AnalyzingInfixSuggester does not use an FST; it uses a Lucene index.
It's faster because 1) it indexes leading ngrams (up to 4 characters by
default) so that short suggestions map to a TermQuery (longer suggestions
still use PrefixQuery), which is much faster than PrefixQuery, but also 2)
it uses
hi,
When using AnalyzingInfixSuggestor, the suggest performance is faster than
the prefix query. How AnalyzingInfixSuggestor is faster than prefixQuery?
Is FST constructed in different way for AnalyzingInfixSuggestor? Or any
other reason?
Thanks.
