Another Word For It Patrick Durusau on Topic Maps and Semantic Diversity

January 14, 2012

ToChildBlockJoinQuery in Lucene

Filed under: Lucene,Search Engines — Patrick Durusau @ 7:34 pm

ToChildBlockJoinQuery in Lucene .

Mike McCandless writes:

In my last post I described a known limitation of BlockJoinQuery: it joins in only one direction (from child to parent documents). This can be a problem because some applications need to join in reverse (from parent to child documents) instead.

This is now fixed! I just committed a new query, ToChildBlockJoinQuery, to perform the join in the opposite direction. I also renamed the previous query to ToParentBlockJoinQuery.

This will included in Lucene 3.6.0 and 4.0.

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