Re: Problem with Day of Week
От | Brian C. Doyle |
---|---|
Тема | Re: Problem with Day of Week |
Дата | |
Msg-id | 5.0.2.1.2.20010205111017.02a06980@pop.internal.mindspring.com обсуждение исходный текст |
Ответ на | Problem with Day of Week (Keith Perry <keith@vcsn.com>) |
Список | pgsql-sql |
Keith, Try: select to_char('now'::timestamp,'Dy'); to_char --------- Mon (1 row) ---------------------------------------------------------- DAY = full upper case day name (9 chars) Day = full mixed case day name (9 chars) day = full lower case day name (9 chars) DY = abbreviated upper case day name (3 chars) Dy = abbreviated mixed case day name (3 chars) dy = abbreviated lower case day name (3 chars) DDD = day of year (001-366) DD = day of month (01-31) D = day of week (1-7; SUN=1) ------------------------------------------------------------- Taken from http://www.postgresql.org/users-lounge/docs/7.0/user/functions2972.htm At 12:55 PM 1/29/01 -0500, Keith Perry wrote: >Greetings, > >I notice some talk about date problems and interestingly enough planning >out an application in which I will need to be able to manipulate dates. >I notice however that there seems to be a discrepancy with the day or >week in 7.0.3 > >--- > >pmhcc=# select date_part('dow','now'::timestamp); > date_part >----------- > 1 >(1 row) > >pmhcc=# select to_char('now'::timestamp,'D'); > to_char >--------- > 2 >(1 row) > >pmhcc=# select version(); > version >--------------------------------------------------------------------- > PostgreSQL 7.0.3 on i686-pc-linux-gnu, compiled by gcc egcs-2.91.66 >(1 row) > >pmhcc=# select now(); > now >------------------------ > 2001-01-29 12:57:46-05 >(1 row) > >--- > >Now as far as I know, Sunday is supposed to 1, so I would think that >date_part is doing something funky unless I am mis-understanding >something. I was hoping that someone might be able to shead some light >on this. Thanks. > >Keith C. Perry >VCSN, Inc. >http://vcsn.com
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