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* Need clarification
@ 2005-05-23 09:52 palanivel.kumaran@scandent.com
2005-05-23 10:17 ` Re: Need clarification Achilleus Mantzios <achill@matrix.gatewaynet.com>
0 siblings, 1 reply; 5+ messages in thread
From: palanivel.kumaran@scandent.com @ 2005-05-23 09:52 UTC (permalink / raw)
To: pgsql-sql
how can retrieve rows where the datedifference is more than 30...
assume there exists a field named 'datacreated' which is of type 'date'. I
need to compare it with the current date and need to extract the matched
rows....
thanks in advance.
Palanivel
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* Re: Need clarification
2005-05-23 09:52 Need clarification palanivel.kumaran@scandent.com
@ 2005-05-23 10:17 ` Achilleus Mantzios <achill@matrix.gatewaynet.com>
0 siblings, 0 replies; 5+ messages in thread
From: Achilleus Mantzios @ 2005-05-23 10:17 UTC (permalink / raw)
To: palanivel.kumaran@scandent.com; +Cc: pgsql-sql
O palanivel.kumaran@scandent.com Ýãñáøå óôéò May 23, 2005 :
>
>
>
>
> how can retrieve rows where the datedifference is more than 30...
more than 30 in what units?
years,days,milliseconds??
> assume there exists a field named 'datacreated' which is of type 'date'. I
> need to compare it with the current date and need to extract the matched
> rows....
>
select * from footable where datacreated = now()::date;
> thanks in advance.
>
> Palanivel
>
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* Re: Need clarification
@ 2005-05-23 11:01 palanivel.kumaran@scandent.com
2005-05-23 11:41 ` Re: [despammed] Re: Need clarification Andreas Kretschmer <akretschmer@despammed.com>
0 siblings, 1 reply; 5+ messages in thread
From: palanivel.kumaran@scandent.com @ 2005-05-23 11:01 UTC (permalink / raw)
To: KÖPFERL Robert <robert.koepferl@sonorys.at>; +Cc: pgsql-sql; pgsql-sql-owner@postgresql.org
Sorry, I didn't get ur point...please, tell me exact query to extract the
rows from a table A which contains a date field named DTE whose difference
is 30 days as compared to the current date...
Thanks & Regards
Palanivel P.K
KÖPFERL Robert
<robert.koepferl@so To: "'palanivel.kumaran@scandent.com'"
norys.at> <palanivel.kumaran@scandent.com>, pgsql-sql@postgresql.org
Sent by: cc:
pgsql-sql-owner@pos Subject: Re: [SQL] Need clarification
tgresql.org
05/23/2005 04:34 PM
Your're looking for the interval data type.
timestamp - timestamp
or date - date can be compared with interval
CURRENT_TIMESTAMP - '4d'::interval => today - 4 days
|-----Original Message-----
|From: palanivel.kumaran@scandent.com
|[mailto:palanivel.kumaran@scandent.com]
|Sent: Montag, 23. Mai 2005 11:52
|To: pgsql-sql@postgresql.org
|Subject: [SQL] Need clarification
|
|
|
|
|
|
|how can retrieve rows where the datedifference is more than 30...
|assume there exists a field named 'datacreated' which is of
|type 'date'. I
|need to compare it with the current date and need to extract
|the matched
|rows....
|
|thanks in advance.
|
|Palanivel
|
|Important Email Information :- The information in this email is
|confidential and may be legally privileged. It is
|intended solely for
|the addressee. Access to this email by anyone else is
|unauthorized. If
|you are not the intended recipient, any disclosure, copying,
|distribution or
|any action taken or omitted to be taken in reliance on it, is
|prohibited
|and may be unlawful. If you are not the intended addressee
|please contact
|the sender and dispose of this e-mail immediately.
|
|
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^ permalink raw reply [nested|flat] 5+ messages in thread
* Re: [despammed] Re: Need clarification
2005-05-23 11:01 Re: Need clarification palanivel.kumaran@scandent.com
@ 2005-05-23 11:41 ` Andreas Kretschmer <akretschmer@despammed.com>
0 siblings, 0 replies; 5+ messages in thread
From: Andreas Kretschmer @ 2005-05-23 11:41 UTC (permalink / raw)
To: pgsql-sql
am 23.05.2005, um 16:31:55 +0530 mailte palanivel.kumaran@scandent.com folgendes:
>
>
>
>
> Sorry, I didn't get ur point...please, tell me exact query to extract the
> rows from a table A which contains a date field named DTE whose difference
> is 30 days as compared to the current date...
test=# create table datediff (start date);
CREATE TABLE
test=# insert into datediff values ('1966/08/30');
INSERT 153382679 1
test=# insert into datediff values ('2005/05/23');
INSERT 153382680 1
test=# select * from datediff ;
start
------------
1966-08-30
2005-05-23
(2 Zeilen)
test=# select * from datediff where CURRENT_DATE - start > 10;
start
------------
1966-08-30
(1 Zeile)
test=# select * from datediff where CURRENT_DATE - start < 10;
start
------------
2005-05-23
(1 Zeile)
Btw.: please no TOFU, read http://en.wikipedia.org/wiki/TOFU
Andreas
--
Andreas Kretschmer (Kontakt: siehe Header)
Heynitz: 035242/47212, D1: 0160/7141639
GnuPG-ID 0x3FFF606C http://wwwkeys.de.pgp.net
=== Schollglas Unternehmensgruppe ===
^ permalink raw reply [nested|flat] 5+ messages in thread
* Re: Need clarification
@ 2005-05-23 11:04 KÖPFERL Robert <robert.koepferl@sonorys.at>
0 siblings, 0 replies; 5+ messages in thread
From: KÖPFERL Robert @ 2005-05-23 11:04 UTC (permalink / raw)
To: 'palanivel.kumaran@scandent.com' <palanivel.kumaran@scandent.com>; pgsql-sql
Your're looking for the interval data type.
timestamp - timestamp
or date - date can be compared with interval
CURRENT_TIMESTAMP - '4d'::interval => today - 4 days
|-----Original Message-----
|From: palanivel.kumaran@scandent.com
|[mailto:palanivel.kumaran@scandent.com]
|Sent: Montag, 23. Mai 2005 11:52
|To: pgsql-sql@postgresql.org
|Subject: [SQL] Need clarification
|
|
|
|
|
|
|how can retrieve rows where the datedifference is more than 30...
|assume there exists a field named 'datacreated' which is of
|type 'date'. I
|need to compare it with the current date and need to extract
|the matched
|rows....
|
|thanks in advance.
|
|Palanivel
|
|Important Email Information :- The information in this email is
|confidential and may be legally privileged. It is
|intended solely for
|the addressee. Access to this email by anyone else is
|unauthorized. If
|you are not the intended recipient, any disclosure, copying,
|distribution or
|any action taken or omitted to be taken in reliance on it, is
|prohibited
|and may be unlawful. If you are not the intended addressee
|please contact
|the sender and dispose of this e-mail immediately.
|
|
|---------------------------(end of
|broadcast)---------------------------
|TIP 3: if posting/reading through Usenet, please send an appropriate
| subscribe-nomail command to majordomo@postgresql.org so that your
| message can get through to the mailing list cleanly
|
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2005-05-23 09:52 Need clarification palanivel.kumaran@scandent.com
2005-05-23 10:17 ` Achilleus Mantzios <achill@matrix.gatewaynet.com>
2005-05-23 11:01 Re: Need clarification palanivel.kumaran@scandent.com
2005-05-23 11:41 ` Andreas Kretschmer <akretschmer@despammed.com>
2005-05-23 11:04 Re: Need clarification KÖPFERL Robert <robert.koepferl@sonorys.at>
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