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https://issues.apache.org/jira/browse/LUCENE-6852?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael McCandless updated LUCENE-6852:
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Attachment: LUCENE-6852.patch
Here's an applyable patch of trunk vs the branch, I think it's ready.
The scope on this issue is just to plumb dimensional values through document,
index writer, index reader and codec APIs, but only actually implement it for
SimpleTextCodec. TestDimensionalValues forces SimpleTextCodec and test various
usages (including showing how BigInteger range searching will work), and seems
to pass.
Next phase is to fix the default codec to also implement it ... I'll open a
follow-on issue.
> Add DimensionalFormat to Codec
> ------------------------------
>
> Key: LUCENE-6852
> URL: https://issues.apache.org/jira/browse/LUCENE-6852
> Project: Lucene - Core
> Issue Type: New Feature
> Reporter: Michael McCandless
> Assignee: Michael McCandless
> Fix For: Trunk
>
> Attachments: LUCENE-6852.patch
>
>
> This is phase 2 for adding dimensional indexing in Lucene, so we can
> (eventually) do efficient numeric range filtering, BigInteger/Decimal and
> IPv6 support, and "point in shape" spatial searching (2D or 3D).
> It's the follow-on from LUCENE-6825 (phase 1).
> This issue "just" adds DimensionalFormat (and Reader/Writer) to Codec and the
> IndexReader hierarchy, to IndexWriter and merging, and to document API
> (DimensionalField).
> I also implemented dimensional support for SimpleTextCodec, and added a test
> case showing that you can in fact use SimpleTextCodec to do multidimensional
> shape intersection (seems to pass a couple times!).
> Phase 3 will be adding support to the default codec as well ("just" wrapping
> BKDWriter/Reader), phase 4 is then fixing places that use the
> sandbox/spatial3d BKD tree to use the codec instead and maybe exposing
> sugar for numerics, things like BigInteger/Decimal, etc.
> There are many nocommits still, but I think it's close-ish ... I'll commit to
> a branch and iterate there.
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