A comparable alternative would be to use the edge ngram filter to index
prefixes instead.
Erik
> On Sep 3, 2021, at 10:49 AM, Gauthier Roebroeck
> <gauthier.roebro...@gmail.com> wrote:
>
> Hello,
>
> I am using Apache Lucene 8.9.0 to parse queries that are entered by humans.
> I am using the
> `org.apache.lucene.queryparser.classic.MultiFieldQueryParser` which works
> very well so far.
>
> However I would like to automatically use the prefix notation (`*`) for all
> terms in the query, instead of searching for exact terms, so the humans
> entering the queries don't have to type the `*` after each term.
>
> An example query could be: `author:(murphy OR remender) AND batman AND
> release_date:1999`, which should be transformed to `author:(murphy* OR
> remender*) AND batman* AND release_date:1999*`.
>
> Is there any way to do this with the Lucene query parsers ? I checked the
> classic and standard query parser, but couldn't find any option to do so.
>
> If there was a way to decide which fields could automatically be prefixed,
> that would be even better.
>
> Thanks a lot
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