Horton

Re: WIP: BRIN multi-range indexes

Tomas Vondra <tomas.vondra@2ndquadrant.com>

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From: Tomas Vondra <tomas.vondra@2ndquadrant.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Mark Dilger <hornschnorter@gmail.com>, Alvaro Herrera <alvherre@alvh.no-ip.org>, pgsql-hackers@postgreSQL.org
Date: 2018-02-06T00:25:00Z
Lists: pgsql-hackers 
On 02/06/2018 12:40 AM, Tom Lane wrote:
> Tomas Vondra <tomas.vondra@2ndquadrant.com> writes:
>> Yeah, that's what I've been wondering about too. There's also this
>> comment in nabstime.h:
> 
>> /*
>>  * Although time_t generally is a long int on 64 bit systems, these two
>>  * types must be 4 bytes, because that's what pg_type.h assumes. They
>>  * should be yanked (long) before 2038 and be replaced by timestamp and
>>  * interval.
>>  */
> 
>> But then why adding BRIN opclasses at all? And if adding them, why not
>> to test them? We all know how long deprecation takes, particularly for
>> data types.
> 
> There was some pretty recent chatter about removing these types;
> IIRC Andres was annoyed about their lack of overflow checks.
> 
> I would definitely vote against adding any BRIN support for these
> types, or indeed doing any work on them at all other than removal.
> 

Works for me. Ripping out the two opclasses from the patch is trivial.


regards

-- 
Tomas Vondra                  http://www.2ndQuadrant.com
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Commits

  1. BRIN minmax-multi indexes

  2. BRIN bloom indexes

  3. Support the old signature of BRIN consistent function

  4. Remove unnecessary pg_amproc BRIN minmax entries

  5. Optimize allocations in bringetbitmap

  6. Move IS [NOT] NULL handling from BRIN support functions

  7. Pass all scan keys to BRIN consistent function at once

  8. Properly detoast data in brin_form_tuple