| From: | Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com> |
|---|---|
| To: | Arthur Zakirov <a(dot)zakirov(at)postgrespro(dot)ru>, Dmitry Dolgov <9erthalion6(at)gmail(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, David Steele <david(at)pgmasters(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: [PATCH] Generic type subscripting |
| Date: | 2017-09-20 01:01:57 |
| Message-ID: | 390c5fe0-bced-9d4d-6167-82896efa93bf@2ndquadrant.com |
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| Lists: | pgsql-hackers |
On 9/18/17 05:39, Arthur Zakirov wrote:
> On Mon, Sep 18, 2017 at 10:31:54AM +0200, Dmitry Dolgov wrote:
>> Just to clarify, do you mean that `CREATE SUBSCRIPTING FOR` would only make
>> a
>> dependency record? In this case `DROP SUBSCRIPTING FOR` actually means just
>> drop an init function.
> I think it would be good to add new catalog table.
Would you mind posting a summary of how you go here?
Superficially, it seems like this sort of feature should be handled by a
couple of type attributes and pg_type columns. But you are talking
about a new system catalog and new DDL, and it's not clear to me how you
got here.
--
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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