pg.ddx.io pgsql-sql@postgresql.org mailing list archive help / color / mirror / Atom feed From: Richard Huxton <dev@archonet.com>
To: Loredana Curugiu <loredana.curugiu@gmail.com>
Cc: pgsql-novice@postgresql.org
Cc: pgsql-sql@postgresql.org
Subject: Re: JOIN
Date: Tue, 05 Jun 2007 14:21:44 +0100
Message-ID: <46656368.7080504@archonet.com> (raw )
In-Reply-To: <1c23c8e70706050559n60615ba7kab11f6f0f402d9ec@mail.gmail.com >
References: <1c23c8e70706050111i5ba672d6j78bd9afa4b786616@mail.gmail.com >
<1c23c8e70706050426y12d567ban70ffdafb75808e0e@mail.gmail.com >
<4665537A.2060601@archonet.com >
<1c23c8e70706050518v19c56d21j873985125b930db@mail.gmail.com >
<46655981.4050403@archonet.com >
<1c23c8e70706050559n60615ba7kab11f6f0f402d9ec@mail.gmail.com >
Loredana Curugiu wrote:
>>> You don't actually say what's wrong. What are you expecting as output?
>
> I should obtain the following result:
[snip]
Well, I've attached a test script using your example data and a copy of
my results. Nothing leaping out as wrong here. It's entirely possible
I've not had enough coffee today though and I'm missing something
staring me in the face...
--
Richard Huxton
Archonet Ltd
Attachments:
test_results.txt (text/plain, 6.7K) download
sum | theme | receiver | date | dates
-----+-------+--------------+------------------------+--------------------------------------------------------------------------------
3 | CRIS | +40741775622 | 2007-06-01 00:00:00+00 | {2007-06-01,2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07}
2 | CRIS | +40741775622 | 2007-06-02 00:00:00+00 | {2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08}
3 | CRIS | +40741775622 | 2007-06-03 00:00:00+00 | {2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09}
18 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09,2007-06-10}
4 | LIA | +40741775621 | 2007-06-01 00:00:00+00 | {2007-06-01,2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06}
4 | LIA | +40741775621 | 2007-06-02 00:00:00+00 | {2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07}
6 | LIA | +40741775621 | 2007-06-03 00:00:00+00 | {2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08}
10 | LIA | +40741775621 | 2007-06-04 00:00:00+00 | {2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09}
(8 rows)
count | theme | receiver | date | dates
-------+-------+--------------+------------------------+--------------------------------------------------------------------------------
3 | CRIS | +40741775622 | 2007-06-01 00:00:00+00 | {2007-06-01,2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07}
1 | CRIS | +40741775622 | 2007-06-02 00:00:00+00 | {2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08}
1 | CRIS | +40741775622 | 2007-06-02 00:00:00+00 | {2007-06-01,2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07}
1 | CRIS | +40741775622 | 2007-06-03 00:00:00+00 | {2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09}
1 | CRIS | +40741775622 | 2007-06-03 00:00:00+00 | {2007-06-01,2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07}
1 | CRIS | +40741775622 | 2007-06-03 00:00:00+00 | {2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08}
1 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09,2007-06-10}
1 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08}
1 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-01,2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07}
1 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09,2007-06-10}
1 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09}
1 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09,2007-06-10}
1 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08}
1 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-01,2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07}
1 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09,2007-06-10}
1 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09,2007-06-10}
1 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09}
1 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09,2007-06-10}
1 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08}
1 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-01,2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07}
1 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09,2007-06-10}
1 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09,2007-06-10}
1 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09}
1 | CRIS | +40741775622 | 2007-06-04 00:00:00+00 | {2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09,2007-06-10}
4 | LIA | +40741775621 | 2007-06-01 00:00:00+00 | {2007-06-01,2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06}
2 | LIA | +40741775621 | 2007-06-02 00:00:00+00 | {2007-06-01,2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06}
2 | LIA | +40741775621 | 2007-06-02 00:00:00+00 | {2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07}
2 | LIA | +40741775621 | 2007-06-03 00:00:00+00 | {2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07}
2 | LIA | +40741775621 | 2007-06-03 00:00:00+00 | {2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08}
2 | LIA | +40741775621 | 2007-06-03 00:00:00+00 | {2007-06-01,2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06}
1 | LIA | +40741775621 | 2007-06-04 00:00:00+00 | {2007-06-01,2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06}
1 | LIA | +40741775621 | 2007-06-04 00:00:00+00 | {2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09}
1 | LIA | +40741775621 | 2007-06-04 00:00:00+00 | {2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08}
1 | LIA | +40741775621 | 2007-06-04 00:00:00+00 | {2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07}
1 | LIA | +40741775621 | 2007-06-04 00:00:00+00 | {2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09}
1 | LIA | +40741775621 | 2007-06-04 00:00:00+00 | {2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08}
1 | LIA | +40741775621 | 2007-06-04 00:00:00+00 | {2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09}
1 | LIA | +40741775621 | 2007-06-04 00:00:00+00 | {2007-06-01,2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06}
1 | LIA | +40741775621 | 2007-06-04 00:00:00+00 | {2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09}
1 | LIA | +40741775621 | 2007-06-04 00:00:00+00 | {2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07}
(40 rows)
zzz_test.sql (text/x-sql, 2.1K) download
/*
CREATE TABLE loredana_test (
count int4,
theme text,
receiver text,
"date" timestamptz,
dates date[]
);
COPY loredana_test FROM stdin WITH DELIMITER '|';
2|LIA|+40741775621|2007-06-02 00:00:00+00|{2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07}
1|LIA|+40741775621|2007-06-04 00:00:00+00|{2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09}
3|CRIS|+40741775622|2007-06-01 00:00:00+00|{2007-06-01,2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07}
1|CRIS|+40741775622|2007-06-04 00:00:00+00|{2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09,2007-06-10}
2|LIA|+40741775621|2007-06-03 00:00:00+00|{2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08}
1|CRIS|+40741775622|2007-06-04 00:00:00+00|{2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09,2007-06-10}
1|CRIS|+40741775622|2007-06-03 00:00:00+00|{2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09}
1|CRIS|+40741775622|2007-06-04 00:00:00+00|{2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09,2007-06-10}
4|LIA|+40741775621|2007-06-01 00:00:00+00|{2007-06-01,2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06}
1|LIA|+40741775621|2007-06-04 00:00:00+00|{2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08,2007-06-09}
1|CRIS|+40741775622|2007-06-02 00:00:00+00|{2007-06-02,2007-06-03,2007-06-04,2007-06-05,2007-06-06,2007-06-07,2007-06-08}
\.
*/
-- Uncomment one of these to control whether any rows match
SET timezone = 'GMT';
-- SET timezone = 'GB';
-- Original query, but with the "date" column displayed too
SELECT
SUM(A.count),
A.theme,
A.receiver,
A.date,
A.dates
FROM
loredana_test A
INNER JOIN
loredana_test B
ON
A.theme=B.theme
AND A.receiver=B.receiver
AND A.date = ANY(B.dates)
GROUP BY
A.theme,A.receiver,A.date,A.dates;
-- Query to test matches
SELECT
A.count,
A.theme,
A.receiver,
A.date,
B.dates
FROM
loredana_test A
INNER JOIN
loredana_test B
ON
A.theme=B.theme
AND A.receiver=B.receiver
AND A.date = ANY(B.dates)
ORDER BY
A.theme, A.receiver, A.date
;
view thread (22+ messages) latest in thread
Message-ID: <46656368.7080504@archonet.com>
Permalink: ../46656368.7080504@archonet.com/
Also on: postgresql.org/message-id/46656368.7080504@archonet.com
copy link · copy postgr.es
reply Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-sql@postgresql.org
Cc: dev@archonet.com, loredana.curugiu@gmail.com, pgsql-novice@postgresql.org
Subject: Re: JOIN
In-Reply-To: <46656368.7080504@archonet.com>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox