| From: | Alexander Korotkov <aekorotkov(at)gmail(dot)com> |
|---|---|
| To: | Mark Rofail <markm(dot)rofail(at)gmail(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>, Alvaro Herrera <alvaro(dot)herrera(at)2ndquadrant(dot)com>, David Steele <david(at)pgmasters(dot)net>, Stephen Frost <sfrost(at)snowman(dot)net> |
| Subject: | Re: GSoC 2017: Foreign Key Arrays |
| Date: | 2017-06-18 20:16:09 |
| Message-ID: | CAPpHfdtxjbTHvwzvaK5NYpmZeDxZMwSD8v0=evJ_y15656TzVQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sun, Jun 18, 2017 at 12:41 AM, Mark Rofail <markm(dot)rofail(at)gmail(dot)com>
wrote:
> *Questions:*
>
> - I'd like to check that anyelem and anyarray have the same element
> type. but anyelem is obtained from PG_FUNCTION_ARGS as a Datum. How
> can I make such a check?
>
>
As I know, it's implicitly checked during query analyze stage. You don't
have to implement your own check inside function implementation.
------
Alexander Korotkov
Postgres Professional: http://www.postgrespro.com
The Russian Postgres Company
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