From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
---|---|
To: | Márcio A(dot) Sepp <marcio(at)zyontecnologia(dot)com(dot)br> |
Cc: | 'pgsql-general' <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: RES: help with generation_series in pg10 |
Date: | 2018-01-09 16:23:57 |
Message-ID: | 20180109162357.nyd2jlw3l33rd3hs@alvherre.pgsql |
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Lists: | pgsql-general |
Márcio A. Sepp wrote:
> > There is a generate_series() variant that can return dates (more
> > precisely, timestamp with time zone). But what exactly would you like
> > returned?
>
> In the past i use querys like this to generate some timestamp field:
> select generate_series (1, 10), generate_series('2018-01-01
> 10:00'::timestamp, '2018-01-02 10:00'::timestamp, '10 hours');
>
>
> in some case I need to order the timestamp data field and in others I just
> need an interval. So, in some moments an random data already help me and in
> others it is necessary to have both fields aligned.
Maybe something like this
select *
from generate_series(date '2018-01-01 10:00', '2018-01-02 10:00', '10 hours')
with ordinality;
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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