Re: Solving sudoku using SQL

From: Jan Urbański <wulczer(at)wulczer(dot)org>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Tatsuo Ishii <ishii(at)postgresql(dot)org>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Solving sudoku using SQL
Date: 2010-12-08 18:02:35
Message-ID: 4CFFC83B.5000306@wulczer.org
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On 08/12/10 18:45, Tom Lane wrote:
> The real fix in my mind is to replace GEQO search with something
> smarter. I wonder what happened to the SA patch that was reported
> on at PGCon.

I got distracted with other things :( I'll try to plan the two queries
with SA and see what the results are. If they're good it'll certainly
raise my motivation on finishing up the module and proposing it.

Cheers,
Jan

PS: https://github.com/wulczer/saio, although it's still ugly as hell :(

J

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