Shai Erera created LUCENE-5189:
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Summary: Numeric DocValues Updates
Key: LUCENE-5189
URL: https://issues.apache.org/jira/browse/LUCENE-5189
Project: Lucene - Core
Issue Type: New Feature
Components: core/index
Reporter: Shai Erera
Assignee: Shai Erera
In LUCENE-4258 we started to work on incremental field updates, however the
amount of changes are immense and hard to follow/consume. The reason is that we
targeted postings, stored fields, DV etc., all from the get go.
I'd like to start afresh here, with numeric-dv-field updates only. There are a
couple of reasons to that:
* NumericDV fields should be easier to update, if e.g. we write all the values
of all the documents in a segment for the updated field (similar to how
livedocs work, and previously norms).
* It's a fairly contained issue, attempting to handle just one data type to
update, yet requires many changes to core code which will also be useful for
updating other data types.
* It has value in and on itself, and we don't need to allow updating all the
data types in Lucene at once ... we can do that gradually.
I have some working patch already which I'll upload next, explaining the
changes.
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