Re: how to preserve \n in select statement

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От Matt Van Mater
Тема Re: how to preserve \n in select statement
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Msg-id BAY9-F62Kgsji08EA1J000332f2@hotmail.com
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Ответ на how to preserve \n in select statement  ("Matt Van Mater" <nutter_@hotmail.com>)
Ответы Re: how to preserve \n in select statement  (Tom Lane <tgl@sss.pgh.pa.us>)
Список pgsql-sql
I just don't see why pgsql can't return my data exactly as I entered it.  It 
wouldn't be hard for me to manipulate it before entry and add another escape 
character, but that's not really the point.  The point is why is postgresql 
changing the data I insert into a field, and not giving me away to get it 
back in its original form?  I wouldn't have a problem if I was notified 
during an insert that my escape characters would be modified, or even if I 
was given an error message and the insert failed.

One complaint about MYSQL is that it often does 'the next best thing' and 
doesn't notify the user that their command or input has been altered in some 
way.  It seems like this is the same scenario with pgsql.  I think this 
behavior stems from a security problem psql had a while back where escape 
characters were being interpreted, and this may be another instance of that 
functionality.





----Original Message Follows----
From: Bruno Wolff III <bruno@wolff.to>
To: Matt Van Mater <nutter_@hotmail.com>
CC: pgsql-sql@postgresql.org
Subject: Re: [SQL] how to preserve \n in select statement
Date: Fri, 19 Dec 2003 15:26:07 -0600

On Fri, Dec 19, 2003 at 10:06:28 -0500,  Matt Van Mater <nutter_@hotmail.com> wrote:> I have a table that has a few
textvalue types, and I enter a bunch of 
 
text> with '\n' representing a newline.  When I select the records from that> table, postgresql 7.3 represents those \n
asnewlines and actually 
 
outputs> the a newline rather than as a \n as entered.  I want to be able to get 
my> \n text out of the select statement in the exact same manner it was> inserted.

If you really want to store \n so that something else will interpret \n
as a newline, then use '\\n' in the string constant.

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