db/post_migrate/20170526185858_create_index_in_pipeline_stages.rb


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class CreateIndexInPipelineStages < ActiveRecord::Migration[4.2]
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  disable_ddl_transaction!

  def up
    add_concurrent_index(:ci_stages, [:pipeline_id, :name])
  end

  def down
    remove_concurrent_index(:ci_stages, [:pipeline_id, :name])
  end
end