Michael McCandless created LUCENE-6852:
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Summary: 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
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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