From 4eb7b418dba6d1c76407f876b3c9687f65cc1329 Mon Sep 17 00:00:00 2001
From: Alexey Skobkin <skobkin-ru@ya.ru>
Date: Fri, 27 Apr 2018 17:58:09 +0300
Subject: [PATCH] #44 Database migration for new schema.

---
 .../Version20180427143940.php                 | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 app/DoctrineMigrations/Version20180427143940.php

diff --git a/app/DoctrineMigrations/Version20180427143940.php b/app/DoctrineMigrations/Version20180427143940.php
new file mode 100644
index 0000000..795184e
--- /dev/null
+++ b/app/DoctrineMigrations/Version20180427143940.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace Application\Migrations;
+
+use Doctrine\DBAL\Migrations\AbstractMigration;
+use Doctrine\DBAL\Schema\Schema;
+
+/**
+ * Issue #44 - Post and Comment schema refactoring.
+ * - Post subscription status added.
+ * - Comments parent-child relations removed.
+ * - Other adjustments
+ */
+class Version20180427143940 extends AbstractMigration
+{
+    public function up(Schema $schema)
+    {
+        // this up() migration is auto-generated, please modify it to your needs
+        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'postgresql', 'Migration can only be executed safely on \'postgresql\'.');
+
+        $this->addSql('ALTER TABLE posts.posts ADD is_subscribed BOOLEAN DEFAULT FALSE NOT NULL');
+        // Removing parent_id constraint and index
+        $this->addSql('ALTER TABLE posts.comments DROP CONSTRAINT fk_62899975727aca70');
+        $this->addSql('DROP INDEX posts.idx_62899975727aca70');
+        $this->addSql('ALTER TABLE posts.comments DROP parent_id');
+
+        $this->addSql('ALTER TABLE posts.comments ADD to_number INT');
+        $this->addSql('ALTER TABLE posts.comments ALTER number TYPE INT');
+        $this->addSql('ALTER TABLE posts.comments ALTER number DROP DEFAULT');
+        $this->addSql('CREATE UNIQUE INDEX UNIQ_6289997596901F54 ON posts.comments (number)');
+    }
+
+    public function down(Schema $schema)
+    {
+        // this down() migration is auto-generated, please modify it to your needs
+        $this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'postgresql', 'Migration can only be executed safely on \'postgresql\'.');
+
+        $this->addSql('ALTER TABLE posts.posts DROP is_subscribed');
+        $this->addSql('DROP INDEX posts.UNIQ_6289997596901F54');
+        $this->addSql('ALTER TABLE posts.comments ADD parent_id INT DEFAULT NULL');
+        $this->addSql('ALTER TABLE posts.comments DROP to_number');
+        $this->addSql('ALTER TABLE posts.comments ALTER number TYPE SMALLINT');
+        $this->addSql('ALTER TABLE posts.comments ALTER number DROP DEFAULT');
+        $this->addSql('ALTER TABLE posts.comments ADD CONSTRAINT fk_62899975727aca70 FOREIGN KEY (parent_id) REFERENCES posts.comments (id) NOT DEFERRABLE INITIALLY IMMEDIATE');
+        $this->addSql('CREATE INDEX idx_62899975727aca70 ON posts.comments (parent_id)');
+    }
+}