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# frozen_string_literal: true
class BackfillCadenceIdForBoardsScopedToIteration < Gitlab::Database::Migration[1.0]
disable_ddl_transaction!
BATCH_SIZE = 1000
DELAY = 2.minutes.to_i
MIGRATION = 'BackfillIterationCadenceIdForBoards'
class MigrationBoard < ApplicationRecord
include EachBatch
self.table_name = 'boards'
end
def up
schedule_backfill_group_boards
schedule_backfill_project_boards
end
def down
MigrationBoard.where.not(iteration_cadence_id: nil).each_batch(of: BATCH_SIZE) do |batch, index|
range = batch.pick(Arel.sql('MIN(id)'), Arel.sql('MAX(id)'))
delay = index * DELAY
migrate_in(delay, MIGRATION, ['none', 'down', *range])
end
end
private
def schedule_backfill_project_boards
MigrationBoard.where(iteration_id: -4).where.not(project_id: nil).where(iteration_cadence_id: nil).each_batch(of: BATCH_SIZE) do |batch, index|
range = batch.pick(Arel.sql('MIN(id)'), Arel.sql('MAX(id)'))
delay = index * DELAY
migrate_in(delay, MIGRATION, ['project', 'up', *range])
end
end
def schedule_backfill_group_boards
MigrationBoard.where(iteration_id: -4).where.not(group_id: nil).where(iteration_cadence_id: nil).each_batch(of: BATCH_SIZE) do |batch, index|
range = batch.pick(Arel.sql('MIN(id)'), Arel.sql('MAX(id)'))
delay = index * DELAY
migrate_in(delay, MIGRATION, ['group', 'up', *range])
end
end
end
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