From: | jian he <jian(dot)universality(at)gmail(dot)com> |
---|---|
To: | kcai(at)wyebot(dot)com, pgsql-docs(at)lists(dot)postgresql(dot)org |
Subject: | Re: A typo? |
Date: | 2024-04-07 14:24:11 |
Message-ID: | CACJufxHCjwArsHNEMK=JEzPkoQTaapyWHpAmBjiTOtYaOBNVWg@mail.gmail.com |
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Lists: | pgsql-docs |
On Sun, Apr 7, 2024 at 6:30 PM PG Doc comments form
<noreply(at)postgresql(dot)org> wrote:
>
> The following documentation comment has been logged on the website:
>
> Page: https://www.postgresql.org/docs/16/plpgsql-declarations.html
> Description:
>
> Under 43.3.1, "Notice that we omitted RETURNS real — we could have included
> it, but it would be redundant."
> Should that be "RETURNS tax" instead of "RETURNS real"?
I think it's related to the plpgsql "RETURNS" and "RETURN" confusion.
RETURN can appear between "begin", "end".
RETURNS need to specify before "AS".
not omit "RETURNS real" would be:
CREATE FUNCTION sales_tax(subtotal real, OUT tax real) returns real AS $$
BEGIN
tax := subtotal * 0.06;
END;
$$ LANGUAGE plpgsql;
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