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require_relative '../../migration_helpers'
module RuboCop
module Cop
module Migration
# Cop that checks if `add_concurrent_foreign_key` is used instead of
# `add_foreign_key`.
class AddConcurrentForeignKey < RuboCop::Cop::Cop
include MigrationHelpers
MSG = '`add_foreign_key` requires downtime, use `add_concurrent_foreign_key` instead'
def on_send(node)
return unless in_migration?(node)
name = node.children[1]
add_offense(node, :selector) if name == :add_foreign_key
end
def method_name(node)
node.children.first
end
end
end
end
end
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