Viewing file:  mysql.dbi.lib.php (10.15 KB) -rw-r--r--
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<?php
/* $Id: mysql.dbi.lib.php,v 2.43 2006/01/17 17:03:02 cybot_tm Exp $ */
// vim: expandtab sw=4 ts=4 sts=4:
/**
* Interface to the classic MySQL extension
*/
// MySQL client API
if (!defined('PMA_MYSQL_CLIENT_API')) {
if (function_exists('mysql_get_client_info')) {
$client_api = explode('.', mysql_get_client_info());
define('PMA_MYSQL_CLIENT_API', (int)sprintf('%d%02d%02d', $client_api[0], $client_api[1], intval($client_api[2])));
unset($client_api);
} else {
define('PMA_MYSQL_CLIENT_API', 32332); // always expect the worst...
}
}
function PMA_DBI_connect($user, $password, $is_controluser = FALSE) {
global $cfg, $php_errormsg;
$server_port = (empty($cfg['Server']['port']))
? ''
: ':' . $cfg['Server']['port'];
if (strtolower($cfg['Server']['connect_type']) == 'tcp') {
$cfg['Server']['socket'] = '';
}
$server_socket = (empty($cfg['Server']['socket']))
? ''
: ':' . $cfg['Server']['socket'];
if (PMA_PHP_INT_VERSION >= 40300 && PMA_MYSQL_CLIENT_API >= 32349) {
$client_flags = $cfg['Server']['compress'] && defined('MYSQL_CLIENT_COMPRESS') ? MYSQL_CLIENT_COMPRESS : 0;
// always use CLIENT_LOCAL_FILES as defined in mysql_com.h
// for the case where the client library was not compiled
// with --enable-local-infile
$client_flags |= 128;
}
if (empty($client_flags)) {
$connect_func = 'mysql_' . ($cfg['PersistentConnections'] ? 'p' : '') . 'connect';
$link = @$connect_func($cfg['Server']['host'] . $server_port . $server_socket, $user, $password);
} else {
if ($cfg['PersistentConnections']) {
$link = @mysql_pconnect($cfg['Server']['host'] . $server_port . $server_socket, $user, $password, $client_flags);
} else {
$link = @mysql_connect($cfg['Server']['host'] . $server_port . $server_socket, $user, $password, FALSE, $client_flags);
}
}
if (empty($link)) {
PMA_auth_fails();
} // end if
PMA_DBI_postConnect($link, $is_controluser);
return $link;
}
function PMA_DBI_select_db($dbname, $link = null) {
if (empty($link)) {
if (isset($GLOBALS['userlink'])) {
$link = $GLOBALS['userlink'];
} else {
return FALSE;
}
}
if (PMA_MYSQL_INT_VERSION < 40100) {
$dbname = PMA_convert_charset($dbname);
}
return mysql_select_db($dbname, $link);
}
function PMA_DBI_try_query($query, $link = null, $options = 0) {
if (empty($link)) {
if (isset($GLOBALS['userlink'])) {
$link = $GLOBALS['userlink'];
} else {
return FALSE;
}
}
if (defined('PMA_MYSQL_INT_VERSION') && PMA_MYSQL_INT_VERSION < 40100) {
$query = PMA_convert_charset($query);
}
if ($options == ($options | PMA_DBI_QUERY_STORE)) {
return @mysql_query($query, $link);
} elseif ($options == ($options | PMA_DBI_QUERY_UNBUFFERED)) {
return @mysql_unbuffered_query($query, $link);
} else {
return @mysql_query($query, $link);
}
}
// The following function is meant for internal use only.
// Do not call it from outside this library!
function PMA_mysql_fetch_array($result, $type = FALSE) {
global $cfg, $allow_recoding, $charset, $convcharset;
if ($type != FALSE) {
$data = mysql_fetch_array($result, $type);
} else {
$data = mysql_fetch_array($result);
}
/* No data returned => do not touch it */
if (! $data) {
return $data;
}
if (!defined('PMA_MYSQL_INT_VERSION') || PMA_MYSQL_INT_VERSION >= 40100
|| !(isset($cfg['AllowAnywhereRecoding']) && $cfg['AllowAnywhereRecoding'] && $allow_recoding)) {
/* No recoding -> return data as we got them */
return $data;
} else {
$ret = array();
$num = mysql_num_fields($result);
$i = 0;
for ($i = 0; $i < $num; $i++) {
$name = mysql_field_name($result, $i);
$flags = mysql_field_flags($result, $i);
/* Field is BINARY (either marked manually, or it is BLOB) => do not convert it */
if (stristr($flags, 'BINARY')) {
if (isset($data[$i])) {
$ret[$i] = $data[$i];
}
if (isset($data[$name])) {
$ret[PMA_convert_display_charset($name)] = $data[$name];
}
} else {
if (isset($data[$i])) {
$ret[$i] = PMA_convert_display_charset($data[$i]);
}
if (isset($data[$name])) {
$ret[PMA_convert_display_charset($name)] = PMA_convert_display_charset($data[$name]);
}
}
}
return $ret;
}
}
function PMA_DBI_fetch_array($result) {
return PMA_mysql_fetch_array($result);
}
function PMA_DBI_fetch_assoc($result) {
return PMA_mysql_fetch_array($result, MYSQL_ASSOC);
}
function PMA_DBI_fetch_row($result) {
return PMA_mysql_fetch_array($result, MYSQL_NUM);
}
/**
* Frees the memory associated with the results
*
* @param result $result,... one or more mysql result resources
*/
function PMA_DBI_free_result() {
foreach ( func_get_args() as $result ) {
if ( is_resource($result)
&& get_resource_type($result) === 'mysql result' ) {
mysql_free_result($result);
}
}
}
/**
* Returns a string representing the type of connection used
* @uses mysql_get_host_info()
* @uses $GLOBALS['userlink'] as default for $link
* @param resource $link mysql link
* @return string type of connection used
*/
function PMA_DBI_get_host_info($link = null)
{
if (null === $link) {
if (isset($GLOBALS['userlink'])) {
$link = $GLOBALS['userlink'];
} else {
return false;
}
}
return mysql_get_host_info($link);
}
/**
* Returns the version of the MySQL protocol used
* @uses mysql_get_proto_info()
* @uses $GLOBALS['userlink'] as default for $link
* @param resource $link mysql link
* @return integer version of the MySQL protocol used
*/
function PMA_DBI_get_proto_info($link = null)
{
if (null === $link) {
if (isset($GLOBALS['userlink'])) {
$link = $GLOBALS['userlink'];
} else {
return false;
}
}
return mysql_get_proto_info($link);
}
/**
* returns a string that represents the client library version
* @uses mysql_get_client_info()
* @return string MySQL client library version
*/
function PMA_DBI_get_client_info() {
return mysql_get_client_info();
}
/**
* returns last error message or false if no errors occured
*
* @uses PMA_MYSQL_INT_VERSION
* @uses PMA_convert_display_charset()
* @uses PMA_DBI_convert_message()
* @uses $GLOBALS['errno']
* @uses $GLOBALS['userlink']
* @uses $GLOBALS['strServerNotResponding']
* @uses $GLOBALS['strSocketProblem']
* @uses mysql_errno()
* @uses mysql_error()
* @uses defined()
* @param resource $link mysql link
* @return string|boolean $error or false
*/
function PMA_DBI_getError($link = null)
{
unset($GLOBALS['errno']);
if (null === $link && isset($GLOBALS['userlink'])) {
$link =& $GLOBALS['userlink'];
// Do not stop now. On the initial connection, we don't have a $link,
// we don't have a $GLOBALS['userlink'], but we can catch the error code
// } else {
// return FALSE;
}
if (null !== $link) {
$error_number = mysql_errno($link);
$error_message = mysql_error($link);
} else {
$error_number = mysql_errno();
$error_message = mysql_error();
}
if (0 == $error_number) {
return false;
}
// keep the error number for further check after the call to PMA_DBI_getError()
$GLOBALS['errno'] = $error_number;
if (! empty($error_message)) {
$error_message = PMA_DBI_convert_message($error_message);
}
// Some errors messages cannot be obtained by mysql_error()
if ($error_number == 2002) {
$error = '#' . ((string) $error_number) . ' - ' . $GLOBALS['strServerNotResponding'] . ' ' . $GLOBALS['strSocketProblem'];
} elseif ($error_number == 2003 ) {
$error = '#' . ((string) $error_number) . ' - ' . $GLOBALS['strServerNotResponding'];
} elseif (defined('PMA_MYSQL_INT_VERSION') && PMA_MYSQL_INT_VERSION >= 40100) {
$error = '#' . ((string) $error_number) . ' - ' . $error_message;
} else {
$error = '#' . ((string) $error_number) . ' - ' . PMA_convert_display_charset($error_message);
}
return $error;
}
function PMA_DBI_close($link = null)
{
if (empty($link)) {
if (isset($GLOBALS['userlink'])) {
$link = $GLOBALS['userlink'];
} else {
return FALSE;
}
}
return @mysql_close($link);
}
function PMA_DBI_num_rows($result) {
if (!is_bool($result)) {
return mysql_num_rows($result);
} else {
return 0;
}
}
function PMA_DBI_insert_id($link = null)
{
if (empty($link)) {
if (isset($GLOBALS['userlink'])) {
$link = $GLOBALS['userlink'];
} else {
return FALSE;
}
}
return mysql_insert_id($link);
}
function PMA_DBI_affected_rows($link = null)
{
if (empty($link)) {
if (isset($GLOBALS['userlink'])) {
$link = $GLOBALS['userlink'];
} else {
return FALSE;
}
}
return mysql_affected_rows($link);
}
function PMA_DBI_get_fields_meta($result) {
$fields = array();
$num_fields = mysql_num_fields($result);
for ($i = 0; $i < $num_fields; $i++) {
$fields[] = PMA_convert_display_charset(mysql_fetch_field($result, $i));
}
return $fields;
}
function PMA_DBI_num_fields($result) {
return mysql_num_fields($result);
}
function PMA_DBI_field_len($result, $i) {
return mysql_field_len($result, $i);
}
function PMA_DBI_field_name($result, $i) {
return mysql_field_name($result, $i);
}
function PMA_DBI_field_flags($result, $i) {
return PMA_convert_display_charset(mysql_field_flags($result, $i));
}
?>
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