<?php

$host = 'localhost';
$db = 'dtm';
$user = 'postgres';
$pass = 'master';
$conn = null;

try {
    $conn = new PDO("pgsql:host=$host dbname=$db", $user, $pass);
} catch (PDOException $pe) {
    die('Erro abrindo bd: ' . $pe->getMessage());
}

function certificaQueryOk(PDOStatement $q) {
    global $conn;
    if (!$q) {
        $ei = $conn->errorInfo();
        die('Não pode executar query: ' . $ei[2]);
    }
}

?>