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https://issues.apache.org/jira/browse/SOLR-2444?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13016095#comment-13016095
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Yonik Seeley commented on SOLR-2444:
------------------------------------

Random thought about augmenter parameter syntax (when it's actually needed)... 
what about reusing most of localParams syntax, but change {!stuff} to [stuff]?  
This would give us named parameters, param dereferencing, and allow passing 
something like SolrParams to an augmenter, which is probably easier for most 
people to deal with than parsing themselves?

So instead of this:
{code}
titlehl:[_hl_:title]
{code}

We could have this:
{code}
titlehl:[_hl_ f=title]
{code}

Which would then easily allow multiple params like this:
{code}
titlehl:[_hl_ f=title snippets=3 fragsize=800]
{code}

Just a note, I'm making good progress on supporting all common object types in 
function queries, so basic literals won't need any transformer syntax and you 
should be able to just do stuff like
{code}
 fl=mystr:'hello',myint:10, myfloat:25.5
{code}

> Update fl syntax to support: pseudo fields, AS, transformers, and wildcards
> ---------------------------------------------------------------------------
>
>                 Key: SOLR-2444
>                 URL: https://issues.apache.org/jira/browse/SOLR-2444
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Ryan McKinley
>         Attachments: SOLR-2444-fl-parsing.patch, SOLR-2444-fl-parsing.patch
>
>
> The ReturnFields parsing needs to be improved.  It should also support 
> wildcards

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