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<?php
/* $Id: database_interface.lib.php,v 2.18 2005/03/24 20:57:00 rabus Exp $ */
// vim: expandtab sw=4 ts=4 sts=4:
/**
* Common Option Constants For DBI Functions
*/
// PMA_DBI_try_query()
define('PMA_DBI_QUERY_STORE', 1); // Force STORE_RESULT method, ignored by classic MySQL.
define('PMA_DBI_QUERY_UNBUFFERED', 2); // Do not read whole query
// PMA_DBI_get_variable()
define('PMA_DBI_GETVAR_SESSION', 1);
define('PMA_DBI_GETVAR_GLOBAL', 2);
/**
* Including The DBI Plugin
*/
require_once('./libraries/dbi/' . $cfg['Server']['extension'] . '.dbi.lib.php');
/**
* Common Functions
*/
function PMA_DBI_query($query, $link = NULL, $options = 0) {
$res = PMA_DBI_try_query($query, $link, $options)
or PMA_mysqlDie(PMA_DBI_getError($link), $query);
return $res;
}
function PMA_DBI_get_dblist($link = NULL) {
if (empty($link)) {
if (isset($GLOBALS['userlink'])) {
$link = $GLOBALS['userlink'];
} else {
return FALSE;
}
}
$res = PMA_DBI_try_query('SHOW DATABASES;', $link);
$dbs_array = array();
while ($row = PMA_DBI_fetch_row($res)) {
// Before MySQL 4.0.2, SHOW DATABASES could send the
// whole list, so check if we really have access:
//if (PMA_MYSQL_CLIENT_API < 40002) {
// Better check the server version, in case the client API
// is more recent than the server version
if (PMA_MYSQL_INT_VERSION < 40002) {
$dblink = @PMA_DBI_select_db($row[0], $link);
if (!$dblink) {
continue;
}
}
$dbs_array[] = $row[0];
}
PMA_DBI_free_result($res);
unset($res);
return $dbs_array;
}
function PMA_DBI_get_tables($database, $link = NULL) {
$result = PMA_DBI_query('SHOW TABLES FROM ' . PMA_backquote($database) . ';', NULL, PMA_DBI_QUERY_STORE);
$tables = array();
while (list($current) = PMA_DBI_fetch_row($result)) {
$tables[] = $current;
}
PMA_DBI_free_result($result);
return $tables;
}
function PMA_DBI_get_fields($database, $table, $link = NULL) {
if (empty($link)) {
if (isset($GLOBALS['userlink'])) {
$link = $GLOBALS['userlink'];
} else {
return FALSE;
}
}
// here we use a try_query because when coming from
// tbl_create + tbl_properties.inc.php, the table does not exist
$result = PMA_DBI_try_query('SHOW FULL FIELDS FROM ' . PMA_backquote($database) . '.' . PMA_backquote($table), $link);
if (!$result) {
return FALSE;
}
$fields = array();
while ($row = PMA_DBI_fetch_assoc($result)) {
$fields[] = $row;
}
return $fields;
}
function PMA_DBI_get_variable($var, $type = PMA_DBI_GETVAR_SESSION, $link = NULL) {
if ($link === NULL) {
if (isset($GLOBALS['userlink'])) {
$link = $GLOBALS['userlink'];
} else {
return FALSE;
}
}
if (PMA_MYSQL_INT_VERSION < 40002) {
$type = 0;
}
switch ($type) {
case PMA_DBI_GETVAR_SESSION:
$modifier = ' SESSION';
break;
case PMA_DBI_GETVAR_GLOBAL:
$modifier = ' GLOBAL';
break;
default:
$modifier = '';
}
$res = PMA_DBI_query('SHOW' . $modifier . ' VARIABLES LIKE \'' . $var . '\';', $link);
$row = PMA_DBI_fetch_row($res);
PMA_DBI_free_result($res);
if (empty($row)) {
return FALSE;
} else {
return $row[0] == $var ? $row[1] : FALSE;
}
}
function PMA_DBI_postConnect($link, $is_controluser = FALSE) {
global $collation_connection, $charset_connection;
if (!defined('PMA_MYSQL_INT_VERSION')) {
$result = PMA_DBI_query('SELECT VERSION() AS version', $link, PMA_DBI_QUERY_STORE);
if ($result != FALSE && @PMA_DBI_num_rows($result) > 0) {
$row = PMA_DBI_fetch_row($result);
$match = explode('.', $row[0]);
PMA_DBI_free_result($result);
}
if (!isset($row)) {
define('PMA_MYSQL_INT_VERSION', 32332);
define('PMA_MYSQL_STR_VERSION', '3.23.32');
} else{
define('PMA_MYSQL_INT_VERSION', (int)sprintf('%d%02d%02d', $match[0], $match[1], intval($match[2])));
define('PMA_MYSQL_STR_VERSION', $row[0]);
unset($result, $row, $match);
}
}
if (PMA_MYSQL_INT_VERSION >= 40100) {
// If $lang is defined and we are on MySQL >= 4.1.x,
// we auto-switch the lang to its UTF-8 version (if it exists)
if (!empty($GLOBALS['lang']) && (substr($GLOBALS['lang'], -5) != 'utf-8')) {
$lang_utf_8_version = substr($GLOBALS['lang'], 0, strpos($GLOBALS['lang'], '-')) . '-utf-8';
if (!empty($GLOBALS['available_languages'][$lang_utf_8_version])) {
$GLOBALS['lang'] = $lang_utf_8_version;
$GLOBALS['charset'] = $charset = 'utf-8';
}
}
// and we remove the non-UTF-8 choices to avoid confusion
if (!defined('PMA_REMOVED_NON_UTF_8')) {
$tmp_available_languages = $GLOBALS['available_languages'];
$GLOBALS['available_languages'] = array();
foreach ($tmp_available_languages AS $tmp_lang => $tmp_lang_data) {
if (substr($tmp_lang, -5) == 'utf-8') {
$GLOBALS['available_languages'][$tmp_lang] = $tmp_lang_data;
}
} // end foreach
unset($tmp_lang, $tmp_lang_data, $tmp_available_languages);
define('PMA_REMOVED_NON_UTF_8',1);
}
$mysql_charset = $GLOBALS['mysql_charset_map'][$GLOBALS['charset']];
if ($is_controluser || empty($collation_connection) || (strpos($collation_connection, '_') ? substr($collation_connection, 0, strpos($collation_connection, '_')) : $collation_connection) == $mysql_charset) {
PMA_DBI_query('SET NAMES ' . $mysql_charset . ';', $link, PMA_DBI_QUERY_STORE);
} else {
PMA_DBI_query('SET CHARACTER SET ' . $mysql_charset . ';', $link, PMA_DBI_QUERY_STORE);
}
if (!empty($collation_connection)) {
PMA_DBI_query('SET collation_connection = \'' . $collation_connection . '\';', $link, PMA_DBI_QUERY_STORE);
}
if (!$is_controluser) {
$collation_connection = PMA_DBI_get_variable('collation_connection', PMA_DBI_GETVAR_SESSION, $link);
$charset_connection = PMA_DBI_get_variable('character_set_connection', PMA_DBI_GETVAR_SESSION, $link);
}
// Add some field types to the list
// (we pass twice here; feel free to code something better :)
if (!defined('PMA_ADDED_FIELD_TYPES')) {
$GLOBALS['cfg']['ColumnTypes'][] = 'BINARY';
$GLOBALS['cfg']['ColumnTypes'][] = 'VARBINARY';
define('PMA_ADDED_FIELD_TYPES',1);
}
} else {
require_once('./libraries/charset_conversion.lib.php');
}
}
?>
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