[jira] [Commented] (LUCENE-8899) Implementation of MultiTermQuery for ORed Queries

["Atri Sharma (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/LUCENE-8899?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16877154#comment-16877154 ] 

Atri Sharma commented on LUCENE-8899:
-------------------------------------

The way I am thinking of this is by using the fact that MultiTermQueryConstantScoreWrapper will always convert to a BooleanQuery with each clause as SHOULD. So it should be a simple matter to use that logic. The main change will be introduction of a new TermsEnum implementation which can filter the input terms based on a filter built from the terms list given in the query.

 

Does this seem like a reasonable approach?

> Implementation of MultiTermQuery for ORed Queries
> -------------------------------------------------
>
>                 Key: LUCENE-8899
>                 URL: https://issues.apache.org/jira/browse/LUCENE-8899
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Atri Sharma
>            Priority: Major
>
> While working on multi range queries, I realised that it would be good to specialize for cases where all clauses in a query are ORed together. MultiTermQuery springs to mind, when all terms are basically disjuncted.



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