145 lines
3.4 KiB
PHP
145 lines
3.4 KiB
PHP
<?php
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/*
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[Discuz!] (C)2001-2099 Comsenz Inc.
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This is NOT a freeware, use is subject to license terms
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$Id: db.class.php 1152 2013-05-28 09:11:04Z kamichen $
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*/
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if(!defined('IN_COMSENZ')) {
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exit('Access Denied');
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}
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class dbstuff {
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var $querynum = 0;
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var $link;
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var $histories;
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var $time;
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var $tablepre;
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function connect($dbhost, $dbuser, $dbpw, $dbname = '', $dbcharset, $pconnect = 0, $tablepre='', $time = 0) {
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$this->time = $time;
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$this->tablepre = $tablepre;
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if($pconnect) {
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if(!$this->link = mysql_pconnect($dbhost, $dbuser, $dbpw)) {
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$this->halt('Can not connect to MySQL server');
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}
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} else {
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if(!$this->link = mysql_connect($dbhost, $dbuser, $dbpw, 1)) {
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$this->halt('Can not connect to MySQL server');
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}
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}
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if($this->version() > '4.1') {
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if($dbcharset) {
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mysql_query("SET character_set_connection=".$dbcharset.", character_set_results=".$dbcharset.", character_set_client=binary", $this->link);
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}
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if($this->version() > '5.0.1') {
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mysql_query("SET sql_mode=''", $this->link);
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}
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}
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if($dbname) {
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mysql_select_db($dbname, $this->link);
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}
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}
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function fetch_array($query, $result_type = MYSQL_ASSOC) {
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return mysql_fetch_array($query, $result_type);
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}
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function result_first($sql, &$data) {
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$query = $this->query($sql);
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$data = $this->result($query, 0);
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}
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function fetch_first($sql, &$arr) {
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$query = $this->query($sql);
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$arr = $this->fetch_array($query);
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}
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function fetch_all($sql, &$arr) {
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$query = $this->query($sql);
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while($data = $this->fetch_array($query)) {
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$arr[] = $data;
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}
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}
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function cache_gc() {
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$this->query("DELETE FROM {$this->tablepre}sqlcaches WHERE expiry<$this->time");
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}
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function query($sql, $type = '', $cachetime = FALSE) {
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$func = $type == 'UNBUFFERED' && @function_exists('mysql_unbuffered_query') ? 'mysql_unbuffered_query' : 'mysql_query';
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if(!($query = $func($sql, $this->link)) && $type != 'SILENT') {
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$this->halt('MySQL Query Error', $sql);
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}
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$this->querynum++;
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$this->histories[] = $sql;
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return $query;
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}
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function affected_rows() {
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return mysql_affected_rows($this->link);
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}
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function error() {
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return (($this->link) ? mysql_error($this->link) : mysql_error());
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}
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function errno() {
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return intval(($this->link) ? mysql_errno($this->link) : mysql_errno());
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}
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function result($query, $row) {
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$query = @mysql_result($query, $row);
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return $query;
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}
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function num_rows($query) {
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$query = mysql_num_rows($query);
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return $query;
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}
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function num_fields($query) {
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return mysql_num_fields($query);
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}
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function free_result($query) {
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return mysql_free_result($query);
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}
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function insert_id() {
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return ($id = mysql_insert_id($this->link)) >= 0 ? $id : $this->result($this->query("SELECT last_insert_id()"), 0);
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}
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function fetch_row($query) {
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$query = mysql_fetch_row($query);
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return $query;
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}
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function fetch_fields($query) {
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return mysql_fetch_field($query);
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}
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function version() {
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return mysql_get_server_info($this->link);
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}
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function escape_string($str) {
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return mysql_escape_string($str);
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}
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function close() {
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return mysql_close($this->link);
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}
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function halt($message = '', $sql = '') {
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show_error('run_sql_error', $message.'<br /><br />'.$sql.'<br /> '.mysql_error(), 0);
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}
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}
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?>
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