For support scoreMode parameter in BlockJoinParentQParser we have this jira with attached patch https://issues.apache.org/jira/browse/SOLR-5882
17.12.2014, 06:54, "Michael Sokolov" <msoko...@safaribooksonline.com>: > I'm trying to use BJPQP and ran into a few little gotchas that I'd like > to share with y'all in case you have any advice. > > First I ran into an NPE that probably should be handled better - maybe > just an exception with a better message. The framework I'm working in > makes it slightly annoying to use localParams syntax (I have to bypass > special-character escaping in the client framework), so I thought I'd > set defType=parent and pass the "which" as a global parameter, but if > you try this you get an NPE since the QParser expects "which" to be > passed in as a local param. It's probably not really a sane use case > since you have to use localParams to get your default qparser > instantiated in that case anyway, so why would you do it? Still - it > would be good to report a clearer exception to the user. > > Then I got my query working, but results were coming back in a funky > order. I realized that the client doc scores were being thrown away -- > BJPQP is hard-coded to use ScoreMode.None. So then I went to subclass > the QParser (and plugin) to override the score mode -- createQuery is > protected, which would seem to make this convenient to do this, but the > class itself (BlockJoinParentQParser) is package private. Then I > thought I'd just put my class in the same package, but this fails at > runtime since it's loaded by a different class loader. argh. I would > have to copy and fork the whole class to get this working. > > I guess that's what I'll do, but this should be easier. Am I missing > something? Is there another way to get a scoring ToParentBlockJoinQuery > in Solr? > > Thanks > > -Mike
