1 files changed, 0 insertions, 67 deletions
diff --git a/db/post_migrate/20191030223057_backfill_version_author_and_created_at.rb b/db/post_migrate/20191030223057_backfill_version_author_and_created_at.rb
deleted file mode 100644
index 3ec6c59f166..00000000000
--- a/db/post_migrate/20191030223057_backfill_version_author_and_created_at.rb
+++ /dev/null
@@ -1,67 +0,0 @@
-# frozen_string_literal: true
-
-class BackfillVersionAuthorAndCreatedAt < ActiveRecord::Migration[5.2]
-  DOWNTIME = false
-  MIGRATION = 'BackfillVersionDataFromGitaly'
-  BATCH_SIZE = 500
-
-  disable_ddl_transaction!
-
-  class Project < ActiveRecord::Base
-    self.table_name = 'projects'
-    self.inheritance_column = :_type_disabled
-  end
-
-  class Issue < ActiveRecord::Base
-    self.table_name = 'issues'
-    self.inheritance_column = :_type_disabled
-  end
-
-  class Version < ActiveRecord::Base
-    include EachBatch
-    self.table_name = 'design_management_versions'
-    self.inheritance_column = :_type_disabled
-
-    # Returns unique issue ids of versions that are not in projects
-    # that are pending deletion.
-    scope :with_unique_issue_ids, -> do
-      versions = Version.arel_table
-      issues = Issue.arel_table
-      projects = Project.arel_table
-
-      select(versions[:issue_id]).where(
-        versions[:author_id].eq(nil).or(
-          versions[:created_at].eq(nil)
-        ).and(
-          issues[:project_id].not_in(
-            projects.project(projects[:id]).where(projects[:pending_delete].eq(true))
-          )
-        )
-      ).joins(
-        versions.join(issues).on(
-          issues[:id].eq(versions[:issue_id])
-        ).join_sources
-      ).distinct
-    end
-  end
-
-  # This migration will make around ~1300 UPDATE queries on GitLab.com,
-  # one per design_management_versions record as the migration will update
-  # each record individually.
-  #
-  # It will make around 870 Gitaly `ListCommitsByOid` requests on GitLab.com.
-  # One for every unique issue with design_management_versions records.
-  def up
-    return unless Gitlab.ee? # no-op for CE
-
-    Version.with_unique_issue_ids.each_batch(of: BATCH_SIZE) do |versions, index|
-      jobs = versions.map { |version| [MIGRATION, [version.issue_id]] }
-
-      BackgroundMigrationWorker.bulk_perform_async(jobs)
-    end
-  end
-
-  def down
-    # no-op
-  end
-end