36 lines
967 B
Ruby
36 lines
967 B
Ruby
# frozen_string_literal: true
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require_relative '../../migration_helpers'
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module RuboCop
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module Cop
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module Migration
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# Cop that checks if `add_concurrent_index` is used with `up`/`down` methods
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# and not `change`.
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class AddConcurrentIndex < RuboCop::Cop::Cop
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include MigrationHelpers
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MSG = '`add_concurrent_index` is not reversible so you must manually define ' \
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'the `up` and `down` methods in your migration class, using `remove_concurrent_index` in `down`'.freeze
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def on_send(node)
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return unless in_migration?(node)
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name = node.children[1]
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return unless name == :add_concurrent_index
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node.each_ancestor(:def) do |def_node|
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next unless method_name(def_node) == :change
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add_offense(def_node, location: :name)
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end
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end
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def method_name(node)
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node.children.first
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end
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end
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end
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end
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end
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