Re: gsoc, text search selectivity and dllist enhancments

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Jan Urbański <j(dot)urbanski(at)students(dot)mimuw(dot)edu(dot)pl>
Cc: Heikki Linnakangas <heikki(at)enterprisedb(dot)com>, Postgres - Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: gsoc, text search selectivity and dllist enhancments
Date: 2008-07-08 22:43:19
Message-ID: 17467.1215556999@sss.pgh.pa.us
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=?UTF-8?B?SmFuIFVyYmHFhHNraQ==?= <j(dot)urbanski(at)students(dot)mimuw(dot)edu(dot)pl> writes:
> Do you think it's worthwhile to implement the LC algorithm in C and send
> it out, so others could try it out? Heck, maybe it's worthwhile to
> replace the current compute_minimal_stats() algorithm with LC and see
> how that compares?

Very possibly. I repeat that the current implementation of
compute_minimal_stats is very ad-hoc code and wasn't written with an eye
to high performance. Replacing it with an algorithm that someone
actually thought about might well be worth doing.

regards, tom lane

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