| From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
|---|---|
| To: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
| Cc: | "oleg(dot)rekin(at)gmail(dot)com" <oleg(dot)rekin(at)gmail(dot)com>, Pg Docs <pgsql-docs(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Array functions, array_length behavior given an empty array |
| Date: | 2021-11-08 17:21:24 |
| Message-ID: | CAFj8pRAp=AeTONo3-YRYvSEGwVB7VD_DZoSAEVwkgUb--iOgOw@mail.gmail.com |
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| Lists: | pgsql-docs |
po 8. 11. 2021 v 18:11 odesílatel David G. Johnston <
david(dot)g(dot)johnston(at)gmail(dot)com> napsal:
> On Monday, November 8, 2021, Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
> wrote:
>
>> Hi
>>
>> po 8. 11. 2021 v 13:48 odesílatel PG Doc comments form <
>> noreply(at)postgresql(dot)org> napsal:
>>
>>> The following documentation comment has been logged on the website:
>>>
>>> I believe, such case deserves to be mentioned in the description and/or
>>> in
>>> examples.
>>>
>>
>> you can read related discussion
>> https://pgsql-hackers.postgresql.narkive.com/lZJQ64dp/array-length-anyarray
>>
>> Use instead function cardinality
>>
>
> I believe the OP has a point that we could do better with the
> documentation though. Especially now that we’ve performed the function
> table reformatting.
>
+1
Pavel
> David J.
>
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