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Posted to dev@lucene.apache.org by "Luca Cavanna (Created) (JIRA)" <ji...@apache.org> on 2012/03/02 16:53:58 UTC
[jira] [Created] (SOLR-3191) field exclusion from fl
field exclusion from fl
-----------------------
Key: SOLR-3191
URL: https://issues.apache.org/jira/browse/SOLR-3191
Project: Solr
Issue Type: Improvement
Reporter: Luca Cavanna
Priority: Minor
I think it would be useful to add a way to exclude field from the Solr response. If I have for example 100 stored fields and I want to return all of them but one, it would be handy to list just the field I want to exclude instead of the 99 fields for inclusion through fl.
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[jira] [Commented] (SOLR-3191) field exclusion from fl
Posted by "Yonik Seeley (Commented) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/SOLR-3191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13221713#comment-13221713 ]
Yonik Seeley commented on SOLR-3191:
------------------------------------
+1, looks great Jan!
> field exclusion from fl
> -----------------------
>
> Key: SOLR-3191
> URL: https://issues.apache.org/jira/browse/SOLR-3191
> Project: Solr
> Issue Type: Improvement
> Reporter: Luca Cavanna
> Priority: Minor
>
> I think it would be useful to add a way to exclude field from the Solr response. If I have for example 100 stored fields and I want to return all of them but one, it would be handy to list just the field I want to exclude instead of the 99 fields for inclusion through fl.
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[jira] [Commented] (SOLR-3191) field exclusion from fl
Posted by "Jan Høydahl (Commented JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/SOLR-3191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13221533#comment-13221533 ]
Jan Høydahl commented on SOLR-3191:
-----------------------------------
I think by definition a field name cannot start with "-" since even the Lucene query syntax must support the alternative NOT syntax {{-inStock:true}}. I therefore think we should borrow this syntax over here, just as we are doing for dismax {{uf}} in SOLR-3026. It should be easy enough to parse.
Examples:
{noformat}
q=foo&fl=-title # All fields except title (include * is implicit)
q=foo&fl=-title,-body # All fields except title and body
q=foo&fl=-*_s # All fields except those matching *_s pattern
q=foo&fl=foo,-bar # Would be the same as saying only &fl=foo, since an explicit field resets the list
q=foo&fl=-bar,foo # same as above. Order not important?
q=foo&fl=-foo,foo # same as above. Probably all the exclude fields should be parsed last and override positive?
q=foo&fl=*,-title # same as only -title as * is implicit include when only exclude fields listed?
q=foo&fl=-* # Hmm, makes no sense, if you're not returning anything you should ask for rows=0 ??
q=foo&fl=*z,-*xyz # Include all fields ending in "z" except those ending in "xyz", negative rule applied last
{noformat}
> field exclusion from fl
> -----------------------
>
> Key: SOLR-3191
> URL: https://issues.apache.org/jira/browse/SOLR-3191
> Project: Solr
> Issue Type: Improvement
> Reporter: Luca Cavanna
> Priority: Minor
>
> I think it would be useful to add a way to exclude field from the Solr response. If I have for example 100 stored fields and I want to return all of them but one, it would be handy to list just the field I want to exclude instead of the 99 fields for inclusion through fl.
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[jira] [Commented] (SOLR-3191) field exclusion from fl
Posted by "Luca Cavanna (Commented) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/SOLR-3191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13221006#comment-13221006 ]
Luca Cavanna commented on SOLR-3191:
------------------------------------
I previously left a comment on the SOLR-2444 asking if we can add an exclusion syntax there, but I'm honestly afraid of that now, given also the SOLR-2719 regression.
I was thinking to keep it simple, for example using a new parameter like fl.ex or something, may I know what are your thoughts?
> field exclusion from fl
> -----------------------
>
> Key: SOLR-3191
> URL: https://issues.apache.org/jira/browse/SOLR-3191
> Project: Solr
> Issue Type: Improvement
> Reporter: Luca Cavanna
> Priority: Minor
>
> I think it would be useful to add a way to exclude field from the Solr response. If I have for example 100 stored fields and I want to return all of them but one, it would be handy to list just the field I want to exclude instead of the 99 fields for inclusion through fl.
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[jira] [Commented] (SOLR-3191) field exclusion from fl
Posted by "Luca Cavanna (Commented) (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/SOLR-3191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13221855#comment-13221855 ]
Luca Cavanna commented on SOLR-3191:
------------------------------------
Thanks for your feedbacks!
I had thought about the same solution too...I was just afraid of adding complexity to the new fl syntax, but if you think that's the way to go, great, and I'd like to contribute on this!
My concern is just about SOLR-2719. Don't you think we should correct it and add some kind of consistency before adding new features? What do you think about adding some kind of validation for field names? Shall we open a new issue for that?
> field exclusion from fl
> -----------------------
>
> Key: SOLR-3191
> URL: https://issues.apache.org/jira/browse/SOLR-3191
> Project: Solr
> Issue Type: Improvement
> Reporter: Luca Cavanna
> Priority: Minor
>
> I think it would be useful to add a way to exclude field from the Solr response. If I have for example 100 stored fields and I want to return all of them but one, it would be handy to list just the field I want to exclude instead of the 99 fields for inclusion through fl.
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