Re: [HACKERS] LZ compressing data type

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От wieck@debis.com (Jan Wieck)
Тема Re: [HACKERS] LZ compressing data type
Дата
Msg-id m11oQRW-0003kGC@orion.SAPserv.Hamburg.dsh.de
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Ответ на Re: [HACKERS] LZ compressing data type  (Tom Lane <tgl@sss.pgh.pa.us>)
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Tom Lane wrote:

> There are patents related to databases.  Shall we therefore shut down
> Postgres development and run screaming for the hills?  If we let
> ourselves be intimidated by irrelevant patents, the Microsofts and
> Unisyses will win without a fight.

    It's  definitely  a LZ77 coder, and this technique is used in
    many other compressors too (lha, arj, zlib, gzip, ...). So  I
    don't think we have to fear anything.


Jan

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