374 lines
13 KiB
PHP
374 lines
13 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 improved MySQL extension (MySQLi)
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*/
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/**
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* Loads the MySQLi extension if it is not loaded yet
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*/
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if (!@function_exists('mysqli_connect')) {
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PMA_dl('mysqli');
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}
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// check whether mysql is available
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if (!@function_exists('mysqli_connect')) {
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require_once('./libraries/header_http.inc.php');
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echo sprintf($strCantLoad, 'mysqli') . '<br />' . "\n"
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. '<a href="./Documentation.html#faqmysql" target="documentation">' . $GLOBALS['strDocu'] . '</a>' . "\n";
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exit;
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}
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// MySQL client API
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if (!defined('PMA_MYSQL_CLIENT_API')) {
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$client_api = explode('.', mysqli_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($client_api);
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}
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// Constants from mysql_com.h of MySQL 4.1.3
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define('NOT_NULL_FLAG', 1);
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define('PRI_KEY_FLAG', 2);
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define('UNIQUE_KEY_FLAG', 4);
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define('MULTIPLE_KEY_FLAG', 8);
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define('BLOB_FLAG', 16);
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define('UNSIGNED_FLAG', 32);
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define('ZEROFILL_FLAG', 64);
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define('BINARY_FLAG', 128);
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define('ENUM_FLAG', 256);
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define('AUTO_INCREMENT_FLAG', 512);
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define('TIMESTAMP_FLAG', 1024);
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define('SET_FLAG', 2048);
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define('NUM_FLAG', 32768);
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define('PART_KEY_FLAG', 16384);
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define('UNIQUE_FLAG', 65536);
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function PMA_DBI_connect($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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? FALSE
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: (int) $cfg['Server']['port'];
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if (strtolower($cfg['Server']['connect_type']) == 'tcp') {
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$cfg['Server']['socket'] = '';
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}
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// NULL enables connection to the default socket
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$server_socket = (empty($cfg['Server']['socket']))
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? NULL
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: $cfg['Server']['socket'];
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$link = mysqli_init();
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mysqli_options($link, MYSQLI_OPT_LOCAL_INFILE, TRUE);
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$client_flags = $cfg['Server']['compress'] && defined('MYSQLI_CLIENT_COMPRESS') ? MYSQLI_CLIENT_COMPRESS : 0;
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$return_value = @mysqli_real_connect($link, $cfg['Server']['host'], $user, $password, FALSE, $server_port, $server_socket, $client_flags);
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if ($return_value == FALSE) {
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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($dbname);
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}
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return mysqli_select_db($link, $dbname);
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}
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function PMA_DBI_try_query($query, $link = NULL, $options = 0) {
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if ($options == ($options | PMA_DBI_QUERY_STORE)) {
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$method = MYSQLI_STORE_RESULT;
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} elseif ($options == ($options | PMA_DBI_QUERY_UNBUFFERED)) {
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$method = MYSQLI_USE_RESULT;
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} else {
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$method = MYSQLI_USE_RESULT;
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}
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if (empty($link)) {
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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} else {
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return FALSE;
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}
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}
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if (defined('PMA_MYSQL_INT_VERSION') && PMA_MYSQL_INT_VERSION < 40100) {
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$query = PMA_convert_charset($query);
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}
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return mysqli_query($link, $query, $method);
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// From the PHP manual:
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// "note: returns TRUE on success or FALSE on failure. For SELECT,
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// SHOW, DESCRIBE or EXPLAIN, mysqli_query() will return a result object"
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// so, do not use the return value to feed mysqli_num_rows() if it's
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// a boolean
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}
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// The following function is meant for internal use only.
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// Do not call it from outside this library!
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function PMA_mysqli_fetch_array($result, $type = FALSE) {
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global $cfg, $allow_recoding, $charset, $convcharset;
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if ($type != FALSE) {
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$data = @mysqli_fetch_array($result, $type);
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} else {
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$data = @mysqli_fetch_array($result);
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}
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/* No data returned => do not touch it */
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if (! $data) return $data;
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if (!defined('PMA_MYSQL_INT_VERSION') || PMA_MYSQL_INT_VERSION >= 40100
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|| !(isset($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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$num = mysqli_num_fields($result);
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if ($num > 0) {
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$fields = PMA_DBI_get_fields_meta($result);
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}
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$i = 0;
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for ($i = 0; $i < $num; $i++) {
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if (!isset($fields[$i]->type)) {
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/* No meta information available -> we guess that it should be converted */
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if (isset($data[$i])) {
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$ret[$i] = PMA_convert_display_charset($data[$i]);
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}
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if (isset($fields[$i]->name) && isset($data[$fields[$i]->name])) {
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$ret[PMA_convert_display_charset($fields[$i]->name)] = PMA_convert_display_charset($data[$fields[$i]->name]);
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}
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} else {
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/* Meta information available -> check type of field and convert it according to the type */
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if (stristr($fields[$i]->type, 'BLOB') || stristr($fields[$i]->type, '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($data[$fields[$i]->name])) {
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$ret[PMA_convert_display_charset($fields[$i]->name)] = $data[$fields[$i]->name];
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}
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} else {
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if (isset($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[$fields[$i]->name])) {
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$ret[PMA_convert_display_charset($fields[$i]->name)] = PMA_convert_display_charset($data[$fields[$i]->name]);
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}
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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_mysqli_fetch_array($result, MYSQLI_BOTH);
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}
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function PMA_DBI_fetch_assoc($result) {
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return PMA_mysqli_fetch_array($result, MYSQLI_ASSOC);
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}
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function PMA_DBI_fetch_row($result) {
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return PMA_mysqli_fetch_array($result, MYSQLI_NUM);
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}
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function PMA_DBI_free_result($result) {
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if (!is_bool($result)) {
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return mysqli_free_result($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_getError($link = NULL) {
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unset($GLOBALS['errno']);
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if (empty($link)) {
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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// Do not stop now. We still can get the error code
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// with mysqli_connect_errno()
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// } else {
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// return FALSE;
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}
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}
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if (mysqli_connect_errno()) {
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$error = mysqli_connect_errno();
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$error_message = mysqli_connect_error();
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} elseif ( !empty($link) && mysqli_errno($link)) {
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$error = mysqli_errno($link);
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$error_message = mysqli_error($link);
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}
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// keep the error number for further check after the call to PMA_DBI_getError()
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if (!empty($error)) {
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$GLOBALS['errno'] = $error;
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} else {
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return FALSE;
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}
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if ($error && $error == 2002) {
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$error = '#' . ((string) $error) . ' - ' . $GLOBALS['strServerNotResponding'] . ' ' . $GLOBALS['strSocketProblem'];
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} elseif ($error && defined('PMA_MYSQL_INT_VERSION') && PMA_MYSQL_INT_VERSION >= 40100) {
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$error = '#' . ((string) $error) . ' - ' . $error_message;
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} elseif ($error) {
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$error = '#' . ((string) $error) . ' - ' . PMA_convert_display_charset($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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if (empty($link)) {
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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} else {
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return FALSE;
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}
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}
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return @mysqli_close($link);
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}
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function PMA_DBI_num_rows($result) {
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// see the note for PMA_DBI_try_query();
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if (!is_bool($result)) {
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return @mysqli_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 = '') {
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if (empty($link)) {
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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} else {
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return FALSE;
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}
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}
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return mysqli_insert_id($link);
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}
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function PMA_DBI_affected_rows($link = NULL) {
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if (empty($link)) {
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if (isset($GLOBALS['userlink'])) {
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$link = $GLOBALS['userlink'];
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} else {
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return FALSE;
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}
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}
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return mysqli_affected_rows($link);
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}
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function PMA_DBI_get_fields_meta($result) {
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// Build an associative array for a type look up
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$typeAr = Array();
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$typeAr[MYSQLI_TYPE_DECIMAL] = 'real';
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$typeAr[MYSQLI_TYPE_TINY] = 'int';
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$typeAr[MYSQLI_TYPE_SHORT] = 'int';
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$typeAr[MYSQLI_TYPE_LONG] = 'int';
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$typeAr[MYSQLI_TYPE_FLOAT] = 'real';
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$typeAr[MYSQLI_TYPE_DOUBLE] = 'real';
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$typeAr[MYSQLI_TYPE_NULL] = 'null';
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$typeAr[MYSQLI_TYPE_TIMESTAMP] = 'timestamp';
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$typeAr[MYSQLI_TYPE_LONGLONG] = 'int';
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$typeAr[MYSQLI_TYPE_INT24] = 'int';
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$typeAr[MYSQLI_TYPE_DATE] = 'date';
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$typeAr[MYSQLI_TYPE_TIME] = 'time';
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$typeAr[MYSQLI_TYPE_DATETIME] = 'datetime';
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$typeAr[MYSQLI_TYPE_YEAR] = 'year';
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$typeAr[MYSQLI_TYPE_NEWDATE] = 'date';
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$typeAr[MYSQLI_TYPE_ENUM] = 'unknown';
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$typeAr[MYSQLI_TYPE_SET] = 'unknown';
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$typeAr[MYSQLI_TYPE_TINY_BLOB] = 'blob';
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$typeAr[MYSQLI_TYPE_MEDIUM_BLOB] = 'blob';
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$typeAr[MYSQLI_TYPE_LONG_BLOB] = 'blob';
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$typeAr[MYSQLI_TYPE_BLOB] = 'blob';
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$typeAr[MYSQLI_TYPE_VAR_STRING] = 'string';
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$typeAr[MYSQLI_TYPE_STRING] = 'string';
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$typeAr[MYSQLI_TYPE_CHAR] = 'string';
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$typeAr[MYSQLI_TYPE_GEOMETRY] = 'unknown';
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$fields = mysqli_fetch_fields($result);
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// this happens sometimes (seen under MySQL 4.0.25)
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if (!is_array($fields)) {
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return FALSE;
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}
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foreach ($fields as $k => $field) {
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$fields[$k]->type = $typeAr[$fields[$k]->type];
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$fields[$k]->flags = PMA_DBI_field_flags($result, $k);
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// Enhance the field objects for mysql-extension compatibilty
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$flags = explode(' ', $fields[$k]->flags);
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array_unshift($flags, 'dummy');
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$fields[$k]->multiple_key = (int)(array_search('multiple_key', $flags, true) > 0);
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$fields[$k]->primary_key = (int)(array_search('primary_key', $flags, true) > 0);
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$fields[$k]->unique_key = (int)(array_search('unique_key', $flags, true) > 0);
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$fields[$k]->not_null = (int)(array_search('not_null', $flags, true) > 0);
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$fields[$k]->unsigned = (int)(array_search('unsigned', $flags, true) > 0);
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$fields[$k]->zerofill = (int)(array_search('zerofill', $flags, true) > 0);
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$fields[$k]->numeric = (int)(array_search('num', $flags, true) > 0);
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$fields[$k]->blob = (int)(array_search('blob', $flags, true) > 0);
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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 mysqli_num_fields($result);
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}
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function PMA_DBI_field_len($result, $i) {
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$info = mysqli_fetch_field_direct($result, $i);
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// stdClass::$length will be integrated in
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// mysqli-ext when mysql4.1 has been released.
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return @$info->length;
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}
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function PMA_DBI_field_name($result, $i) {
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$info = mysqli_fetch_field_direct($result, $i);
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return $info->name;
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}
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function PMA_DBI_field_flags($result, $i) {
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$f = mysqli_fetch_field_direct($result, $i);
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$f = $f->flags;
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$flags = '';
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if ($f & UNIQUE_FLAG) { $flags .= 'unique ';}
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if ($f & NUM_FLAG) { $flags .= 'num ';}
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if ($f & PART_KEY_FLAG) { $flags .= 'part_key ';}
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if ($f & SET_FLAG) { $flags .= 'set ';}
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if ($f & TIMESTAMP_FLAG) { $flags .= 'timestamp ';}
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if ($f & AUTO_INCREMENT_FLAG) { $flags .= 'auto_increment ';}
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if ($f & ENUM_FLAG) { $flags .= 'enum ';}
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if ($f & BINARY_FLAG) { $flags .= 'binary ';}
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if ($f & ZEROFILL_FLAG) { $flags .= 'zerofill ';}
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if ($f & UNSIGNED_FLAG) { $flags .= 'unsigned ';}
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if ($f & BLOB_FLAG) { $flags .= 'blob ';}
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if ($f & MULTIPLE_KEY_FLAG) { $flags .= 'multiple_key ';}
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if ($f & UNIQUE_KEY_FLAG) { $flags .= 'unique_key ';}
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if ($f & PRI_KEY_FLAG) { $flags .= 'primary_key ';}
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if ($f & NOT_NULL_FLAG) { $flags .= 'not_null ';}
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return PMA_convert_display_charset(trim($flags));
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}
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?>
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