Re: Patch for 8.5, transformationHook

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От Peter Eisentraut
Тема Re: Patch for 8.5, transformationHook
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Msg-id 200904201716.38801.peter_e@gmx.net
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Ответ на Re: Patch for 8.5, transformationHook  (Pavel Stehule <pavel.stehule@gmail.com>)
Ответы Re: Patch for 8.5, transformationHook  (Tom Lane <tgl@sss.pgh.pa.us>)
Re: Patch for 8.5, transformationHook  (Pavel Stehule <pavel.stehule@gmail.com>)
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On Monday 20 April 2009 09:52:05 Pavel Stehule wrote:
> I don't believe so is possible to find other general solution. (or
> better I didn't find any other solution). Tom has true,
> transformationHook on expression is expensive. I thing, so hook on
> function should be simple and fast - not all transformation's should
> be simple defined via property - classic sample is "decode" like
> functions, it needs procedural code.

I find this all a bit premature, given that you haven't clearly defined what 
sort of user-visible functionality you hope to end up implementing.  Which 
makes it hard to argue why this or that approach might be better.


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