1 files changed, 0 insertions, 46 deletions
diff --git a/db/migrate/20171114161720_merge_requests_merge_user_id_foreign_key.rb b/db/migrate/20171114161720_merge_requests_merge_user_id_foreign_key.rb
deleted file mode 100644
index ccd275d5bb4..00000000000
--- a/db/migrate/20171114161720_merge_requests_merge_user_id_foreign_key.rb
+++ /dev/null
@@ -1,46 +0,0 @@
-# See http://doc.gitlab.com/ce/development/migration_style_guide.html
-# for more information on how to write migrations for GitLab.
-
-class MergeRequestsMergeUserIdForeignKey < ActiveRecord::Migration[4.2]
-  include Gitlab::Database::MigrationHelpers
-
-  # Set this constant to true if this migration requires downtime.
-  DOWNTIME = false
-
-  disable_ddl_transaction!
-
-  class MergeRequest < ActiveRecord::Base
-    include EachBatch
-
-    self.table_name = 'merge_requests'
-
-    def self.with_orphaned_mergers
-      where('NOT EXISTS (SELECT true FROM users WHERE merge_requests.merge_user_id = users.id)')
-        .where('merge_user_id IS NOT NULL')
-    end
-  end
-
-  def up
-    MergeRequest.with_orphaned_mergers.each_batch(of: 100) do |batch|
-      batch.update_all(merge_user_id: nil)
-    end
-
-    add_concurrent_index(
-      :merge_requests,
-      :merge_user_id,
-      where: 'merge_user_id IS NOT NULL'
-    )
-
-    add_concurrent_foreign_key(
-      :merge_requests,
-      :users,
-      column: :merge_user_id,
-      on_delete: :nullify
-    )
-  end
-
-  def down
-    remove_foreign_key_without_error(:merge_requests, column: :merge_user_id)
-    remove_concurrent_index(:merge_requests, :merge_user_id)
-  end
-end