return false;
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}
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}
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return mysql_get_host_info($link);
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}
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/**
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* Returns the version of the MySQL protocol used
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* @uses mysql_get_proto_info()
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* @uses $GLOBALS['userlink'] as default for $link
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* @param resource $link mysql link
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* @return integer version of the MySQL protocol used
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*/
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function PMA_DBI_get_proto_info($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 = $GLOBALS['userlink'];
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} else {
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return false;
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}
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}
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return mysql_get_proto_info($link);
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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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* @uses mysql_get_client_info()
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* @return string MySQL client library version
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*/
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function PMA_DBI_get_client_info()
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{
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return mysql_get_client_info();
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}
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/**
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* returns last error message or false if no errors occured
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*
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* @uses PMA_DBI_convert_message()
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* @uses $GLOBALS['errno']
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* @uses $GLOBALS['userlink']
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* @uses $GLOBALS['strServerNotResponding']
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* @uses $GLOBALS['strSocketProblem']
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* @uses mysql_errno()
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* @uses mysql_error()
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* @uses defined()
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* @param resource $link mysql link
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* @return string|boolean $error or false
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*/
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function PMA_DBI_getError($link = null)
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{
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$GLOBALS['errno'] = 0;
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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. On the initial connection, we don't have a $link,
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// we don't have a $GLOBALS['userlink'], but we can catch the error code
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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 = mysql_errno($link);
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$error_message = mysql_error($link);
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} else {
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$error_number = mysql_errno();
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$error_message = mysql_error();
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}
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if (0 == $error_number) {
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return false;
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}
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// keep the error number for further check after the call to PMA_DBI_getError()
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$GLOBALS['errno'] = $error_number;
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if (! empty($error_message)) {
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$error_message = PMA_DBI_convert_message($error_message);
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}
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// Some errors messages cannot be obtained by mysql_error()
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if ($error_number == 2002) {
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$error = '#' . ((string) $error_number) . ' - ' . $GLOBALS['strServerNotResponding'] . ' ' . $GLOBALS['strSocketProblem'];
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} elseif ($error_number == 2003) {
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$error = '#' . ((string) $error_number) . ' - ' . $GLOBALS['strServerNotResponding'];
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} else {
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$error = '#' . ((string) $error_number) . ' - ' . $error_message;
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}
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return $error;
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}
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function PMA_DBI_close($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 = $GLOBALS['userlink'];
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} else {
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return false;
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}
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}
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return @mysql_close($link);
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}
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function PMA_DBI_num_rows($result)
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{
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if (!is_bool($result)) {
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return mysql_num_rows($result);
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} else {
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return 0;
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}
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}
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function PMA_DBI_insert_id($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 = $GLOBALS['userlink'];
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} else {
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return false;
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}
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}
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//$insert_id = mysql_insert_id($link);
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// if the primary key is BIGINT we get an incorrect result
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// (sometimes negative, sometimes positive)
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// and in the present function we don't know if the PK is BIGINT
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// so better play safe and use LAST_INSERT_ID()
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//
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// by the way, no problem with mysqli_insert_id()
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return PMA_DBI_fetch_value('SELECT LAST_INSERT_ID();', 0, 0, $link);
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}
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function PMA_DBI_affected_rows($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 = $GLOBALS['userlink'];
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} else {
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return false;
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}
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}
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return mysql_affected_rows($link);
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}
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/**
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* @todo add missing keys like in from mysqli_query (orgname, orgtable, flags, decimals)
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*/
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function PMA_DBI_get_fields_meta($result)
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{
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$fields = array();
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$num_fields = mysql_num_fields($result);
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for ($i = 0; $i < $num_fields; $i++) {
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$fields[] = mysql_fetch_field($result, $i);
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}
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return $fields;
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}
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function PMA_DBI_num_fields($result)
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{
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return mysql_num_fields($result);
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}
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function PMA_DBI_field_len($result, $i)
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{
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return mysql_field_len($result, $i);
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}
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function PMA_DBI_field_name($result, $i)
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{
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return mysql_field_name($result, $i);
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}
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function PMA_DBI_field_flags($result, $i)
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{
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return mysql_field_flags($result, $i);
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}
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?>
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