Re: proposal: plpgsql pragma statement

čt 6. 12. 2018 v 18:05 odesílatel Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
napsal:

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> čt 6. 12. 2018 v 17:57 odesílatel Robert Haas <robertmhaas(at)gmail(dot)com>
> napsal:
>
>> On Thu, Dec 6, 2018 at 11:39 AM Jonah H. Harris <jonah(dot)harris(at)gmail(dot)com>
>> wrote:
>> > IIRC, PRAGMA in Ada was compile-time only. How would you foresee it
>> affecting runtime?
>>
>> Well, I don't know what Ada does with PRAGMA exactly, but look at
>> these examples from Oracle:
>>
>> http://psoug.org/definition/pragma.htm
>>
>> You wouldn't *execute* those at runtime, but at least for some of
>> them, the runtime behavior would depend on whether or not they were
>> specified. It certainly seems possible that we might want to have
>> similar things.
>>
>
> My proposal doesn't block it.
>
> The pragma in Ada has three levels - function, block, statement. I propose
> (in this moment) just statement level syntax, but I am sure, so other
> levels are possible.
>

My idea about plpgsql PRAGMA is very close to PL/SQL or Ada PRAGMA. This is
not runtime statement - the information from this command will be assigned
to related object - function, block, command at parser time.

> I would to have a autonomous functions or autonomous blocks too, and Ada
> syntax (same with PL/SQL) is good.
>
> Regards
>
> Pavel
>
>
>
>
>> --
>> Robert Haas
>> EnterpriseDB: http://www.enterprisedb.com
>> The Enterprise PostgreSQL Company
>>
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