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# frozen_string_literal: true
class ScheduleMergeRequestCleanupSchedulesBackfill < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
MIGRATION = 'BackfillMergeRequestCleanupSchedules'
DELAY_INTERVAL = 2.minutes
BATCH_SIZE = 10_000
TEMP_INDEX_NAME = 'merge_requests_state_id_temp_index'
disable_ddl_transaction!
def up
add_concurrent_index :merge_requests, :id, name: TEMP_INDEX_NAME, where: "state_id IN (2, 3)"
eligible_mrs = Gitlab::BackgroundMigration::BackfillMergeRequestCleanupSchedules::MergeRequest.eligible
queue_background_migration_jobs_by_range_at_intervals(
eligible_mrs,
MIGRATION,
DELAY_INTERVAL,
batch_size: BATCH_SIZE
)
end
def down
remove_concurrent_index_by_name :merge_requests, TEMP_INDEX_NAME
end
end
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