Re: [HACKERS] LZ compressing data type

From: wieck(at)debis(dot)com (Jan Wieck)
To: tgl(at)sss(dot)pgh(dot)pa(dot)us (Tom Lane)
Cc: pjw(at)rhyme(dot)com(dot)au, wieck(at)debis(dot)com, grim(at)argh(dot)demon(dot)co(dot)uk, pgsql-hackers(at)postgreSQL(dot)org
Subject: Re: [HACKERS] LZ compressing data type
Date: 1999-11-18 12:13:38
Message-ID: m11oQRW-0003kGC@orion.SAPserv.Hamburg.dsh.de
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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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