Am 29.08.2018 um 05:31 schrieb David:
For now, I can bypass the GIST index by avoiding range operators in my
queries. But why is the GIST index so slow?
your GiST-Index contains (member_id,group_id,valid_period), but your
query is only on the latter 2 fields.
test=*# create index test_in
Am 29.08.2018 um 12:50 schrieb Andreas Kretschmer:
Okay, other solution. The problem is the nested loop, we can disable
that:
oh, i used PG 10, this time 9.5:
test=# explain analyse SELECT *
FROM app
JOIN group_span ON
app.group_id = group_span.group_id AND
app.app_time <@ group_span.v
Thanks for your help investigating this! Follow-up below:
On Wed, Aug 29, 2018 at 7:25 AM, Andreas Kretschmer wrote:
>
> Okay, other solution. The problem is the nested loop, we can disable that:
>>
> test=*# set enable_nestloop to false;
Is it OK to keep this off permanently in production? I t
Am 29.08.2018 um 20:10 schrieb David:
On Wed, Aug 29, 2018 at 7:25 AM, Andreas Kretschmer
mailto:andr...@a-kretschmer.de>> wrote:
Okay, other solution. The problem is the nested loop, we can
disable that:
test=*# set enable_nestloop to false;
Is it OK to keep this of