diff options
Diffstat (limited to 'lib/gitlab/background_migration/set_merge_request_diff_files_count.rb')
-rw-r--r-- | lib/gitlab/background_migration/set_merge_request_diff_files_count.rb | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/lib/gitlab/background_migration/set_merge_request_diff_files_count.rb b/lib/gitlab/background_migration/set_merge_request_diff_files_count.rb new file mode 100644 index 00000000000..9f765d03d62 --- /dev/null +++ b/lib/gitlab/background_migration/set_merge_request_diff_files_count.rb @@ -0,0 +1,28 @@ +# frozen_string_literal: true + +module Gitlab + module BackgroundMigration + # Sets the MergeRequestDiff#files_count value for old rows + class SetMergeRequestDiffFilesCount + COUNT_SUBQUERY = <<~SQL + files_count = ( + SELECT count(*) + FROM merge_request_diff_files + WHERE merge_request_diff_files.merge_request_diff_id = merge_request_diffs.id + ) + SQL + + class MergeRequestDiff < ActiveRecord::Base # rubocop:disable Style/Documentation + include EachBatch + + self.table_name = 'merge_request_diffs' + end + + def perform(start_id, end_id) + MergeRequestDiff.where(id: start_id..end_id).each_batch do |relation| + relation.update_all(COUNT_SUBQUERY) + end + end + end + end +end |