70 lines
1.7 KiB
PHP
70 lines
1.7 KiB
PHP
<?php
|
|
|
|
/**
|
|
* [Discuz!] (C)2001-2099 Comsenz Inc.
|
|
* This is NOT a freeware, use is subject to license terms
|
|
*
|
|
* $Id: helper_dbtool.php 36319 2016-12-20 02:03:23Z nemohou $
|
|
*/
|
|
if (!defined('IN_DISCUZ')) {
|
|
exit('Access Denied');
|
|
}
|
|
|
|
class helper_dbtool {
|
|
|
|
public static function dbversion() {
|
|
$db = & DB::object();
|
|
return $db->version();
|
|
}
|
|
|
|
public static function dbsize() {
|
|
$dbsize = 0;
|
|
$query = DB::query("SHOW TABLE STATUS LIKE '".getglobal('config/db/1/tablepre')."%'", 'SILENT');
|
|
while($table = DB::fetch($query)) {
|
|
$dbsize += $table['Data_length'] + $table['Index_length'];
|
|
}
|
|
return $dbsize;
|
|
}
|
|
|
|
public static function gettablestatus($tablename, $formatsize = true) {
|
|
$status = DB::fetch_first("SHOW TABLE STATUS LIKE '".str_replace('_', '\_', $tablename)."'");
|
|
|
|
if($formatsize) {
|
|
$status['Data_length'] = sizecount($status['Data_length']);
|
|
$status['Index_length'] = sizecount($status['Index_length']);
|
|
}
|
|
|
|
return $status;
|
|
}
|
|
|
|
public static function showtablecloumn($tablename) {
|
|
$data = array();
|
|
$db = &DB::object();
|
|
if($db->version() > '4.1') {
|
|
$query = $db->query("SHOW FULL COLUMNS FROM ".DB::table($tablename), 'SILENT');
|
|
} else {
|
|
$query = $db->query("SHOW COLUMNS FROM ".DB::table($tablename), 'SILENT');
|
|
}
|
|
while($field = @DB::fetch($query)) {
|
|
$data[$field['Field']] = $field;
|
|
}
|
|
return $data;
|
|
}
|
|
|
|
public static function isexisttable($tablename) {
|
|
$tablearr = array();
|
|
$query = DB::query('SHOW TABLES', 'SILENT');
|
|
while($table = DB::fetch($query)) {
|
|
foreach($table as $value) {
|
|
$tablearr[] = $value;
|
|
}
|
|
}
|
|
if(in_array(DB::table($tablename), $tablearr)) {
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
?>
|