Re: Different handling of PL/pgSQL for-loop variables in 8.3.7 vs. 8.2.7 ???

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От hubert depesz lubaczewski
Тема Re: Different handling of PL/pgSQL for-loop variables in 8.3.7 vs. 8.2.7 ???
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Msg-id 20090611110017.GA16553@depesz.com
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Ответ на Re: Different handling of PL/pgSQL for-loop variables in 8.3.7 vs. 8.2.7 ???  (Pavel Stehule <pavel.stehule@gmail.com>)
Ответы Re: Different handling of PL/pgSQL for-loop variables in 8.3.7 vs. 8.2.7 ???  (Pavel Stehule <pavel.stehule@gmail.com>)
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On Thu, Jun 11, 2009 at 12:45:56PM +0200, Pavel Stehule wrote:
> generally - modification of cycle's control variable isn't good
> technique, because it's should be broken by some optimizations. When

i would argue then that these optimizations are broken, then.

> you would to modify this some variables, then use "while-loop"
> instead.

while technically possible, i find for loops much more straight forward,
and clearer to understand.

Best regards,

depesz

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