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# frozen_string_literal: true
class FixInvalidEpicSourcingMilestoneIds < ActiveRecord::Migration[5.2]
DOWNTIME = false
def up
nullify_invalid_data(:start_date_sourcing_milestone_id)
nullify_invalid_data(:due_date_sourcing_milestone_id)
end
def down
# no-op
end
private
def nullify_invalid_data(column_name)
execute(<<-SQL.squish)
UPDATE epics
SET #{column_name} = null
WHERE #{column_name} NOT IN (SELECT id FROM milestones);
SQL
end
end
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