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# frozen_string_literal: true
class RemoveNotNullConstraintOnTypeFromAuditEvents < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
# To avoid deadlock on audit_event and audit_event_part... since there is a trigger to insert record from audit_events
# to audit_events_part..., we need to ensure each ALTER TABLE command run in its own transaction.
def up
with_lock_retries do
change_column_null :audit_events_part_5fc467ac26, :type, true
end
with_lock_retries do
change_column_null :audit_events, :type, true
end
end
def down
# no-op -- null values might be added after this constraint is removed.
end
end
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