materiaux companies ok

+ sql improvement

Signed-off-by: bachy <git@g-u-i.net>

migrate_materio.account.inc

@@ -22,6 +22,7 @@ class MaterioIndustrialAccountUserMigration extends MaterioBasicMigration {
 			->fields('iid', array('id_industrial', 'date_creation', 'date_modif'))
 			->fields('ind_ac', array('login', 'password'))
 			->fields('iinf', array('company', 'email_general'))
+			->condition('email_general', '', '<>')
 			->orderBy('iid.id_industrial', 'DESC');
 			
 		$query->groupBy('iid.id_industrial');