31 lines
863 B
Ruby
31 lines
863 B
Ruby
class RescheduleCommitsCountForMergeRequestDiff < ActiveRecord::Migration[4.2]
|
|
include Gitlab::Database::MigrationHelpers
|
|
|
|
DOWNTIME = false
|
|
|
|
MIGRATION = 'AddMergeRequestDiffCommitsCount'.freeze
|
|
BATCH_SIZE = 5000
|
|
DELAY_INTERVAL = 5.minutes.to_i
|
|
|
|
class MergeRequestDiff < ActiveRecord::Base
|
|
self.table_name = 'merge_request_diffs'
|
|
|
|
include ::EachBatch
|
|
end
|
|
|
|
disable_ddl_transaction!
|
|
|
|
def up
|
|
say 'Populating the MergeRequestDiff `commits_count` (reschedule)'
|
|
|
|
execute("SET statement_timeout TO '60s'") if Gitlab::Database.postgresql?
|
|
|
|
MergeRequestDiff.where(commits_count: nil).each_batch(of: BATCH_SIZE) do |relation, index|
|
|
start_id, end_id = relation.pluck('MIN(id), MAX(id)').first
|
|
delay = index * DELAY_INTERVAL
|
|
|
|
BackgroundMigrationWorker.perform_in(delay, MIGRATION, [start_id, end_id])
|
|
end
|
|
end
|
|
end
|