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As a user, when I write a search query as a space-separated list of n words, I expect to see documents which contain all of those words (or synonyms). I absolutely don't want to see documents which contain only n-1 of the specified words. I know exactly what I want, and the reason I've added the last word to the query is that there were too many generic, boring, irrelevant results without it.

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You completely misunderstood what this project does. This kind of libraries do not force you to return results in a specific way. Generally they allow the programmer to customize how the results are scored and chosen.

I don't think he misunderstood anything.

There's the kind of library Lucene wants to be, a configurable library. But there are other libraries do not want that.

In this case, Datalevin is a database system, full-text search is just but a feature, I do not want users to configure full-text search in Datalevin as much as they like in Lucene. I want the default to be good, which Lucene's is not.

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