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Date: Sun, 7 Jul 2024 08:00:51 -0700
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Subject: Re: Declaring a field that is also an out parameter in a function
To: Pavel Stehule <pavel.stehule@gmail.com>
Cc: Michael Nolan <htfoot@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>,
 "pgsql-general@postgresql.org" <pgsql-general@postgresql.org>
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From: Adrian Klaver <adrian.klaver@aklaver.com>
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On 7/7/24 07:53, Pavel Stehule wrote:
> 
> 
> ne 7. 7. 2024 v 16:48 odesílatel Adrian Klaver 
> <adrian.klaver@aklaver.com <mailto:adrian.klaver@aklaver.com>> napsal:
> 
>     On 7/7/24 07:42, Pavel Stehule wrote:
>      >     I'm not sure why there's a warning about using an alias.
>     43.3.1 says
>      >     to use them for improved readability.
>      >
>      >
>      > it is obsolete - aliases were used when Postgres doesn't support
>     named
>      > arguments.
> 
>     Is that was what it was complaining about or the fact they where
>     declared and never used?
> 
> 
> I am not sure if I understand the question. My  reply was related to 
> generic usage of aliases.

The conversation was:

Mike Nolan

"I'm not sure why there's a warning about using an alias. 43.3.1 says
to use them for improved readability."

Pavel Stehule

"it is obsolete - aliases were used when Postgres doesn't support named 
arguments."

I was just trying to confirm that the warning was not for ALIAS being 
declared. That it was for what you state below.


> 
> Report from plpgsql_check was correct - and related variables were not 
> used.
> 
> 
>      >
>      > I  don't know any good reason why one variable can use more than
>     one name.
> 
>     Section 43.3.2. ALIAS provides the pros/cons.
> 
>      >
>      > There can be an exception when argument names are very long, but
>      > generally they are not used.
>      >
>      >
>      >
>      >     Mike Nolan
>      >
> 
>     -- 
>     Adrian Klaver
>     adrian.klaver@aklaver.com <mailto:adrian.klaver@aklaver.com>
> 

-- 
Adrian Klaver
adrian.klaver@aklaver.com