Re: PostgreSQL and Performance of Functions

On 12/1/06, Rajesh Kumar Mallah <mallah(dot)rajesh(at)gmail(dot)com> wrote:
>
>
>
> On 12/1/06, Aaron Bono <postgresql(at)aranya(dot)com> wrote:
> >
> > Recently I have been put on a project that uses DB2 (not my choice). I
> > am using functions for reports and was told this may not be allowed. They
> > said:
> >
> > One gap is the ability to tune the code in the function (not really
> > static) or to perform real-time analysis of performance problems.
> >
>
> Tuning the code in function requires to change the file containing the
> function
> defination and reloading the function. Hence the cycle of performance
> tuning is
> longer.
>
> Regarding "real time analysis" what I understand is
>
> EXPLAIN ANALYSE (of main SQL using the function) in postgresql cannot
> provide the realtime analysis of the performace of queries inside the
> function.
> probably such a limitation may exists in db2 also.
>
> I think the gap is genuine.
>
>
> I normally use PostgreSQL for all my applications (this being an
> > exception). Does anyone know what this statement is about and, more
> > importantly, does PostgreSQL have the same limitations?
> >
> > Thanks,
> > Aaron
> >
> >
>

I was told that, for DB2, stored procedures are a better choice for
parameterized views which is what I was trying to do with the functions. Is
the same true for PostgreSQL?

-Aaron

--
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Aaron Bono
Aranya Software Technologies, Inc.
http://www.aranya.com
http://codeelixir.com
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