Re: PostgreSQL Bug with simple function unexpectedly treating varchar parameter as an array

From: Rumpi Gravenstein <rgravens(at)gmail(dot)com>
To: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at>, PostgreSQL <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: PostgreSQL Bug with simple function unexpectedly treating varchar parameter as an array
Date: 2025-08-06 21:39:33
Message-ID: CAEpg1wCuZ5DgA_oj=pY8BUnsRP_7Lk24xXwjzp-Atw1-Uir-AA@mail.gmail.com
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That having a table and function with similar names causes this problem is
a bug.

Going forward I'll be sure to avoid the problem.

On Wed, Aug 6, 2025 at 5:35 PM David G. Johnston <david(dot)g(dot)johnston(at)gmail(dot)com>
wrote:

> On Wednesday, August 6, 2025, Rumpi Gravenstein <rgravens(at)gmail(dot)com>
> wrote:
>
>> Here's a reproducible test case that causes the problem in different
>> schemas. The issue appears to be related to creating a table and a
>> function that has the same name as the table with a prepended underscore.
>>
>
> Don’t do that. Naming a function (action) and table (noun) the same seems
> unwise anyway, underscores or no.
>
> David J.
>
>

--
Rumpi Gravenstein

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