Re: [HACKERS] [PATCH] Generic type subscripting - Mailing list pgsql-hackers

From Dmitry Dolgov
Subject Re: [HACKERS] [PATCH] Generic type subscripting
Date
Msg-id CA+q6zcXzHbVHzX5HcYBQ1mL9b6d5f=REu3jGVVnfk7wSRGaMfg@mail.gmail.com
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In response to Re: [HACKERS] [PATCH] Generic type subscripting  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: [HACKERS] [PATCH] Generic type subscripting  (Dmitry Dolgov <9erthalion6@gmail.com>)
List pgsql-hackers
> On 11 September 2017 at 23:45, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>
> Dmitry Dolgov <9erthalion6@gmail.com> writes:
> >> On 11 September 2017 at 23:19, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> >> Uh, what?  Sure you can.  Just because the existing code never has a
> >> reason to create such a dependency doesn't mean it wouldn't work.
>
> > Well, I thought that `pg_depend` was not intended to be used from
> > user-defined code and it's something "internal".
>
> Well, no, we're not expecting that SQL code will manually insert rows
> there.  This feature should have some sort of SQL command that will
> set up the relevant catalog entries, including the dependencies.
> If you don't want to do that, you're going to need the runtime tests.

Sure, an SQL command for that purpose is much better than a runtime check.
I'm going to add such command to the patch, thank you for the information!

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