db/migrate/20201004163918_remove_project_id_and_id_index_from_vulnerabilities_table.rb


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class RemoveProjectIdAndIdIndexFromVulnerabilitiesTable < ActiveRecord::Migration[6.0]
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false
  INDEX_NAME = 'index_vulnerabilities_on_project_id_and_id'

  disable_ddl_transaction!

  def up
    Gitlab::BackgroundMigration.steal('PopulateResolvedOnDefaultBranchColumn')
    remove_concurrent_index_by_name :vulnerabilities, INDEX_NAME
  end

  def down
    add_concurrent_index :vulnerabilities, [:project_id, :id], name: INDEX_NAME
  end
end