Class: Gitlab::Styles::Rubocop::Cop::Migration::RemoveConcurrentIndex

Inherits:
RuboCop::Cop::Cop
  • Object
show all
Includes:
MigrationHelpers
Defined in:
lib/gitlab/styles/rubocop/cop/migration/remove_concurrent_index.rb

Overview

Cop that checks if remove_concurrent_index is used with up/down methods and not change.

Constant Summary collapse

MSG = 
'`remove_concurrent_index` is not reversible so you must manually define ' \
'the `up` and `down` methods in your migration class, using `add_concurrent_index` in `down`'.freeze

Instance Method Summary collapse

Methods included from MigrationHelpers

#in_migration?

Instance Method Details

#method_name(node) ⇒ Object 



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# File 'lib/gitlab/styles/rubocop/cop/migration/remove_concurrent_index.rb', line 25

def method_name(node)
  node.children[0]
end

#on_send(node) ⇒ Object 



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# File 'lib/gitlab/styles/rubocop/cop/migration/remove_concurrent_index.rb', line 16

def on_send(node)
  return unless in_migration?(node)
  return unless node.children[1] == :remove_concurrent_index

  node.each_ancestor(:def) do |def_node|
    add_offense(def_node, :name) if method_name(def_node) == :change
  end
end