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Re: Building infrastructure for B-Tree deduplication that recognizeswhen opclass equality is also equivalence - Mailing list pgsql-hackers

From Robert Haas
Subject Re: Building infrastructure for B-Tree deduplication that recognizeswhen opclass equality is also equivalence
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Msg-id CA+TgmoZQ1R-zyMbYK3CafKkWYVnxnJti21WQbiuu0cf1daRMEA@mail.gmail.com
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In response to Re: Building infrastructure for B-Tree deduplication that recognizeswhen opclass equality is also equivalence  (Anastasia Lubennikova <a.lubennikova@postgrespro.ru>)
Responses Re: Building infrastructure for B-Tree deduplication that recognizeswhen opclass equality is also equivalence  (Anastasia Lubennikova <a.lubennikova@postgrespro.ru>)
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On Tue, Dec 24, 2019 at 7:29 AM Anastasia Lubennikova
<a.lubennikova@postgrespro.ru> wrote:
> We can make this 'opcisbitwise' parameter enum (or char) instead of
> boolean to mark
> "always bitwise", "never bitwise" and "maybe bitwise". Though, I doubt
> if it will be helpful in any real use case.

What would be the difference between "never bitwise" and "maybe
bitwise" in that scheme?

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

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