phplibrary/core/tree/database.php
2016-06-29 18:51:32 +03:00

135 lines
3.7 KiB
PHP

<?php
//****************************************************************************
// phpDatabase 2.1
//****************************************************************************
// Author: Maxim Poltarak <maxx at e dash taller dot net>
// Category: Databases
//****************************************************************************
// The lib is FREEWARE. This means you may use it anywhere you want, you may
// do anything with it. The Author mentioned above is NOT responsible for any
// consequences of using this library.
// If you don't agree with this, you MAY NOT use the lib!
//****************************************************************************
// All improvings, feature requests, bug reports, etc. are gladly accepted.
//****************************************************************************
// Note: For best viewing of the code Tab size 4 is recommended
//****************************************************************************
class CDatabase
{
var $link;
var $db;
var $host, $user, $pass;
function CDatabase($db, $host = "localhost", $user = "", $pass = "")
{
$this->db = $db;
$this->host = $host;
$this->user = $user;
$this->pass = $pass;
$str = "host={$host} port=5432 dbname={$db} user={$user} password={$pass}";
$this->link = pg_connect($str);
}
function query($sql)
{
if (!$this->link) return 0;
return pg_query($this->link, $sql);
}
function affected_rows()
{
return pg_affected_rows($this->link);
}
function num_rows($q)
{
return pg_num_rows($q);
}
function fetch_array($q) // fetchAll
{
return pg_fetch_array($q, NULL);
}
function fetch_object($q) // fetchObject
{
return pg_fetch_object($q);
}
/* function data_seek($q, $n) {
return pg_data_seek($q, $n);
}
*/
function free_result($q)
{
return pg_free_result($q);
}
function insert_id($seq)
{
$query = "SELECT currval('$seq')";
$res = $this->query($query);
$row = pg_fetch_array($res, NULL, PGSQL_ASSOC);
pg_free_result($res);
return ($row) ? $row['currval'] : 0;
}
function error()
{
return pg_last_error($this->link);
}
function error_die($msg = '')
{
die(((empty($msg)) ? '' : $msg . ': ') . $this->error());
}
function sql2var($sql)
{
if ((empty($sql)) || (!($query = $this->query($sql)))) return false;
if ($this->num_rows($query) < 1) return false;
return $this->result2var($query);
}
function result2var($q)
{
if (!($Data = $this->fetch_array($q))) return false;
$this->free_result($q);
foreach($Data as $k => $v) $GLOBALS[$k] = $v;
return true;
}
/*function sql2array($sql, $keyField = '')
{
if ((empty($sql)) || (!($query = $this->query($sql)))) return false;
if ($this->num_rows($query) < 1) return false;
return $this->result2array($query, $keyField);
}*/
function result2array($q, $keyField = '')
{
$Result = array();
while ($Data = $this->fetch_array($q))
if (empty($keyField)) $Result[] = $Data;
else $Result[$Data[$keyField]] = $Data;
$this->free_result($q);
return $Result;
}
/*function list_tables()
{
return mysql_list_tables($this->db, $this->link);
}
function list_fields($table_name)
{
return mysql_list_fields($this->db, $table_name, $this->link);
}*/
};