dbhost = $dbhost;
$this->dbuser = $dbuser;
$this->dbpw = $dbpw;
$this->dbname = $dbname;
$this->dbcharset = $dbcharset;
$this->pconnect = $pconnect;
$this->tablepre = $tablepre;
$this->time = $time;
if(!$this->link = new mysqli($dbhost, $dbuser, $dbpw, $dbname)) {
$this->halt('Can not connect to MySQL server');
}
if($this->version() > '4.1') {
if($dbcharset) {
$this->link->set_charset($dbcharset);
}
if($this->version() > '5.0.1') {
$this->link->query("SET sql_mode=''");
}
}
}
function fetch_array($query, $result_type = MYSQLI_ASSOC) {
return $query ? $query->fetch_array($result_type) : null;
}
function result_first($sql) {
$query = $this->query($sql);
return $this->result($query, 0);
}
function fetch_first($sql) {
$query = $this->query($sql);
return $this->fetch_array($query);
}
function fetch_all($sql, $id = '') {
$arr = array();
$query = $this->query($sql);
while($data = $this->fetch_array($query)) {
$id ? $arr[$data[$id]] = $data : $arr[] = $data;
}
return $arr;
}
function cache_gc() {
$this->query("DELETE FROM {$this->tablepre}sqlcaches WHERE expiry<$this->time");
}
function query($sql, $type = '', $cachetime = FALSE) {
$resultmode = $type == 'UNBUFFERED' ? MYSQLI_USE_RESULT : MYSQLI_STORE_RESULT;
if(!($query = $this->link->query($sql, $resultmode)) && $type != 'SILENT') {
$this->halt('MySQL Query Error', $sql);
}
$this->querynum++;
$this->histories[] = $sql;
return $query;
}
function affected_rows() {
return $this->link->affected_rows;
}
function error() {
return (($this->link) ? $this->link->error : mysqli_error());
}
function errno() {
return intval(($this->link) ? $this->link->errno : mysqli_errno());
}
function result($query, $row) {
if(!$query || $query->num_rows == 0) {
return null;
}
$query->data_seek($row);
$assocs = $query->fetch_row();
return $assocs[0];
}
function num_rows($query) {
$query = $query ? $query->num_rows : 0;
return $query;
}
function num_fields($query) {
return $query ? $query->field_count : 0;
}
function free_result($query) {
return $query ? $query->free() : false;
}
function insert_id() {
return ($id = $this->link->insert_id) >= 0 ? $id : $this->result($this->query("SELECT last_insert_id()"), 0);
}
function fetch_row($query) {
$query = $query ? $query->fetch_row() : null;
return $query;
}
function fetch_fields($query) {
return $query ? $query->fetch_field() : null;
}
function version() {
return $this->link->server_info;
}
function escape_string($str) {
return $this->link->escape_string($str);
}
function close() {
return $this->link->close();
}
function halt($message = '', $sql = '') {
$error = $this->error();
$errorno = $this->errno();
if($errorno == 2006 && $this->goneaway-- > 0) {
$this->connect($this->dbhost, $this->dbuser, $this->dbpw, $this->dbname, $this->dbcharset, $this->pconnect, $this->tablepre, $this->time);
$this->query($sql);
} else {
$s = '';
if($message) {
$s = "UCenter info: $message
";
}
if($sql) {
$s .= 'SQL:'.htmlspecialchars($sql).'
';
}
$s .= 'Error:'.$error.'
';
$s .= 'Errno:'.$errorno.'
';
$s = str_replace(UC_DBTABLEPRE, '[Table]', $s);
exit($s);
}
}
}
?>