Re: Problem with default partition pruning

From: Ibrar Ahmed <ibrar(dot)ahmad(at)gmail(dot)com>
To: pgsql-hackers(at)lists(dot)postgresql(dot)org
Subject: Re: Problem with default partition pruning
Date: 2019-03-04 17:36:40
Message-ID: CALtqXTdonzDJEMPKf-M5OxRx64G3=oYXsunuxaVJc=uSs4oWWg@mail.gmail.com
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Hi Yuzuko Hosoya,

Ignore my last message, I think this is also a legitimate scan on default
partition.

On Mon, Mar 4, 2019 at 10:29 PM Ibrar Ahmed <ibrar(dot)ahmad(at)gmail(dot)com> wrote:

> Hi
>
> Patch work fine to me, but I have one test case where default partition
> still scanned.
>
> postgres=# explain select * from test1 where (id < 10) and true;
> QUERY PLAN
> -------------------------------------------------------------------
> Append (cost=0.00..55.98 rows=846 width=36)
> -> Seq Scan on test1_1 (cost=0.00..25.88 rows=423 width=36)
> Filter: (id < 10)
> -> Seq Scan on test1_def (cost=0.00..25.88 rows=423 width=36)
> Filter: (id < 10)
> (5 rows)

--
Ibrar Ahmed

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