Re: Parallel Bitmap scans a bit broken

From: Dilip Kumar <dilipbalaut(at)gmail(dot)com>
To: David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Robert Haas <robertmhaas(at)gmail(dot)com>
Subject: Re: Parallel Bitmap scans a bit broken
Date: 2017-03-09 16:07:25
Message-ID: CAFiTN-vZGY-307qh6CPAMpt-1VmM20Jv+8MSyAo-Ut-dTKnfNg@mail.gmail.com
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On Thu, Mar 9, 2017 at 9:17 PM, David Rowley
<david(dot)rowley(at)2ndquadrant(dot)com> wrote:
> patch with [1]
>
> =# create table r1(value int);
> CREATE TABLE
> =# insert into r1 select (random()*1000)::int from
> generate_Series(1,1000000);
> INSERT 0 1000000
> =# create index on r1 using brin(value);
> CREATE INDEX
> =# set enable_seqscan=0;
> SET
> =# explain select * from r1 where value=555;

I am looking into the issue, I have already reproduced it. I will
update on this soon.

Thanks for reporting.

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

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