Re: BUG #1947: Enhancement Request - CONCAT() function

Поиск
Список
Период
Сортировка
От Tony Marston
Тема Re: BUG #1947: Enhancement Request - CONCAT() function
Дата
Msg-id 000101c5cdde$3b125c60$b9f5e5d4@ajmnotebook
обсуждение исходный текст
Ответ на Re: BUG #1947: Enhancement Request - CONCAT() function  ("Jim C. Nasby" <jnasby@pervasive.com>)
Ответы Re: BUG #1947: Enhancement Request - CONCAT() function  ("Jim C. Nasby" <jnasby@pervasive.com>)
Re: BUG #1947: Enhancement Request - CONCAT() function  (Chris Travers <chris@travelamericas.com>)
Список pgsql-bugs
No, but Oracle does, which is why I am trying to produce SQL statements that
will run on MySQL, PostgreSQL and Oracle without the need for conversion.

Tony Marston

http://www.tonymarston.net



> -----Original Message-----
> From: Jim C. Nasby [mailto:jnasby@pervasive.com]
> Sent: 10 October 2005 18:19
> To: tony@marston-home.demon.co.uk
> Cc: Bruce Momjian; 'David Fetter'; pgsql-bugs@postgresql.org
> Subject: Re: [BUGS] BUG #1947: Enhancement Request - CONCAT() function
>
>
> PostgreSQL runs on machines that use EBCDIC?
>
> On Mon, Oct 10, 2005 at 04:26:15PM +0100,
> tony@marston-home.demon.co.uk wrote:
> > Here is a direct quote from the ORACLE manual:
> >
> > <quote>
> > On most platforms, the concatenation operator is two solid vertical
> > bars, as shown in Table 3-3. However, some IBM platforms use broken
> > vertical bars for this operator. When moving SQL script
> files between
> > systems having different character sets, such as between ASCII and
> > EBCDIC, vertical bars might not be translated into the vertical bar
> > required by the target Oracle environment. Oracle provides
> the CONCAT
> > character function as an alternative to the vertical bar
> operator for
> > cases when it is difficult or impossible to control translation
> > performed by operating system or network utilities. Use
> this function
> > in applications that will be moved between environments
> with differing
> > character sets. </quote>
> >
> > Tony Marston
> > http://www.tonymarston.net
> >
> > pgman@candle.pha.pa.us wrote:
> > > Tony Marston wrote:
> > > > > which Oracle supports and MySQL can be made to support via a
> > > > > runtime option.
> > > >
> > > > They also both support CONCAT() because there are sometimes
> > > > difficulties in dealing with vertical bars in the
> character sets
> > > > used by certain operating systems and file systems. If enough
> > > > database vendors offer it then it becmes a "de facto" standard.
> > >
> > > I have never heard of problems with vertical bars in any of those
> > > settings.  Can you elaborate?  I don't see how operating
> systems and
> > > file system character sets relate to SQL query characters.
> > >
> > > --
> > >   Bruce Momjian                        |  http://candle.pha.pa.us
> > >   pgman@candle.pha.pa.us               |  (610) 359-1001
> > >   +  If your life is a hard drive,     |  13 Roberts Road
> > >   +  Christ can be your backup.        |  Newtown Square,
> Pennsylvania 19073
> > >
> >
> >
> > ---------------------------(end of
> > broadcast)---------------------------
> > TIP 5: don't forget to increase your free space map settings
> >
>
> --
> Jim C. Nasby, Sr. Engineering Consultant      jnasby@pervasive.com
> Pervasive Software      http://pervasive.com    work: 512-231-6117
> vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461
>

В списке pgsql-bugs по дате отправления:

Предыдущее
От: "Tony Marston"
Дата:
Сообщение: Re: BUG #1947: Enhancement Request - CONCAT() function
Следующее
От: "Jim C. Nasby"
Дата:
Сообщение: Re: BUG #1947: Enhancement Request - CONCAT() function