adapt migrations files to flex

migrations/Version20190429171109.php

@@ -0,0 +1,26 @@
+<?php declare(strict_types=1);
+
+namespace Application\Migrations;
+
+use Doctrine\DBAL\Schema\Schema;
+use Doctrine\Migrations\AbstractMigration;
+
+/**
+ * Alter third_party.type to jsonb and rename to types
+ */
+final class Version20190429171109 extends AbstractMigration
+{
+    public function up(Schema $schema): void
+    {
+        $this->addSql("ALTER TABLE chill_3party.third_party RENAME COLUMN type "
+            . "TO types");
+        $this->addSql("ALTER TABLE chill_3party.third_party ALTER COLUMN types "
+            . "SET DATA TYPE jsonb");
+
+    }
+
+    public function down(Schema $schema): void
+    {
+        $this->throwIrreversibleMigrationException("not implemented");
+    }
+}