2019-02-15 15:39:39 +05:30
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class RescheduleCommitsCountForMergeRequestDiff < ActiveRecord::Migration[4.2]
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2018-05-09 12:01:36 +05:30
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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MIGRATION = 'AddMergeRequestDiffCommitsCount'.freeze
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BATCH_SIZE = 5000
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DELAY_INTERVAL = 5.minutes.to_i
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class MergeRequestDiff < ActiveRecord::Base
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self.table_name = 'merge_request_diffs'
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include ::EachBatch
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end
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disable_ddl_transaction!
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def up
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say 'Populating the MergeRequestDiff `commits_count` (reschedule)'
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execute("SET statement_timeout TO '60s'") if Gitlab::Database.postgresql?
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MergeRequestDiff.where(commits_count: nil).each_batch(of: BATCH_SIZE) do |relation, index|
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start_id, end_id = relation.pluck('MIN(id), MAX(id)').first
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delay = index * DELAY_INTERVAL
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BackgroundMigrationWorker.perform_in(delay, MIGRATION, [start_id, end_id])
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end
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end
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end
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