From b9652d8e4dc8544766c9371057be72cc26fe3a4b Mon Sep 17 00:00:00 2001
From: Imre Farkas <ifarkas@gitlab.com>
Date: Mon, 29 Oct 2018 16:06:45 +0000
Subject: [master] Persist only SHA digest of PersonalAccessToken#token

---
 ...42237_schedule_digest_personal_access_tokens.rb | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 db/post_migrate/20180913142237_schedule_digest_personal_access_tokens.rb

(limited to 'db/post_migrate')

diff --git a/db/post_migrate/20180913142237_schedule_digest_personal_access_tokens.rb b/db/post_migrate/20180913142237_schedule_digest_personal_access_tokens.rb
new file mode 100644
index 00000000000..36be819b245
--- /dev/null
+++ b/db/post_migrate/20180913142237_schedule_digest_personal_access_tokens.rb
@@ -0,0 +1,28 @@
+class ScheduleDigestPersonalAccessTokens < ActiveRecord::Migration
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  BATCH_SIZE = 10_000
+  MIGRATION = 'DigestColumn'
+  DELAY_INTERVAL = 5.minutes.to_i
+
+  disable_ddl_transaction!
+
+  class PersonalAccessToken < ActiveRecord::Base
+    include EachBatch
+
+    self.table_name = 'personal_access_tokens'
+  end
+
+  def up
+    PersonalAccessToken.where('token is NOT NULL').each_batch(of: BATCH_SIZE) do |batch, index|
+      range = batch.pluck('MIN(id)', 'MAX(id)').first
+      BackgroundMigrationWorker.perform_in(index * DELAY_INTERVAL, MIGRATION, ['PersonalAccessToken', :token, :token_digest, *range])
+    end
+  end
+
+  def down
+    # raise ActiveRecord::IrreversibleMigration
+  end
+end
-- 
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