From: | Peter Henderson <peter(dot)henderson(at)starjar(dot)com> |
---|---|
To: | |
Subject: | Re: [Pljava-dev] annotation keyword changes before 1.5.0 (?) |
Date: | 2015-12-21 01:11:31 |
Message-ID: | CAKJ3sLy04vuLwnDNBrMnGAp=npj4R9x2cG10=Jc_6sLfBDFBnQ@mail.gmail.com |
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Lists: | pljava-dev |
Just my £0.0002 worth
On Sat, Dec 19, 2015 at 5:56 PM, Chapman Flack <chap(at)anastigmatix(dot)net>
wrote:
> There has been some code in the tree for Java annotation support
> ever since January 2005, but I'm not sure how usable or used it
> was before March 2013. That was after the most recent numbered
> release, so I think 1.5.0 will be the first numbered release
> featuring annotation support in a significant way. So, there will
> probably never be a better time to change any of the annotation
> keywords, if they are worth changing. No one who has been using
> prebuilt distributions from pgFoundry will have used them yet.
>
> - In a @Function annotation, the keyword 'type' is used to specify
> the volatility category (volatile, stable, immutable). That dates
> all the way back to 2005, but I'd rather have 'type' mean
> the SQL type of the function return (right now, you have to say
> 'complexType' for that, which isn't intuitive). I was stuck for a
> a while on a good, short, alternative keyword. I'm not thrilled
> with 'volatility' because it's both long and semi-redundant
> (volatility=volatile makes you snicker, volatility=immutable
> makes you wince). I think my current favorite idea is 'effects'.
> I think all of (effects=volatile, effects=stable, effects=immutable)
> will be clear at sight when you know the PostgreSQL concepts.
>
Personally I'd prefer names similar to those used in the main documentation
http://www.postgresql.org/docs/9.4/static/xfunc-volatility.html
volatility=Volatile
volatility=Stable
volatility=Immutable
Make sense to me. Plus relate to the same terms used by a PL/pgSQL function.
> Any reactions or suggestions to the above (including "wait! stop! nooo,
> don't change any keywords!") welcome.
>
> -Chap
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>
--
Peter Henderson
Director
Starjar Ltd.
www.starjar.com
0330 088 1662
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