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<?php
class Db_Pgsql extends Db_Abstract
{
public function connect($host, $user, $pass, $db)
{
$string = "dbname=$db user=$user";
if ($pass) {
$string .= " password=$pass";
}
if ($host) {
$string .= " host=$host";
}
if (defined('DB_PORT')) {
$string = "$string port=" . DB_PORT;
}
$link = pg_connect($string);
if (!$link) {
die("Unable to connect to database (as $user to $host, database $db):" . pg_last_error());
}
$this->dbconn = $link;
return $link;
}
public function init()
{
pg_query($this->dbconn, "set client_encoding = 'UTF-8'");
pg_set_client_encoding("UNICODE");
pg_query($this->dbconn, "set datestyle = 'ISO, european'");
pg_query($this->dbconn, "set TIME ZONE 0");
}
public function escape_string($s, $strip_tags = true)
{
if ($strip_tags) $s = strip_tags($s);
return pg_escape_string($s);
}
public function query($query, $die_on_error = true)
{
$result = pg_query($this->dbconn, $query);
if (!$result) {
$query = htmlspecialchars($query); // just in case
if ($die_on_error) {
die("Query <i>$query</i> failed [$result]: " . ($this->dbconn ? pg_last_error($this->dbconn) : "No connection"));
}
}
return $result;
}
public function fetch_assoc($result) {
return pg_fetch_assoc($result);
}
public function num_rows($result) {
return pg_num_rows($result);
}
public function fetch_result($result, $row, $param) {
return pg_fetch_result($result, $row, $param);
}
public function close() {
return pg_close($this->dbconn);
}
public function affected_rows($result) {
return pg_affected_rows($result);
}
public function last_error() {
return pg_last_error($this->dbconn);
}
}
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