36 lines
810 B
Ruby
36 lines
810 B
Ruby
# frozen_string_literal: true
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# See http://doc.gitlab.com/ce/development/migration_style_guide.html
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# for more information on how to write migrations for GitLab.
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class ScheduleEpicIssuesAfterEpicsMove < ActiveRecord::Migration[5.2]
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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INTERVAL = 5.minutes.to_i
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BATCH_SIZE = 100
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MIGRATION = 'MoveEpicIssuesAfterEpics'
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disable_ddl_transaction!
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class Epic < ActiveRecord::Base
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self.table_name = 'epics'
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include ::EachBatch
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end
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def up
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return unless ::Gitlab.ee?
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Epic.each_batch(of: BATCH_SIZE) do |batch, index|
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range = batch.pluck('MIN(id)', 'MAX(id)').first
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delay = index * INTERVAL
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BackgroundMigrationWorker.perform_in(delay, MIGRATION, range)
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end
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end
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def down
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# no need
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end
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end
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