366 lines
11 KiB
PHP
366 lines
11 KiB
PHP
<?php
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/* $Id$ */
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// vim: 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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// MySQL client API
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if (!defined('PMA_MYSQL_CLIENT_API')) {
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if (function_exists('mysql_get_client_info')) {
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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($client_api);
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} else {
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define('PMA_MYSQL_CLIENT_API', 32332); // always expect the worst...
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}
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}
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function PMA_DBI_real_connect($server, $user, $password, $client_flags) {
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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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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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: ':' . $cfg['Server']['socket'];
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if (PMA_PHP_INT_VERSION >= 40300 && PMA_MYSQL_CLIENT_API >= 32349) {
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$client_flags = $cfg['Server']['compress'] && defined('MYSQL_CLIENT_COMPRESS') ? MYSQL_CLIENT_COMPRESS : 0;
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// always use CLIENT_LOCAL_FILES as defined in mysql_com.h
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// for the case where the client library was not compiled
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// with --enable-local-infile
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$client_flags |= 128;
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}
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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)) {
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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 $link;
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}
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function PMA_DBI_select_db($dbname, $link = null) {
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if (empty($link)) {
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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} else {
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return FALSE;
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}
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}
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if (PMA_MYSQL_INT_VERSION < 40100) {
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$dbname = PMA_convert_charset($dbname);
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}
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return mysql_select_db($dbname, $link);
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}
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function PMA_DBI_try_query($query, $link = null, $options = 0) {
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if (empty($link)) {
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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} else {
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return FALSE;
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}
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}
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if (defined('PMA_MYSQL_INT_VERSION') && PMA_MYSQL_INT_VERSION < 40100) {
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$query = PMA_convert_charset($query);
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}
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if ($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, $link);
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}
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}
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// The following function is meant for internal use only.
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// Do not call it from outside this library!
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function PMA_mysql_fetch_array($result, $type = FALSE) {
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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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/* No data returned => do not touch it */
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if (! $data) {
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return $data;
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}
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if (!defined('PMA_MYSQL_INT_VERSION') || PMA_MYSQL_INT_VERSION >= 40100
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|| !(isset($cfg['AllowAnywhereRecoding']) && $cfg['AllowAnywhereRecoding'] && $allow_recoding)) {
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/* No recoding -> return data as we got them */
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return $data;
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} else {
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$ret = array();
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$num = mysql_num_fields($result);
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$i = 0;
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for ($i = 0; $i < $num; $i++) {
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$name = mysql_field_name($result, $i);
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$flags = mysql_field_flags($result, $i);
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/* Field is BINARY (either marked manually, or it is BLOB) => do not convert it */
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if (stristr($flags, 'BINARY')) {
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if (isset($data[$i])) {
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$ret[$i] = $data[$i];
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}
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if (isset($data[$name])) {
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$ret[PMA_convert_display_charset($name)] = $data[$name];
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}
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} else {
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if (isset($data[$i])) {
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$ret[$i] = PMA_convert_display_charset($data[$i]);
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}
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if (isset($data[$name])) {
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$ret[PMA_convert_display_charset($name)] = PMA_convert_display_charset($data[$name]);
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}
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}
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}
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return $ret;
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}
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}
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function PMA_DBI_fetch_array($result) {
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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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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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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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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_MYSQL_INT_VERSION
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* @uses PMA_convert_display_charset()
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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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unset($GLOBALS['errno']);
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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) . ' - ' . $GLOBALS['strServerNotResponding'];
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} elseif (defined('PMA_MYSQL_INT_VERSION') && PMA_MYSQL_INT_VERSION >= 40100) {
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$error = '#' . ((string) $error_number) . ' - ' . $error_message;
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} else {
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$error = '#' . ((string) $error_number) . ' - ' . PMA_convert_display_charset($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($result) {
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if (!is_bool($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 = $GLOBALS['userlink'];
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} else {
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return FALSE;
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}
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}
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return mysql_insert_id($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($result) {
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$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[] = PMA_convert_display_charset(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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return mysql_num_fields($result);
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}
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function PMA_DBI_field_len($result, $i) {
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return mysql_field_len($result, $i);
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}
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function PMA_DBI_field_name($result, $i) {
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return mysql_field_name($result, $i);
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}
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function PMA_DBI_field_flags($result, $i) {
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return PMA_convert_display_charset(mysql_field_flags($result, $i));
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}
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?>
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