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class AddCommitsCountToMergeRequestDiff < 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
add_column :merge_request_diffs, :commits_count, :integer
say 'Populating the MergeRequestDiff `commits_count`'
queue_background_migration_jobs_by_range_at_intervals(MergeRequestDiff, MIGRATION, DELAY_INTERVAL, batch_size: BATCH_SIZE)
end
def down
remove_column :merge_request_diffs, :commits_count
end
end
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