spanner_postgresql_create_storing_index project_id:, instance_id:, database_id:

in spanner/spanner_postgresql_create_storing_index.rb [18:43]

• 15 lines of code
• 4 McCabe index (conditional complexity)

def spanner_postgresql_create_storing_index project_id:, instance_id:, database_id:
  
  
  

  db_admin_client = Google::Cloud::Spanner::Admin::Database.database_admin project: project_id

  db_path = db_admin_client.database_path project: project_id,
                                          instance: instance_id,
                                          database: database_id

  create_index_query = "CREATE INDEX SingersBySingerName ON Singers(FirstName) INCLUDE(LastName, SingerInfo)"

  job = db_admin_client.update_database_ddl database: db_path,
                                            statements: [create_index_query]

  job.wait_until_done!

  if job.error?
    puts "Error while creating index. Code: #{job.error.code}. Message: #{job.error.message}"
    raise GRPC::BadStatus.new(job.error.code, job.error.message)
  end

  puts "Created an index on the table."
end