Re: poc - possibility to write window function in PL languages
| От | Pavel Stehule |
|---|---|
| Тема | Re: poc - possibility to write window function in PL languages |
| Дата | |
| Msg-id | CAFj8pRBB_kO=XKcOO0uXuaLQ1VgFxCzatsvX4VoD5efHd83ExQ@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: poc - possibility to write window function in PL languages (Tom Lane <tgl@sss.pgh.pa.us>) |
| Ответы |
Re: poc - possibility to write window function in PL languages
Re: poc - possibility to write window function in PL languages |
| Список | pgsql-hackers |
st 20. 1. 2021 v 21:07 odesílatel Tom Lane <tgl@sss.pgh.pa.us> napsal:
Pavel Stehule <pavel.stehule@gmail.com> writes:
> The second question is work with partition context value. This should be
> only one value, and of only one but of any type per function. In this case
> we cannot use GET statements. I had an idea of enhancing declaration. Some
> like
> DECLARE
> pcx PARTITION CONTEXT (int); -- read partition context
> BEGIN
> pcx := 10; -- set partition context
> What do you think about it?
Uh, what? I don't understand what this "partition context" is.
It was my name for an access to window partition local memory - WinGetPartitionLocalMemory
We need some interface for this cache
Regards
Pavel
regards, tom lane
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