Re: Oracle Style packages on postgres
От | Hannu Krosing |
---|---|
Тема | Re: Oracle Style packages on postgres |
Дата | |
Msg-id | 1115638427.4784.7.camel@fuji.krosing.net обсуждение исходный текст |
Ответ на | Re: Oracle Style packages on postgres (Thomas Hallgren <thhal@mailblocks.com>) |
Список | pgsql-hackers |
On E, 2005-05-09 at 07:36 +0200, Thomas Hallgren wrote: > Satoshi Nagayasu wrote: > > >> An oracle package is created when first referenced. Its initialization > >> code is run once (ie costly queries to populate session wide package > >> params) and the package dies at the end of the session > >> An analogy with OOP is that it's like having a single class instance > >> available for the duration of a session. > >> > PL/Java has an object called "Session" that does exactly this. And pl/python has a global dictionary SD for the same purpose. > It is not > available from other languages at present. Are Packages supposed to be > cross-language? Probably not, as they already have most of the needed features. Maybe we can set up some lighter version of package for cross-language features (like installing removing a group of functions) but this are much less needed for more advanced languages. -- Hannu Krosing <hannu@skype.net>
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