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From Jan Høydahl (JIRA) <>
Subject [jira] [Commented] (SOLR-13213) Search Components cannot modify "shards" parameter
Date Mon, 04 Feb 2019 23:13:00 GMT


Jan Høydahl commented on SOLR-13213:

Yea, I first tried to move the shardHandler init below prepare but that broke some logic in
DebugComponent. And even if tests pass by prepping isDistrib, I guess that custom stuff may
assume som order. Although the type og logic (change some query params, amend the result)
is perfect for SearchComponent, I may agree with you that due to the chicken/egg nature of
isDistrib it may be safer to set this in a custom SearchHandler, although that beast is not
as nicely extensible as components, i.e. the handleRequestBody is one huge code block. I'll
try and if successful I'll close this jira.

> Search Components cannot modify "shards" parameter
> --------------------------------------------------
>                 Key: SOLR-13213
>                 URL:
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: search
>            Reporter: Jan Høydahl
>            Assignee: Jan Høydahl
>            Priority: Major
>             Fix For: 8.x
>          Time Spent: 10m
>  Remaining Estimate: 0h
> When creating a custom search component for a customer, I realised that modifying "shards"
parameter in {{prepare()}} is not possible since in {{SearchHandler}}, the {{ShardHandler}} is
initialised based on "shards" parameter just *before* search components are consulted.

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