From: | Merlin Moncure <mmoncure(at)gmail(dot)com> |
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To: | YUriy Zhuravlev <u(dot)zhuravlev(at)postgrespro(dot)ru> |
Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Some questions about the array. |
Date: | 2015-12-02 20:01:29 |
Message-ID: | CAHyXU0xuQdVqBpy+qv8BU7O+NfVY-O1a71BitBVNrV0nfWLteA@mail.gmail.com |
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On Tue, Dec 1, 2015 at 8:46 AM, YUriy Zhuravlev
<u(dot)zhuravlev(at)postgrespro(dot)ru> wrote:
> On Tuesday 01 December 2015 08:38:21 you wrote:
>> it (zero
>> based indexing support) doesn't meet the standard of necessity for
>> adding to the core API and as stated it's much to magical.
>
> We do not touch the arrays, we simply create a function to access them with a
> comfortable behavior. Creating a separate array types in the form extension is
> very difficult IMHO.
Correct; what I'm saying is that we don't need core API support for
zero based array indexing. A hypothetical extension could give 100%
function based support for that so that equivalents to all functions
are given: array_upper, array_lower, etc etc etc. You are correct
that it could not implement alternative syntactical array features.
merlin
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