Anyone? On Thu, Dec 11, 2014 at 2:53 PM, Glen Newton <glen.new...@gmail.com> wrote: > Is there any reason JoinUtil (below) does not have a 'Query toQuery' > available? I was wanting to filter on the 'to' side as well. I feel I > am missing something here. > > To make sure this is not an XY problem, here is my use case: > > I have a many-to-many relationship. The left, join, and right 'table' > objects are all indexed in the same lucene index, with a field 'type' > to distinguish them. > > I need to do something like this: > select left.name, right.country from left, join, right where > left.type="fooType" and right.type="barType" and join.leftId=left.id > and join.rightId=right.id and left.name="Fred*" and > right.country="Ca*" > > Is JoinUtil the way to go? > Or should I roll my own? > Or am I indexing/using-Lucene incorrectly, thinking relational when > a different way to index or query would be better in an idiomatic > Lucene manner? :-) > > > Thanks, > Glen > > https://lucene.apache.org/core/4_10_2/join/org/apache/lucene/search/join/JoinUtil.html > > public static Query createJoinQuery(String fromField, > boolean multipleValuesPerDocument, > String toField, > Query fromQuery, > IndexSearcher fromSearcher, > ScoreMode scoreMode) > throws IOException
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