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# frozen_string_literal: true
class AddSequenceColumnToSprintsTable < Gitlab::Database::Migration[1.0]
enable_lock_retries!
def up
add_column :sprints, :sequence, :integer
execute "ALTER TABLE sprints ADD CONSTRAINT sequence_is_unique_per_iterations_cadence_id UNIQUE (iterations_cadence_id, sequence) DEFERRABLE INITIALLY DEFERRED"
end
def down
remove_column :sprints, :sequence
end
end
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