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From Mikhail Khludnev <>
Subject Re: Question About FST, multiple-column index
Date Fri, 21 Sep 2018 07:40:06 GMT
No way. And this is the point. To have combined index you need to combine
fields concatenating terms. It will be faster but it brings much other
hurdles. Do you think that this is the real problem? What's the search time
now and how do you  search exactly?

On Thu, Sep 20, 2018 at 5:57 PM lyé“– <> wrote:

> Hi,
> When I using Lucene as a Full Text search engine, I have a question about
> multi field index. For example, We have two fields: user, age. We always
> want to search one user which name is "xxx" and with the exactly age. So we
> add two fields to the lucene(may be there is better ways, I just want to
> explain my question ). In this case, we can see user result dataset is
> small, age result dataset is much more than previous. Even If lucene use
> Leading Query to reduce query result bitsets. but I wonder is there any
> Combined Index structure like multiple-column indexes in mysql? I think is
> there any solutions to extends to FST which make the FINAL state connect to
> another FST?

Sincerely yours
Mikhail Khludnev

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