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Re: libpq custom row processing

From: Marko Kreen <markokr(at)gmail(dot)com>
To: Federico Di Gregorio <fog(at)dndg(dot)it>
Cc: psycopg(at)postgresql(dot)org
Subject: Re: libpq custom row processing
Date: 2012-08-07 10:51:04
Message-ID: CACMqXCJO=GUD2Gks-9z5=_bGq_q3RQMXikuYP34Rdkfseu0DDA@mail.gmail.com (view raw or flat)
Thread:
Lists: psycopg
On Tue, Feb 14, 2012 at 3:28 PM, Federico Di Gregorio <fog(at)dndg(dot)it> wrote:
> On 14/02/12 13:11, Marko Kreen wrote:
>> There is an item in current commitfest that might be interesting
>> to Psycopg - a way to provide custom callback to result
>> row processing.  By default, libpq takes row data from
>> network buffer and puts it into PGresult.  This can now
>> be overrided - column data can be converted immediately
>> to final format and even processed in-flight:

The callback API has been rolled back and final 9.2 will have
single-row-mode instead:

  http://www.postgresql.org/docs/devel/static/libpq-single-row-mode.html

Callback API was hard to use and did not support iterative
result processing.  This API should fix both problems.

-- 
marko

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