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# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class DeleteConflictingRedirectRoutes < ActiveRecord::Migration
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
MIGRATION = 'DeleteConflictingRedirectRoutesRange'.freeze
BATCH_SIZE = 200 # At 200, I expect under 20s per batch, which is under our query timeout of 60s.
DELAY_INTERVAL = 12.seconds
disable_ddl_transaction!
class Route < ActiveRecord::Base
include EachBatch
self.table_name = 'routes'
end
def up
say opening_message
queue_background_migration_jobs_by_range_at_intervals(Route, MIGRATION, DELAY_INTERVAL, batch_size: BATCH_SIZE)
end
def down
# nothing
end
def opening_message
<<~MSG
Clean up redirect routes that conflict with regular routes.
See initial bug fix:
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/13357
MSG
end
end
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