Horton

Re: [POC] hash partitioning

Dilip Kumar <dilipbalaut@gmail.com>

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From: Dilip Kumar <dilipbalaut@gmail.com>
To: amul sul <sulamul@gmail.com>
Cc: Ashutosh Bapat <ashutosh.bapat@enterprisedb.com>, Robert Haas <robertmhaas@gmail.com>, Yugo Nagata <nagata@sraoss.co.jp>, David Steele <david@pgmasters.net>, Greg Stark <stark@mit.edu>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2017-05-18T16:09:03Z
Lists: pgsql-hackers 
On Wed, May 17, 2017 at 2:07 PM, amul sul <sulamul@gmail.com> wrote:
>> I would suggest "non-zero positive", since that's what we are using in
>> the documentation.
>>
>
> Understood, Fixed in the attached version.

Why non-zero positive?  We do support zero for the remainder right?

-- 
Regards,
Dilip Kumar
EnterpriseDB: http://www.enterprisedb.com

Commits

  1. Refactor get_partition_for_tuple a bit.

  2. Adopt Bob Jenkins' improved hash function for hash_any(). This changes the

  3. Improve hash_any() to use word-wide fetches when hashing suitably aligned