| From: | John Naylor <john(dot)naylor(at)enterprisedb(dot)com> |
|---|---|
| To: | Isaac Morland <isaac(dot)morland(at)gmail(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Add missing function abs (interval) |
| Date: | 2021-03-29 23:15:19 |
| Message-ID: | CAFBsxsEcgHzkOnK=X68W8NFCZH7BuHGx5ufE1dKZxxmCtuyqRw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Mar 29, 2021 at 3:33 PM Isaac Morland <isaac(dot)morland(at)gmail(dot)com>
wrote:
>
> On a newly set up system there are 7 types with a unary minus operator
defined, but only 6 of them have an abs function:
>
...
> Would a patch to add a function with this behaviour to the initial
database be welcome?
Looking in the archives, I see this attempt that you can build upon:
> If so, should I implement it essentially like the above, or as an
internal function? I've noticed that even when it seems like it might be
reasonable to implement a built-in function as an SQL function they tend to
be internal.
By default it should be internal.
--
John Naylor
EDB: http://www.enterprisedb.com
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