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

74 lines
1.8 KiB
PHP

<?php
require_once 'core/drivers/db.php';
/**
* Ïðîñòîé êëàññ äëÿ ðàáîòû ñ áàçàìè äàííûõ
*/
class Database_PGSQL extends DB implements IDatabase
{
public function connect(array $dsn)
{
if (isset($dsn['port'])) {
$port = "port={$dsn['port']}";
} else {
$port = "port=5432";
}
$str = "host={$dsn['hostspec']} $port dbname={$dsn['database']} user={$dsn['username']} password={$dsn['password']}";
$db = @pg_connect($str)
or die("Unable connect to database!");
return ($this->db = $db);
}
public function close()
{
return pg_close($this->db);
}
public function query($query)
{
$res = pg_query($this->db, $query)
or die("Error: wrong SQL query #$query#");
return $res;
}
public function fetchAllArray($query, $type = PGSQL_ASSOC)
{
$res = $this->query($query);
$rows = array();
while ($row = pg_fetch_array($res, NULL, $type)) {
$rows[] = $this->clean($row);
}
pg_free_result($res);
return ($rows) ? $rows : array();
}
public function affectedRows()
{
return pg_affected_rows($this->db);
}
private function clean($row)
{
foreach ($row as $key => $value) {
$row[$key] = trim($value);
}
return $row;
}
public function fetchOneArray($query, $type = PGSQL_ASSOC)
{
$res = $this->query($query);
$row = pg_fetch_array($res, NULL, $type);
pg_free_result($res);
return ($row) ? $this->clean($row) : array();
}
function getNextId($seq)
{
$result = $this->fetchOneArray("SELECT nextval('$seq')");
return $result['nextval'];
}
}