Christophe Escobar writes:
> I have some performance issues when trying to fetch rows from the table
> with a specific query, I suspect the planner to choose the wrong index
> because of the limit.
> ...
> 1) Why is the planner changing index scanning at the threshold of 45 for
> the LIMIT ?
That
On Mon, Dec 19, 2016 at 12:05 PM, Christophe Escobar <
christophe.e...@gmail.com> wrote:
> Hi,
>
> I am using PostgreSQL 9.4.8 on x86_64-unknown-linux-gnu, compiled by gcc
> (Debian 4.9.2-10) 4.9.2, 64-bit.
>
> I have a notification table with about ~45 000 000 rows.
>
> I have some performance is