Horton

Re: ECPG FETCH readahead

Noah Misch <noah@leadboat.com>

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From: Noah Misch <noah@leadboat.com>
To: Michael Meskes <meskes@postgresql.org>, Boszormenyi Zoltan <zb@cybertec.at>, Robert Haas <robertmhaas@gmail.com>, PG Hackers <pgsql-hackers@postgresql.org>, Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>, Bruce Momjian <bruce@momjian.us>
Date: 2012-04-09T02:15:19Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Fix some "translator:" comments mangled by pgindent

  2. Make sure float4in/float8in accept all standard spellings of "infinity".

On Sun, Apr 08, 2012 at 04:25:01PM +0200, Michael Meskes wrote:
> On Sat, Apr 07, 2012 at 11:50:42AM -0400, Noah Misch wrote:
> > I do call your attention to a question I raised in my second review: if a
> > program contains "DECLARE foo READAHEAD 5 CURSOR FOR ..." and the user runs
> > the program with ECPGFETCHSZ=10 in the environment, should that cursor use a
> > readahead window of 5 or of 10?  Original commentary:
> > http://archives.postgresql.org/message-id/20120329004323.GA17329@tornado.leadboat.com
> 
> I'd say it should be 5. I don't like an environment variable overwriting a
> hard-coded setting. I think this is what you, Noah, thought, too, right?

Yes.