Re: Why format() adds double quote? - Mailing list pgsql-hackers

From Tatsuo Ishii
Subject Re: Why format() adds double quote?
Date
Msg-id 20160127.104623.1166770620314832766.t-ishii@sraoss.co.jp
Whole thread Raw
In response to Re: Why format() adds double quote?  ("Daniel Verite" <daniel@manitou-mail.org>)
Responses Re: Why format() adds double quote?  ("Daniel Verite" <daniel@manitou-mail.org>)
List pgsql-hackers
>> IMO, it's a bug or at least an inconsistency
> 
> Personally I don't see this change being good for everything.
> 
> Let's play devil's advocate:
> 
> create table abc(U&"foo\2003" int);
> 
> U+2003 is 'EM SPACE', in Unicode's General Punctuation block.
> 
> With the current version, format('%I', attname) on this column is:
> "foo "
> 
> With the patched version, it produces this:
> foo 
> 
> So the visual hint that there are more characters at the end is lost.

What is the "visual hint"? If you are talking about psql's output, it
never adds "visual hint" (double quotations).

If you are talking about the string handling in a program, what kind
of program cares about "visiual"?

Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp

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