Re: [GENERAL] hrs, mins and seconds do not appear with to_char
| От | Peter Koukoulis |
|---|---|
| Тема | Re: [GENERAL] hrs, mins and seconds do not appear with to_char |
| Дата | |
| Msg-id | CABpxA9jDza5nJBK6tNCmmSbvi4nJmvNOawKZXYYKZtTdOX=NUQ@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: [GENERAL] hrs, mins and seconds do not appear with to_char (Tom Lane <tgl@sss.pgh.pa.us>) |
| Список | pgsql-general |
thanks. didn't realise they were different. I discovered the difference when using a MD5 comparison between the 2 databases in a C++ utility.
All values were matching apart from dates.
Cheers
P
On Sun, 27 Aug 2017 at 21:35 Tom Lane <tgl@sss.pgh.pa.us> wrote:
Peter Koukoulis <pkoukoulis@gmail.com> writes:
> I am unsure as to why the hrs, mins and seconds do not appear for a date
> column.
Uh, because it's a date.
> When performing the exact same queries in Oracle, I get the full date
> formatted to "yyyymmddhh24miss", but cannot get the same for PostgreSQL,
> for example:
Oracle has a nonstandard notion of what "date" means, I believe. You
probably want to use type "timestamp", and the to_timestamp() function,
in PG if you want behavior similar to what Oracle is doing.
https://www.postgresql.org/docs/current/static/datatype-datetime.html
regards, tom lane
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