Add full example

#151 (comment)

docs/connect.rst

@@ -107,7 +107,23 @@ by setting the connection's ``CRATE_ATTR_SSL_MODE`` attribute:
 
 .. code-block:: php
 
-   $connection->setAttribute(PDOCrateDB::CRATE_ATTR_SSL_MODE, PDOCrateDB::CRATE_ATTR_SSL_MODE_REQUIRED);
+   <?php
+	require __DIR__ . '/vendor/autoload.php';
+	use Crate\PDO\PDOCrateDB;
+	$dsn = 'crate:yourcluster.yourdomain.com:4200';
+	$user = 'user1';
+	echo "Enter pwd for the user1 account: ";
+	$password = rtrim(fgets(STDIN));
+	$options = null;
+	$connection = new PDOCrateDB($dsn, $user, $password, $options);
+	$connection->setAttribute(PDOCrateDB::CRATE_ATTR_SSL_MODE, PDOCrateDB::CRATE_ATTR_SSL_MODE_REQUIRED);
+	$stmt = $connection->prepare('SELECT mountain FROM sys.summits LIMIT 1;');
+	$stmt->execute();
+	$rows = $stmt->fetchAll(PDO::FETCH_ASSOC);
+	foreach ($rows as $row) {
+			print_r($row);
+		}
+	?>
 
 If this is not configured you will see the following error message: 
 ``cURL error 52: Empty reply from server``
@@ -155,7 +171,7 @@ Driver specific constants
 
 The CrateDB driver provides number of ``PDO`` attribute class constants.
 
-``PDO::CRATE_ATTR_DEFAULT_SCHEMA`` (string)
+``PDOCrateDB::CRATE_ATTR_DEFAULT_SCHEMA`` (string)
     The default schema for the PDO connection.
 
     .. TIP::
@@ -165,7 +181,7 @@ The CrateDB driver provides number of ``PDO`` attribute class constants.
 
        However, you can query any schema you like by specifying it in the query.
 
-``PDO::CRATE_ATTR_SSL_MODE`` (int) named attribute
+``PDOCrateDB::CRATE_ATTR_SSL_MODE`` (int) named attribute
    The connection SSL mode.
 
    Accepted values:
@@ -179,19 +195,19 @@ The CrateDB driver provides number of ``PDO`` attribute class constants.
    ``CRATE_ATTR_SSL_MODE_REQUIRED``
        Enable SSL mode, and perform host verification.
 
-``PDO::CRATE_ATTR_SSL_KEY_PATH`` (string)
+``PDOCrateDB::CRATE_ATTR_SSL_KEY_PATH`` (string)
    The path to an SSL client key file.
 
-``PDO::CRATE_ATTR_SSL_KEY_PASSWORD`` (string)
+``PDOCrateDB::CRATE_ATTR_SSL_KEY_PASSWORD`` (string)
    The SSL client key file password.
 
-``PDO::CRATE_ATTR_SSL_CERT_PATH`` (string)
+``PDOCrateDB::CRATE_ATTR_SSL_CERT_PATH`` (string)
    The path to an SSL client certificate file.
 
-``PDO::CRATE_ATTR_SSL_CERT_PASSWORD`` (string)
+``PDOCrateDB::CRATE_ATTR_SSL_CERT_PASSWORD`` (string)
    The SSL client certificate file password.
 
-``PDO::CRATE_ATTR_SSL_CA_PATH`` (string)
+``PDOCrateDB::CRATE_ATTR_SSL_CA_PATH`` (string)
    The path to an SSL *Certificate Authority* (CA) certificate file.
 
 .. SEEALSO::