From 43f63c435d0098ffb0bc66c5544e026099818310 Mon Sep 17 00:00:00 2001
From: Gerhard Schlager <mail@gerhard-schlager.at>
Date: Wed, 21 Mar 2018 12:07:47 +0100
Subject: [PATCH] FIX: Drop unused tables with a delay

---
 db/fixtures/999_delayed.rb                      | 16 ++++++++++++++++
 db/migrate/20180227161818_drop_unused_tables.rb |  3 +--
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/db/fixtures/999_delayed.rb b/db/fixtures/999_delayed.rb
index 6a7ea17e803..7b6d280db97 100644
--- a/db/fixtures/999_delayed.rb
+++ b/db/fixtures/999_delayed.rb
@@ -10,3 +10,19 @@ Migration::TableDropper.delayed_rename(
     STDERR.puts "Dropping topic_status_updates. It was moved to topic_timers."
   }
 )
+
+Migration::TableDropper.delayed_drop(
+  table_name: 'category_featured_users',
+  after_migration: 'DropUnusedTables',
+  on_drop: ->() {
+    STDERR.puts "Dropping category_featured_users. It isn't used anymore."
+  }
+)
+
+Migration::TableDropper.delayed_drop(
+  table_name: 'versions',
+  after_migration: 'DropUnusedTables',
+  on_drop: ->() {
+    STDERR.puts "Dropping versions. It isn't used anymore."
+  }
+)
diff --git a/db/migrate/20180227161818_drop_unused_tables.rb b/db/migrate/20180227161818_drop_unused_tables.rb
index 1db8c57d551..f0c735f0218 100644
--- a/db/migrate/20180227161818_drop_unused_tables.rb
+++ b/db/migrate/20180227161818_drop_unused_tables.rb
@@ -1,7 +1,6 @@
 class DropUnusedTables < ActiveRecord::Migration[5.1]
   def up
-    drop_table :category_featured_users
-    drop_table :versions
+    # Delayed drop of tables "category_featured_users" and "versions"
   end
 
   def down