Re: proposal: plpgsql pragma statement

вт, 4 дек. 2018 г. в 20:13, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>:
>
> Hi
>
> I wrote plpgsql_check https://github.com/okbob/plpgsql_check.
>
> It is working well, but because it does static analyse only, sometimes it can produces false alarms or it should to stop a analyse, because there are not necessary data.
>
> https://github.com/okbob/plpgsql_check/issues/36
>
> I see one possible solution in introduction of pragma statement with syntax:
>
> PRAGMA keyword [content to semicolon];
>
> The pragma has a relation to following statement. So the issue 36 can be solved by pragma
>
> PRAGMA cmdtype CREATE;
> EXECUTE format('CREATE TABLE xxx ...
>
> The PRAGMA statement does nothing in runtime. It works only in compile time, and add a pair of key, value to next non pragma statement. This information can be used by some plpgsql extensions.
>
> What do you think about this proposal?
I think it's a good idea in common. But how about multiple PRAGMAs? Consider

PRAGMA cmdtype CREATE;
PRAGMA objtype TABLE;
EXECUTE format('CREATE TABLE');