On 27 October 2017 at 07:20, Robert Haas <robertmhaas@gmail.com> wrote:
> On Thu, Oct 19, 2017 at 10:15 PM, Tomas Vondra
> <tomas.vondra@2ndquadrant.com> wrote:
>> Let's see a query like this:
>>
>> select * from bloom_test
>> where id = '8db1d4a6-31a6-e9a2-4e2c-0e842e1f1772';
>>
>> The minmax index produces this plan
>>
>> Heap Blocks: lossy=2061856
>> Execution time: 22707.891 ms
>>
>> Now, the bloom index:
>>
>> Heap Blocks: lossy=25984
>> Execution time: 338.946 ms
>
> It's neat to see BRIN being extended like this. Possibly we could
> consider making it a contrib module rather than including it in core,
> although I don't have strong feelings about it.
I see that SP-GIST includes two operator classes in core, one default.
Makes sense to do the same thing with BRIN and add this new op class
as a non-default option in core.
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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