2010-06-24 14:13 keltezéssel, Michael Meskes írta:
I think, yes, it does make sense. Because we are talking
about porting a whole lot of COBOL applications.
COBOL???
Yes, OpenCOBOL...
The ESQL/C or ECPG connector was already written
the Informix quirks in mind, so it fetches only o
2010-06-24 11:04 keltezéssel, Heikki Linnakangas írta:
On 24/06/10 10:27, Böszörményi Zoltán wrote:
And this readahead is not on by default, it's only activated
by "ecpg -r fetch_readahead".
Is there a reason not to enable it by default? I'm a bit worried that
it will r
Hi,
2010-06-23 22:42 keltezéssel, Bruce Momjian írta:
Boszormenyi Zoltan wrote:
Hi,
we improved ECPG quite a lot in 9.0 because we worked and
still working with an Informix to PostgreSQL migration project.
We came across a pretty big performance problem that can be seen in
every "naive" a
> It'd also be interesting to time the same way (with a temp table) in
> devel. I don't remember whether we did any performance work on the
> COPY CSV data path in this cycle, or whether that was all present in
> 8.1. In any case it'd be worth proving that the COPY SELECT patch isn't
> degrading
> Böszörményi Zoltán <[EMAIL PROTECTED]> writes:
>> With PostgreSQL 8.1.4, I used this:
>
>> begin;
>> select ... into temp myquery1;
>> copy myquery1 to stdout csv delimiter '|';
>> rollback;
>
> The performance of this would doubtles
Hi,
we have a large export here, I made an in-house benchmark
between Informix, plain PostgreSQL-8.1.4 and
8.2devel+COPY(SELECT) using the same data and query.
Find the results below for the two PostgreSQL versions.
With PostgreSQL 8.1.4, I used this:
begin;
select ... into temp myquery1;
copy my
> Böszörményi Zoltán wrote:
>> > B?sz?rm?nyi Zolt?n wrote:
>> >
>> >> > So when will you send in a revised patch?
>> >>
>> >> Soon. :-)
>> >
>> > No, don't send it "soon". We're in feature freeze al
> Böszörményi Zoltán wrote:
>
>> > So when will you send in a revised patch?
>>
>> Soon. :-)
>
> No, don't send it "soon". We're in feature freeze already (and have
> been for three weeks). You need to send it now.
I have to tes
> Böszörményi Zoltán wrote:
>> Hi,
>>
>>
>>> Tom Lane wrote:
>>>
>>>> At the moment, with the online-index and updatable-views patches both
>>>> pretty seriously broken, and no sign that the bitmap-index people are
>>>> aw
Hi,
> Tom Lane wrote:
>>
>> At the moment, with the online-index and updatable-views patches both
>> pretty seriously broken, and no sign that the bitmap-index people are
>> awake at all, I might take it on myself to fix this one instead of those
>> others. But is that what I should be spending m
Hi,
> Robert Treat <[EMAIL PROTECTED]> writes:
>> On Tuesday 22 August 2006 16:10, Tom Lane wrote:
>>> As I see it, we've effectively got a patch that was rejected once,
>>> and Bruce wants to apply it anyway because no replacement has been
>>> forthcoming.
>
>> Well, unless someone is going to co
Hi,
after some more reading, I am finally starting
to grasp what Tom Lane meant with "action at a
distance". I outline below the information that
I collected from the SQL2003 standard.
Under section 11.5 :
Case:
a) If the descriptor of S indicates that
it represents a column of which some
> Zoltan Boszormenyi <[EMAIL PROTECTED]> writes:
>> after some experimentation, I came up with the attached patch,
>> which implements parsing the following SERIAL types:
>
> As has been pointed out before, it would be a seriously bad idea to
> implement the SQL syntax for identity columns without
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