On Mar 21, 2011, at 14:19 , karsten-s...@gmx.de wrote:
> Hi,
>
> I am working on a migration from verity k2 to solr.
>
> At this point I have a parser for the Verity Query Language (our used subset)
> which generates a syntax tree.
> I transfer this in a couple of filters and one query. This fragmentation is
> the reason, why I can not use my parser inside solr
> (via QparserPlugin: http://wiki.apache.org/solr/SolrPlugins#QParserPlugin ).
Yeah, I think ideally Solr's query parser infrastructure should have a
capability to create both a main query and additional filters separately. That
was one thing that kind got me hung up on SOLR-839.
Erik
> So lets say that I already have a
> org.apache.lucene.queryParser.core.nodes.QueryNode
>
> What is the proper way to send this to solr?
> 1. serialize to XML and use xml-query-parser for deserialization
> (but support in Solr is not stable:
> https://issues.apache.org/jira/browse/SOLR-839 )
> 2. serialize and deserialize with XStream
> 3. serialize and deserialize with NamedList (like SolrJ does this in the
> other direction)
> 4. other suggestions?
>
> If 1.:
> Does anyone use xml-query-parser with heavy loads?
>
> If 2.:
> Does anyone know why QueryNodeImpl.java lost its serialVersionUID from 3.x to
> 4.x?
> Will it not longer implement Serializable?
>
> If 3.:
> Does anyone used NamedList to sent informations to solr?
> Does anyone used NamedList to represent a QueryNode (or syntax tree)?
>
> Best regards
> Karsten
>
> P.S. An small example why QueryParser is great:
> http://sujitpal.blogspot.com/2011/03/using-lucenes-new-queryparser-framework.html
