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https://issues.apache.org/jira/browse/SOLR-1566?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13004227#comment-13004227
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Ryan McKinley commented on SOLR-1566:
-------------------------------------
I just added a path that *almost* works. Rather then bang my head on it some
more, i think some feedback would be great.
Originally, I hoped to clean up the ResponeWriter mess, and make a single place
that would 'augment' docs -- but there are *so* many micro optimizations for
each format that approach seems difficult.
Instead I went for an approach the moves Set<String> returnFields to a class
that knows more then just a list of strings. This holds an augmenter that can
add to SolrDocument or write to the response.
Now you can make a request like:
http://localhost:8983/solr/select?q=*:*&fl=id,score,_docid_,_shard
and get back a response
{code}
"response":{"numFound":17,"start":0,"maxScore":1.0,"docs":[
{
"id":"GB18030TEST",
"score":1.0,
"_docid_":0,
"_shard_":"getshardid???"},
{
"id":"SP2514N",
"score":1.0,
"_docid_":1,
"_shard_":"getshardid???"},
{
"id":"6H500F0",
"features":[
"SATA 3.0Gb/s, NCQ",
"8.5ms seek",
"16MB cache"],
"score":1.0,
"_docid_":2,
"_shard_":"getshardid???"},
...
{code}
right now, _docid_ just returns the lucene docid, and _shard_ returns a
constant string saying "getshardid???"
The distributed tests (BasicDistributedZkTest, and TestDistributedSearch) don't
pass, but everything else does. I will wait for general feedback before trying
to track that down.
Also looking at SOLR-1298, I would love some feedback on how we could read
function queries and ideally used ones that are already defined elsewhere.
feedback welcome!
> Allow components to add fields to outgoing documents
> ----------------------------------------------------
>
> Key: SOLR-1566
> URL: https://issues.apache.org/jira/browse/SOLR-1566
> Project: Solr
> Issue Type: New Feature
> Components: search
> Reporter: Noble Paul
> Assignee: Grant Ingersoll
> Fix For: Next
>
> Attachments: SOLR-1566-gsi.patch, SOLR-1566-rm.patch,
> SOLR-1566-rm.patch, SOLR-1566-rm.patch, SOLR-1566-rm.patch,
> SOLR-1566-rm.patch, SOLR-1566.patch, SOLR-1566.patch, SOLR-1566.patch,
> SOLR-1566.patch
>
>
> Currently it is not possible for components to add fields to outgoing
> documents which are not in the the stored fields of the document. This makes
> it cumbersome to add computed fields/metadata .
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