Re: has anyone looked at burstsort ? - Mailing list pgsql-hackers

From Tom Lane
Subject Re: has anyone looked at burstsort ?
Date
Msg-id 22057.1184340078@sss.pgh.pa.us
Whole thread Raw
In response to Re: has anyone looked at burstsort ?  (Gregory Stark <stark@enterprisedb.com>)
Responses Re: has anyone looked at burstsort ?  (Alvaro Herrera <alvherre@commandprompt.com>)
List pgsql-hackers
Gregory Stark <stark@enterprisedb.com> writes:
> The key to the algorithm is that it uses a trie to bin rows with common
> leading prefixes together. This avoids performing redundant comparisons
> between those columns later.

Interesting, but doesn't that make it utterly useless for sorting in
non-C locales?

I'm not that thrilled with introducing datatype-specific paths into the
sort code anyway; seems like a maintenance nightmare.
        regards, tom lane


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