[ https://issues.apache.org/jira/browse/SO
LR-139?page=com.atlassian.jira.plugin.system.issuetabpanels:
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Ryan McKinley commented on SOLR-139:
------------------------------------
>
> ... avoid touching the less-modified/bigger fields ...
>
aaah, perhaps a future updateHandler getDocument() function
could take a list of fields it should extract. Still
problems with what to do when you add it.. maybe it checks
if anything has changed in the less-modified index? I see
your point.
>> What are you thinking? Adding the processor as a
parameter to AddUpdateCommand?
>
> I didn't have a clear alternative... I was just
pointing out the future pitfalls of assuming too much
implementation knowledge.
>
I am fine either way -- in the UpdateHandler or the
Processors.
Request plumbing-wise, it feels the most natural in a
processor. But if we rework the AddUpdateCommand it could
fit there too. I don't know if it is an advantage or
disadvantage to have the 'modify' parameters tied to the
command or the parameters. either way has its +-, with no
real winner (or loser) IMO
In the end, I want to make sure that I never need a custom
UpdateHandler (80% is greek to me), but can easily change
the 'modify' logic.
> Support updateable/modifiable documents
> ---------------------------------------
>
> Key: SOLR-139
> URL: https:
//issues.apache.org/jira/browse/SOLR-139
> Project: Solr
> Issue Type: Improvement
> Components: update
> Reporter: Ryan McKinley
> Assignee: Ryan McKinley
> Attachments:
SOLR-139-IndexDocumentCommand.patch,
SOLR-139-IndexDocumentCommand.patch,
SOLR-139-IndexDocumentCommand.patch,
SOLR-139-IndexDocumentCommand.patch,
SOLR-139-IndexDocumentCommand.patch,
SOLR-139-IndexDocumentCommand.patch,
SOLR-139-IndexDocumentCommand.patch,
SOLR-139-IndexDocumentCommand.patch,
SOLR-139-IndexDocumentCommand.patch,
SOLR-139-IndexDocumentCommand.patch,
SOLR-139-IndexDocumentCommand.patch,
SOLR-139-ModifyInputDocuments.patch,
SOLR-139-ModifyInputDocuments.patch,
SOLR-139-XmlUpdater.patch,
SOLR-269+139-ModifiableDocumentUpdateProcessor.patch
>
>
> It would be nice to be able to update some fields on a
document without having to insert the entire document.
> Given the way lucene is structured, (for now) one can
only modify stored fields.
> While we are at it, we can support incrementing an
existing value - I think this only makes sense for numbers.
> for background, see:
> http://www.nabble.com/loading-many-doc
uments-by-ID-tf3145666.html#a8722293
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