On Mon, Sep 28, 2020 at 9:17 PM Thomas Kellerer <sham...@gmx.net> wrote:

> Andy Fan schrieb am 28.09.2020 um 02:54:
> > Well, that's very interesting.  Specific to my user case,
> > SELECT * FROM p WHERE pkey = to_date('2018-12-13', 'yyyy-mm-dd)';
>
> Why use to_date() at all for a constant value?
> Can't you use a standard ANSI date literal (date '2018-12-13')?
>
>
This is from lots of legacy code from Oracle and the real case is
to_date('20181213', 'yyyymmdd').

Alternatively, you could use make_date(2018,12,13) which is marked as
> immutable.
>
>
Thanks, Nice to know make_date function.

-- 
Best Regards
Andy Fan

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