Re: CHAR(n) always trims trailing spaces in 7.4

elein <elein@varlena.com>

From: elein <elein@varlena.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: elein <elein@varlena.com>, "scott.marlowe" <scott.marlowe@ihs.com>, "news.postgresql.org" <jlim@natsoft.com.my>, pgsql-sql@postgresql.org
Date: 2004-02-18T20:05:47Z
Lists: pgsql-hackers, pgsql-sql
So exactly what is the order of casts that produces
different results with:

	'x' || ' ' || 'x' and 'x' || ' '::char15 || 'x'

Are operators being invoked both (text,text)?

I'm trying to understand the precedence that causes
the different results.

elein

On Tue, Feb 17, 2004 at 10:53:17PM -0500, Tom Lane wrote:
> elein <elein@varlena.com> writes:
> > Apparently the ::char is cast to varchar and then text?
> 
> No, directly to text, because the || operator is defined as taking text
> inputs.  But there's no practical difference between text and varchar on
> this point.
> 
> 			regards, tom lane
> 
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