add migrations files

src/Bundle/ChillBudgetBundle/migrations/Version20181219145631.php

@@ -0,0 +1,35 @@
+<?php
+
+/**
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Application\Migrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * autorise les valeurs nulles dans "HELP".
+ */
+final class Version20181219145631 extends AbstractMigration
+{
+    public function down(Schema $schema): void
+    {
+        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'postgresql', 'Migration can only be executed safely on \'postgresql\'.');
+
+        $this->addSql('ALTER TABLE chill_budget.charge ALTER help SET NOT NULL');
+    }
+
+    public function up(Schema $schema): void
+    {
+        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'postgresql', 'Migration can only be executed safely on \'postgresql\'.');
+
+        $this->addSql('ALTER TABLE chill_budget.charge ALTER help DROP NOT NULL');
+    }
+}