db/post_migrate/20190715044501_add_unique_issue_id_sha_index_to_versions.rb


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# frozen_string_literal: true

class AddUniqueIssueIdShaIndexToVersions < ActiveRecord::Migration[5.2]
  include Gitlab::Database::MigrationHelpers

  DOWNTIME = false

  disable_ddl_transaction!

  def up
    add_concurrent_index :design_management_versions, [:sha, :issue_id], unique: true, using: :btree
  end

  def down
    remove_concurrent_index :design_management_versions, [:sha, :issue_id]
  end
end