[GitHub] [lucene-solr] rmuir commented on pull request #2427: LUCENE-9810: Hunspell: when generating suggestions, skip too deep word FST subtrees

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rmuir commented on pull request #2427:
URL: https://github.com/apache/lucene-solr/pull/2427#issuecomment-785218829


   I'm not very familiar with the suggester here, but when I see optimizations like this, it reminds me of automata intersection with lucene's term dictionary (think wildcard/regex pattern queries, levenshtein fuzzy queries, and the like). Lucene's term dictionary has "next"/"advance" so it is basically an FSTEnum.
   
   Maybe some tricks from that logic can give you ideas? https://github.com/apache/lucene-solr/blob/master/lucene/core/src/java/org/apache/lucene/index/AutomatonTermsEnum.java


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