Can I get a document from its Lucene ID?

[Alexandre Rafalovitch <ar...@gmail.com>]

Because I get this error message and not sure what the next step is:
"child query must only match non-parent docs, but parent docID=38200
matched childScorer=class
org.apache.lucene.search.DisjunctionSumScorer"

I understand that 38200 is transient and all that, but can I get a
document by it right now? Via a Solr query (and not - say - Luke).

I know I could display it with [docid] transformer and I could sort by
_docid_ secret field, but I can't see a way to search or limit by that
id. Is there something obvious I missed? Or is the error like in that
jokes about Sherlock Holmes and the air balloon?

Regards,
   Alex.
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Re: Can I get a document from its Lucene ID?

[Yonik Seeley <ys...@gmail.com>]

On Fri, Sep 16, 2016 at 9:23 AM, Alexandre Rafalovitch
<ar...@gmail.com> wrote:
> Because I get this error message and not sure what the next step is:
> "child query must only match non-parent docs, but parent docID=38200
> matched childScorer=class
> org.apache.lucene.search.DisjunctionSumScorer"
>
> I understand that 38200 is transient and all that, but can I get a
> document by it right now? Via a Solr query (and not - say - Luke).
>
> I know I could display it with [docid] transformer and I could sort by
> _docid_ secret field, but I can't see a way to search or limit by that
>  id.

I can't think of a way either... it might be useful to make _docid_
more of a legit pseudo-field (returnable, usable in a function query,
etc)

-Yonik