| From: | "Loredana Curugiu" <loredana(dot)curugiu(at)gmail(dot)com> |
|---|---|
| To: | pgsql-novice(at)postgresql(dot)org |
| Subject: | Count rows group by time intervals |
| Date: | 2007-05-09 12:07:37 |
| Message-ID: | 1c23c8e70705090507m717925b7rf380e1d925bbb33b@mail.gmail.com |
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| Lists: | pgsql-novice |
Dear all,
I have the following table:
theme | receiver | date
---------+----------------------+------------------------
LIA | +40741775622 | 2007-04-27 00:00:00+00
LIA | +40741775622 | 2007-04-27 00:00:00+00
LIA | +40741775622 | 2007-04-27 00:00:00+00
LIA | +40741775622 | 2007-04-27 00:00:00+00
LIA | +40741775622 | 2007-04-27 00:00:00+00
LIA | +40741775622 | 2007-04-27 00:00:00+00
LIA | +40741775622 | 2007-04-27 00:00:00+00
LIA | +40741775622 | 2007-04-27 00:00:00+00
LIA | +40741775622 | 2007-04-27 00:00:00+00
LIA | +40741775622 | 2007-04-26 00:00:00+00
LIA | +40741775622 | 2007-04-26 00:00:00+00
LIA | +40741775622 | 2007-04-26 00:00:00+00
LIA | +40741775622 | 2007-04-26 00:00:00+00
LIA | +40741775622 | 2007-04-26 00:00:00+00
LIA | +40741775622 | 2007-04-25 00:00:00+00
LIA | +40741775622 | 2007-04-25 00:00:00+00
LIA | +40741775622 | 2007-04-25 00:00:00+00
LIA | +40741775622 | 2007-04-25 00:00:00+00
LIA | +40741775622 | 2007-04-25 00:00:00+00
MIA | +40741775622 | 2007-04-27 00:00:00+00
MIA | +40741775622 | 2007-04-27 00:00:00+00
MIA | +40741775622 | 2007-04-27 00:00:00+00
MIA | +40741775622 | 2007-04-27 00:00:00+00
MIA | +40741775622 | 2007-04-27 00:00:00+00
MIA | +40741775622 | 2007-05-09 00:00:00+00
I would like to count rows group by theme, receiver, and time intervals of
two days. I don't know how to start.
Hope that somebody could help me.
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