Re: [PATCH] Add transforms feature

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От Hannu Krosing
Тема Re: [PATCH] Add transforms feature
Дата
Msg-id 52951BFA.1000201@2ndQuadrant.com
обсуждение исходный текст
Ответ на Re: [PATCH] Add transforms feature  (Peter Eisentraut <peter_e@gmx.net>)
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On 11/12/2013 12:21 PM, Peter Eisentraut wrote:
> A transform is an SQL object that supplies to functions for converting
> between data types and procedural languages. 
How hard would it be to extend this to add transforms directly
between pairs of procedural languages ?

One example would be calling a pl/v8 function from pl/python
and converting directly between integers in both, without going
through PostgreSQL type.

Another and maybe even more interesting would be automatic
null-transforms between two pl/python functions.

Cheers

-- 
Hannu Krosing
PostgreSQL Consultant
Performance, Scalability and High Availability
2ndQuadrant Nordic OÜ




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