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https://issues.apache.org/jira/browse/SOLR-12546?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16686234#comment-16686234
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Munendra S N commented on SOLR-12546:
-------------------------------------
[~mkhludnev]
Thank you for the feedback
[^SOLR-12546-old.patch]
I have attached an older patch which doesn't handle 3rd case(Hence, no new
public API in ReturnFields). Currently, all other response writers(JSON and XML
at least) return non-stored docvalue true field if specified explicitly with
fl=*(i.e, fl=*,non_stored_doc_field). Without the new public API in
ReturnFields I couldn't find a better way to handle this in CSV response
writer. Also, to handle SOLR-7414 I was thinking of using this. Other than
these cases I can't think of any other cases where this Public API would be
required. I will leave the final call of whether this should be included or
not to you(As my opinion would be biased here)
> CSVResponseWriter doesnt return non-stored field even when docValues is
> enabled, when no explicit fl specified
> --------------------------------------------------------------------------------------------------------------
>
> Key: SOLR-12546
> URL: https://issues.apache.org/jira/browse/SOLR-12546
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: Response Writers
> Affects Versions: 7.2.1
> Reporter: Karthik S
> Priority: Major
> Fix For: 7.2.2
>
> Attachments: SOLR-12546-old.patch, SOLR-12546.patch, SOLR-12546.patch
>
>
> As part of this Jira SOLR-2970, CSVResponseWriter doesn't return fields
> whose stored attribute set to false, but doesnt consider docvalues.
>
> Causing fields whose stored=false and docValues =true are not returned when
> no explicit fl are specified. Behavior must be same as of json/xml response
> writer..
>
> Eg:
> - Created collection with below fields
> <field docValues="true" indexed="true" name="contentid" required="true"
> type="string"/>
> <field docValues="true" indexed="false" multiValued="false" name="testint"
> type="int" stored="false"/>
> <field docValues="true" indexed="false" multiValued="false" name="testlong"
> type="plong" stored="false"/>
>
> <fieldType class="solr.TrieIntField" name="int" positionIncrementGap="0"
> precisionStep="0"/>
> <fieldType name="plong" class="solr.LongPointField" docValues="true"/>
>
>
> - Added few documents
> contentid,testint,testlong
> id,1,56
> id2,2,66
>
> - http://machine:port/solr/testdocvalue/select?q=*:*&wt=json
> [\{"contentid":"id", "_version_":1605281886069850112,
> "timestamp":"2018-07-06T22:28:25.335Z", "testint":1,
> "testlong":56},
> {
> "contentid":"id2", "_version_":1605281886075092992,
> "timestamp":"2018-07-06T22:28:25.335Z", "testint":2,
> "testlong":66}]
>
> - http://machine:port/solr/testdocvalue/select?q=*:*&wt=csv
> "_version_",contentid,timestamp1605281886069850112,id,2018-07-06T22:28:25.335Z1605281886075092992,id2,2018-07-06T22:28:25.335Z
>
>
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