Re: [HACKERS] [PATCH] Generic type subscripting

On Sun, Sep 17, 2017 at 12:27:58AM +0200, Dmitry Dolgov wrote:
> spite of what form this step will be. Maybe it's possible to make something
> like `CREATE FUNCTION ... FOR SUBSCRIPTING`, then verify that assign/extract
> functions are presented and notify user if he missed them (but I would
> rather
> not do this unless it's really necessary, since it looks like an overkill).
> 
> But I'm open to any suggestions, do you have something in mind?

I have put some thought into it. What about the following syntax?

CREATE SUBSCRIPTING FOR type_name INITFUNC = subscripting_init_func FETCHFUNC = subscripting_fetch_func ASSIGNFUNC =
subscripting_assign_func
DROP SUBSCRIPTING FOR type_name

But I am not if the community will like such syntax.

-- 
Arthur Zakirov
Postgres Professional: http://www.postgrespro.com
Russian Postgres Company


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