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# frozen_string_literal: true
class AddEpicsRelativePosition < Gitlab::Database::Migration[1.0]
DOWNTIME = false
def up
return unless table_exists?(:epics)
return if column_exists?(:epics, :relative_position)
add_column :epics, :relative_position, :integer
execute('UPDATE epics SET relative_position=id*500')
end
def down
# no-op - this column should normally exist if epics table exists too
end
end
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