PDOException Object
(
    [message:protected] => SQLSTATE[42000]: Syntax error or access violation: 1171 All parts of a PRIMARY KEY must be NOT NULL; if you need NULL in a key, use UNIQUE instead
    [string:Exception:private] => 
    [code:protected] => 42000
    [file:protected] => /home/amnir/public_html/wap/lib/core/phpDataMapper/Adapter/PDO.php
    [line:protected] => 233
    [trace:Exception:private] => Array
        (
            [0] => Array
                (
                    [file] => /home/amnir/public_html/wap/lib/core/phpDataMapper/Adapter/PDO.php
                    [line] => 233
                    [function] => exec
                    [class] => PDO
                    [type] => ->
                    [args] => Array
                        (
                            [0] => ALTER TABLE `horaires_bus` 
MODIFY `ref` int DEFAULT NULL,
MODIFY `nom_compagnie` varchar(255) COLLATE utf8_unicode_ci DEFAULT NULL,
MODIFY `depart` varchar(255) COLLATE utf8_unicode_ci DEFAULT NULL,
MODIFY `destination` varchar(255) COLLATE utf8_unicode_ci DEFAULT NULL,
MODIFY `jours` varchar(255) COLLATE utf8_unicode_ci DEFAULT NULL,
MODIFY `heure_depart` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
MODIFY `heure_arrivee` varchar(255) COLLATE utf8_unicode_ci NOT NULL,
MODIFY `type_bus` int DEFAULT NULL;
                        )

                )

            [1] => Array
                (
                    [file] => /home/amnir/public_html/wap/lib/core/phpDataMapper/Adapter/PDO.php
                    [line] => 149
                    [function] => migrateTableUpdate
                    [class] => phpDataMapper_Adapter_PDO
                    [type] => ->
                    [args] => Array
                        (
                            [0] => horaires_bus
                            [1] => Array
                                (
                                )

                        )

                )

            [2] => Array
                (
                    [file] => /home/amnir/public_html/wap/lib/core/phpDataMapper/Base.php
                    [line] => 726
                    [function] => migrate
                    [class] => phpDataMapper_Adapter_PDO
                    [type] => ->
                    [args] => Array
                        (
                            [0] => horaires_bus
                            [1] => Array
                                (
                                    [ref] => Array
                                        (
                                            [type] => int
                                            [default] => 
                                            [length] => 
                                            [required] => 
                                            [null] => 1
                                            [unsigned] => 
                                            [primary] => 1
                                            [index] => 
                                            [unique] => 
                                            [serial] => 
                                            [relation] => 
                                        )

                                    [nom_compagnie] => Array
                                        (
                                            [type] => string
                                            [default] => 
                                            [length] => 
                                            [required] => 
                                            [null] => 1
                                            [unsigned] => 
                                            [primary] => 
                                            [index] => 
                                            [unique] => 
                                            [serial] => 
                                            [relation] => 
                                        )

                                    [destination] => Array
                                        (
                                            [type] => string
                                            [default] => 
                                            [length] => 
                                            [required] => 
                                            [null] => 1
                                            [unsigned] => 
                                            [primary] => 
                                            [index] => 
                                            [unique] => 
                                            [serial] => 
                                            [relation] => 
                                        )

                                    [depart] => Array
                                        (
                                            [type] => string
                                            [default] => 
                                            [length] => 
                                            [required] => 
                                            [null] => 1
                                            [unsigned] => 
                                            [primary] => 
                                            [index] => 
                                            [unique] => 
                                            [serial] => 
                                            [relation] => 
                                        )

                                    [jours] => Array
                                        (
                                            [type] => string
                                            [default] => 
                                            [length] => 
                                            [required] => 
                                            [null] => 1
                                            [unsigned] => 
                                            [primary] => 
                                            [index] => 
                                            [unique] => 
                                            [serial] => 
                                            [relation] => 
                                        )

                                    [heure_depart] => Array
                                        (
                                            [type] => string
                                            [default] => 
                                            [length] => 
                                            [required] => 1
                                            [null] => 1
                                            [unsigned] => 
                                            [primary] => 
                                            [index] => 
                                            [unique] => 
                                            [serial] => 
                                            [relation] => 
                                        )

                                    [heure_arrivee] => Array
                                        (
                                            [type] => string
                                            [default] => 
                                            [length] => 
                                            [required] => 1
                                            [null] => 1
                                            [unsigned] => 
                                            [primary] => 
                                            [index] => 
                                            [unique] => 
                                            [serial] => 
                                            [relation] => 
                                        )

                                    [type_bus] => Array
                                        (
                                            [type] => int
                                            [default] => 
                                            [length] => 
                                            [required] => 
                                            [null] => 1
                                            [unsigned] => 
                                            [primary] => 
                                            [index] => 
                                            [unique] => 
                                            [serial] => 1
                                            [relation] => 
                                        )

                                )

                        )

                )

            [3] => Array
                (
                    [file] => /home/amnir/public_html/wap/actions/horairesbus.module.php
                    [line] => 53
                    [function] => migrate
                    [class] => phpDataMapper_Base
                    [type] => ->
                    [args] => Array
                        (
                        )

                )

            [4] => Array
                (
                    [file] => /home/amnir/public_html/wap/index.php
                    [line] => 100
                    [function] => list_action_arabe
                    [class] => horairesbusMultiActionController
                    [type] => ->
                    [args] => Array
                        (
                        )

                )

        )

    [previous:Exception:private] => 
    [errorInfo] => Array
        (
            [0] => 42000
            [1] => 1171
            [2] => All parts of a PRIMARY KEY must be NOT NULL; if you need NULL in a key, use UNIQUE instead
        )

)