I have been looking if it is possible to do a GROUP BY filter on Zend Lucene search results similar to MySQL so that if it returns some rows that have the same specified field, it will only return it is 1 row.
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I have been looking if it is possible to do a GROUP BY filter on Zend Lucene search results similar to MySQL so that if it returns some rows that have the same specified field, it will only return it is 1 row.
I am not sure about Zend, but in Lucene/Solr world this feature is called “field collapsing”.
A few pointers: