[jira] [Reopened] (SOLR-15185) Improve "hash" QParser

["Joel Bernstein (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-15185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Joel Bernstein reopened SOLR-15185:
-----------------------------------
      Assignee: Joel Bernstein  (was: David Smiley)

The current impl doesn't create deterministic hashes which causes intermittent test failures. The test failures are infrequent enough that it's likely only non-deterministic with some specific randomized test config. 

Let's open this ticket back up and fix the issue.

> Improve "hash" QParser
> ----------------------
>
>                 Key: SOLR-15185
>                 URL: https://issues.apache.org/jira/browse/SOLR-15185
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: David Smiley
>            Assignee: Joel Bernstein
>            Priority: Major
>             Fix For: main (9.0)
>
>          Time Spent: 1h
>  Remaining Estimate: 0h
>
> * Don't use Filter (to be removed)
> * Do use TwoPhaseIterator, not PostFilter
> * Don't pre-compute matching docs (wasteful)
> * Support more fields, and more field types
> * Faster hash on Strings (avoid Char conversion)
> * Stronger hash when using multiple fields



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