Re: [HACKERS] TODO item: Implement Boyer-Moore searching (First time hacker)

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От Tom Lane
Тема Re: [HACKERS] TODO item: Implement Boyer-Moore searching (First time hacker)
Дата
Msg-id 27645.1220635769@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Re: [HACKERS] TODO item: Implement Boyer-Moore searching (First time hacker)  (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>)
Ответы Re: [HACKERS] TODO item: Implement Boyer-Moore searching (First time hacker)  (Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>)
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Heikki Linnakangas <heikki.linnakangas@enterprisedb.com> writes:
> Also, it would be nice to use B-M(-H) for LIKE as well.

Right offhand, that seems impossible, at least in patterns with %.
Or were you thinking of trying to separate out the fixed substrings
of a pattern and search for them with BMH?

Anyway, it's not material for this patch, since it'd involve pretty
fundamental redesign of the LIKE code.

            regards, tom lane

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