140 lines
3.1 KiB
PHP
140 lines
3.1 KiB
PHP
<?php
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/*
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[Discuz!] (C)2001-2009 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 976 2009-12-03 03:02:44Z zhaoxiongfei $
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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 = $tablepre;
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if(!$this->link = new mysqli($dbhost, $dbuser, $dbpw, $dbname)) {
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$this->halt('Can not connect to MySQL server');
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}
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if($this->version() > '4.1') {
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if($dbcharset) {
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$this->link->set_charset($dbcharset);
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}
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if($this->version() > '5.0.1') {
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$this->link->query("SET sql_mode=''");
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}
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}
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}
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function fetch_array($query, $result_type = MYSQLI_ASSOC) {
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return $query ? $query->fetch_array($result_type) : null;
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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 = '', $cachetime = FALSE) {
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$resultmode = $type == 'UNBUFFERED' ? MYSQLI_USE_RESULT : MYSQLI_STORE_RESULT;
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if(!($query = $this->link->query($sql, $resultmode)) && $type != 'SILENT') {
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$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 $this->link->affected_rows;
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}
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function error() {
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return (($this->link) ? $this->link->error : mysqli_error());
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}
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function errno() {
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return intval(($this->link) ? $this->link->errno : mysqli_errno());
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}
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function result($query, $row) {
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if(!$query || $query->num_rows == 0) {
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return null;
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}
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$query->data_seek($row);
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$assocs = $query->fetch_row();
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return $assocs[0];
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}
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function num_rows($query) {
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$query = $query ? $query->num_rows : 0;
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return $query;
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}
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function num_fields($query) {
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return $query ? $query->field_count : 0;
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}
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function free_result($query) {
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return $query ? $query->free() : false;
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}
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function insert_id() {
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return ($id = $this->link->insert_id) >= 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 = $query ? $query->fetch_row() : null;
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return $query;
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}
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function fetch_fields($query) {
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return $query ? $query->fetch_field() : null;
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}
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function version() {
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return $this->link->server_info;
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}
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function escape_string($str) {
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return $this->link->escape_string($str);
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}
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function close() {
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return $this->link->close();
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}
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function halt($message = '', $sql = '') {
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show_error('run_sql_error', $message.'<br /><br />'.$sql.'<br /> '.$this->error(), 0);
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}
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}
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?>
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