*
* $Id$
*
*/
class db {
var $Host = "";
var $Database = "";
var $Link_ID = 0;
var $Query_ID = 0;
var $Record = array();
var $Row;
var $Error = "";
var $Auto_Free = 0; ## Set this to 1 for automatic msql_free_result()
function connect() {
// Not connected? Then connect?
if ( 0 == $this->Link_ID ) {
// Check for local connect
$this->Link_ID = empty($this->Host)?
$this->Link_ID=msql_pconnect():
$this->Link_ID=msql_pconnect($this->Host);
}
// Still not connected? Raise error.
if ( 0 == $this->Link_ID ) {
$this->halt("Link-ID == false, pconnect failed");
}
// Select current database
if (!msql_select_db($this->Database, $this->Link_ID)) {
$this->halt("cannot use database ".$this->Database);
}
}
function query($Query_String) {
$this->connect();
# printf("Debug: query = %s
\n", $Query_String);
$this->Query_ID = msql_query($Query_String,$this->Link_ID);
$this->Row = 0;
$this->Error = msql_error();
if (!$this->Query_ID) {
$this->halt("Invalid SQL: ".$Query_String);
}
return $this->Query_ID;
}
function next_record() {
$this->Record = msql_fetch_array($this->Query_ID);
$this->Row += 1;
$this->Error = msql_error();
$stat = is_array($this->Record);
if (!$stat && $this->Auto_Free) {
msql_free_result($this->Query_ID);
$this->Query_ID = 0;
}
return $stat;
}
function seek($pos) {
$status = msql_data_seek($this->Query_ID, $pos);
if ($status)
$this->Row = $pos;
return;
}
function metadata($table) {
$count = 0;
$id = 0;
$res = array();
$this->connect();
$id = @msql_list_fields($this->Database, $table);
if ($id < 0) {
$this->Error = msql_error();
$this->halt("Metadata query failed.");
}
$count = msql_num_fields($id);
for ($i=0; $i<$count; $i++) {
$res[$i]["table"] = msql_fieldtable ($id, $i);
$res[$i]["name"] = msql_fieldname ($id, $i);
$res[$i]["type"] = msql_fieldtype ($id, $i);
$res[$i]["len"] = msql_fieldlen ($id, $i);
$res[$i]["flags"] = msql_fieldflags ($id, $i);
$res["meta"][$res[$i]["name"]] = $i;
$res["num_fields"]= $count;
}
msql_free_result($id);
return $res;
}
function affected_rows() {
return msql_affected_rows($this->Query_ID);
}
function num_rows() {
return msql_num_rows($this->Query_ID);
}
function num_fields() {
return msql_num_fields($this->Query_ID);
}
function nf() {
return $this->num_rows();
}
function np() {
print $this->num_rows();
}
function f($Name) {
return $this->Record[$Name];
}
function p($Name) {
print $this->Record[$Name];
}
function halt($msg) {
printf("Database error: %s
\n", $msg);
printf("MSQL Error: %s
\n", $this->Error);
die("Session halted.");
}
}
?>