| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> |
| Cc: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Who is a maintainer of GiST code ? |
| Date: | 2000-12-18 21:10:13 |
| Message-ID: | 1642.977173813@sss.pgh.pa.us |
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| Lists: | pgsql-docs pgsql-hackers |
Oleg Bartunov <oleg(at)sai(dot)msu(dot)su> writes:
> We have a problem with
> handling NULL values in GiST. Any thought how NULL values
> are handle in Rtree.
AFAIR, none of the index access methods except btree handle NULLs at
all --- they just ignore NULL values and don't store them in the index.
Feel free to improve on that ;-). The physical representation of index
tuples can handle NULLs, the problem is teaching the index logic where
they should go in the index.
regards, tom lane
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