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From "Shawn Heisey (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-4493) Search all fields (possibly with *:searchtext syntax)
Date Sat, 23 Feb 2013 15:02:12 GMT

    [ https://issues.apache.org/jira/browse/SOLR-4493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13585136#comment-13585136
] 

Shawn Heisey commented on SOLR-4493:
------------------------------------

It may be beneficial to log a message at WARNING whenever the feature is used, saying that
searching all fields causes performance problems.  A few thousand of those messages in a user's
log might make them think twice about it. :)

I did search Jira for a previous issue on this topic before filing this one.

                
> Search all fields (possibly with *:searchtext syntax)
> -----------------------------------------------------
>
>                 Key: SOLR-4493
>                 URL: https://issues.apache.org/jira/browse/SOLR-4493
>             Project: Solr
>          Issue Type: Wish
>          Components: search
>            Reporter: Shawn Heisey
>
> Someone came into the #solr IRC channel wanting some help with duplicating their Lucene
work in Solr.  One of the things they are doing in Lucene is finding all searchable fields
and constructing a boolean query against all of those fields for their search text.  They
said that they had asked in #elasticsearch about this and gotten an affirmative answer as
to whether they could use *:searchtext to search all fields in that program.
> I have seen this exact question come up a few times in IRC and the mailing list.  I know
that if this feature is implemented, it will likely be a performance killer, and thus it's
not really a good idea to actually use in production, but we have a couple of reasons for
doing it: 1) The competition does it. 2) Users keep asking how to do it.

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