On Fri, Jul 31, 2015 at 10:55 AM, Ram N wrote:
>
> Thanks Qingqing for responding. That didn't help. It in fact increased the
> scan time. Looks like a lot of time is being spent on the NestedLoop Join
> than index lookups though I am not sure how to optimize the join.
>
Good news is that optimiz
On Fri, Jul 31, 2015 at 3:06 PM, Matheus de Oliveira <
matioli.math...@gmail.com> wrote:
> CREATE INDEX ON table2 USING gin (tstzrange(start_date, end_date,
> '()'));
The index should be USING GIST, not GIN. Sorry.
--
Matheus de Oliveira
On Thu, Jul 30, 2015 at 4:51 AM, Ram N wrote:
> select sum(a), count(id), a.ts, st from table1 a, table2 b where a.ts >
> b.start_date and a.ts < b.end_date and a.ts > '2015-01-01 20:50:44.00
> +00:00:00' and a.ts < '2015-07-01 19:50:44.00 +00:00:00' group by a.ts,
> st order by a.ts
Yo
Thanks Qingqing for responding. That didn't help. It in fact increased the
scan time. Looks like a lot of time is being spent on the NestedLoop Join
than index lookups though I am not sure how to optimize the join. I am
assuming its in memory join, so I am not sure why it should take such a lot
of