Re: Proposed patch - psql wraps at window width - Mailing list pgsql-hackers

From Gregory Stark
Subject Re: Proposed patch - psql wraps at window width
Date
Msg-id 87lk2vsaon.fsf@oxford.xeocode.com
Whole thread Raw
In response to Proposed patch - psql wraps at window width  (Bruce Momjian <bruce@momjian.us>)
Responses Re: Proposed patch - psql wraps at window width
List pgsql-hackers
"Bruce Momjian" <bruce@momjian.us> writes:

> Peter Eisentraut wrote:
>> Am Dienstag, 29. April 2008 schrieb Bruce Momjian:
>> > Peter Eisentraut wrote:
>> > > Am Dienstag, 29. April 2008 schrieb Bruce Momjian:
>> > > > We do look at COLUMNS if the ioctl() fails, but not for file/pipe
>> > > > output.
>> > >
>> > > This is quite a useless complication.  Readline uses exactly the same
>> > > ioctl() call to determine the columns, so if ioctl() were to fail, then
>> > > COLUMNS would be unset or wrong as well.
>> >
>> > I was thinking about Win32 or binaries that don't have readline.
>> 
>> These rules don't seem very consistent.  You are mixing platform dependencies, 
>> build options, theoretical, unproven failures of kernel calls, none of which 
>> have anything to do with each other.  For example, if readline weren't 
>> installed, then there would be no one who sets COLUMNS, so why look at it?  
>> If you want to allow users to set COLUMNS manually (possibly useful, see Greg 
>> Stark's arguments), then it should have priority over ioctl(), not the other 
>> way around.
>
> OK, two people like it, no one has objected.  :-)  I will work on making
> those changes.  Thanks.

Uh, precisely what changes are you referring to now? "These rules don't seem
very consistent" doesn't sound like "no one has objected" to me.

--  Gregory Stark EnterpriseDB          http://www.enterprisedb.com Ask me about EnterpriseDB's PostGIS support!


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