between: use bulk result set insert API
between: use bulk result set insert API

It may improve performance but I don't see it...

groonga/groonga,groonga/groonga,komainu8/groonga,groonga/groonga,groonga/groonga,kenhys/groonga,kenhys/groonga,komainu8/groonga,kenhys/groonga,komainu8/groonga,komainu8/groonga,groonga/groonga,kenhys/groonga,kenhys/groonga,komainu8/groonga,kenhys/groonga,kenhys/groonga,groonga/groonga,groonga/groonga,kenhys/groonga,komainu8/groonga,komainu8/groonga,groonga/groonga,komainu8/groonga