diff options
Diffstat (limited to 'db')
| -rw-r--r-- | db/migrate/20171115164540_populate_merge_requests_latest_merge_request_diff_id_take_two.rb | 29 | ||||
| -rw-r--r-- | db/schema.rb | 2 |
2 files changed, 30 insertions, 1 deletions
diff --git a/db/migrate/20171115164540_populate_merge_requests_latest_merge_request_diff_id_take_two.rb b/db/migrate/20171115164540_populate_merge_requests_latest_merge_request_diff_id_take_two.rb new file mode 100644 index 00000000000..6bbb8d3b8d1 --- /dev/null +++ b/db/migrate/20171115164540_populate_merge_requests_latest_merge_request_diff_id_take_two.rb @@ -0,0 +1,29 @@ +# This is identical to PopulateMergeRequestsLatestMergeRequestDiffId, which +# already has specs. +class PopulateMergeRequestsLatestMergeRequestDiffIdTakeTwo < ActiveRecord::Migration + include Gitlab::Database::MigrationHelpers + + DOWNTIME = false + BATCH_SIZE = 1_000 + + class MergeRequest < ActiveRecord::Base + self.table_name = 'merge_requests' + + include ::EachBatch + end + + disable_ddl_transaction! + + def up + update = ' + latest_merge_request_diff_id = ( + SELECT MAX(id) + FROM merge_request_diffs + WHERE merge_requests.id = merge_request_diffs.merge_request_id + )'.squish + + MergeRequest.where(latest_merge_request_diff_id: nil).each_batch(of: BATCH_SIZE) do |relation| + relation.update_all(update) + end + end +end diff --git a/db/schema.rb b/db/schema.rb index 37e08d453c8..e8caf37e99f 100644 --- a/db/schema.rb +++ b/db/schema.rb @@ -11,7 +11,7 @@ # # It's strongly recommended that you check this file into your version control system. -ActiveRecord::Schema.define(version: 20171106180641) do +ActiveRecord::Schema.define(version: 20171115164540) do # These are extensions that must be enabled in order to support this database enable_extension "plpgsql" |