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# frozen_string_literal: true
module RuboCop
module Cop
module Database
# Cop that checks if 'disable_referential_integrity' method is called.
class DisableReferentialIntegrity < RuboCop::Cop::Base
MSG = <<~TEXT
Do not use `disable_referential_integrity`, disable triggers in a safe
transaction instead. Follow the format:
BEGIN;
ALTER TABLE my_table DISABLE TRIGGER ALL;
-- execute query that requires disabled triggers
ALTER TABLE my_table ENABLE TRIGGER ALL;
COMMIT;
TEXT
def_node_matcher :disable_referential_integrity?, <<~PATTERN
(send _ :disable_referential_integrity)
PATTERN
RESTRICT_ON_SEND = %i[disable_referential_integrity].freeze
def on_send(node)
return unless disable_referential_integrity?(node)
add_offense(node)
end
end
end
end
end
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