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https://issues.apache.org/jira/browse/SOLR-2996?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yonik Seeley updated SOLR-2996:
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Attachment: SOLR-2996.patch
How about this patch? No grammar modification required.
> make "q=*" not suck in the lucene and edismax parsers
> -----------------------------------------------------
>
> Key: SOLR-2996
> URL: https://issues.apache.org/jira/browse/SOLR-2996
> Project: Solr
> Issue Type: Improvement
> Components: query parsers
> Reporter: Hoss Man
> Attachments: SOLR-2996.patch
>
>
> More then a few users have gotten burned by thinking that "{{\*}}" is the
> appropriate syntax for "match all docs" when what it really does (unless i'm
> mistaken) is create a prefix query on the default search field using a blank
> string as the prefix.
> since it seems very unlikely that anyone has a genuine usecase for making a
> prefix query with a blank prefix, we should change the default behavior of
> the LuceneQParser and EDismaxQParsers (and any other Qparsers that respect
> {{\*:\*}} if i'm forgetting them) to treat this situation the same as
> {{\*:\*}}. we can offer a (local)param to force the old behavior if someone
> really wants it.
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