Description:
------------
I'm trying to open a PDO connection through PGSQL in order to create a new database with a login role created manually in PostgreSQL DB (called 'login_role_name').

PDO

PDO support => enabled
PDO drivers => pgsql

pdo_pgsql

PDO Driver for PostgreSQL => enabled
PostgreSQL(libpq) Version => 9.3.4
Module version => 1.0.2
Revision =>  $Id$ 

pgsql

PostgreSQL Support => enabled
PostgreSQL(libpq) Version => 9.3.4
PostgreSQL(libpq)  => PostgreSQL 9.3.4 on x86_64-unknown-linux-gnu, compiled by gcc (Ubuntu 4.8.2-16ubuntu6) 4.8.2, 64-bit
Multibyte character support => enabled
SSL support => enabled
Active Persistent Links => 0
Active Links => 0

Directive => Local Value => Master Value
pgsql.allow_persistent => On => On
pgsql.auto_reset_persistent => Off => Off
pgsql.ignore_notice => Off => Off
pgsql.log_notice => Off => Off
pgsql.max_links => Unlimited => Unlimited
pgsql.max_persistent => Unlimited => Unlimited

Test script:
---------------
$conn = new \PDO("pgsql:host=0.0.0.0;port=5432;", 'login_role_name', 'login_role_pass');
var_dump($conn);

Expected result:
----------------
object(PDO)#1 (0) {
}

Actual result:
--------------
PHP Fatal error:  Uncaught exception 'PDOException' with message 'SQLSTATE[08006] [7] FATAL:  database "login_role_name" does not exist' in ...