Hi Laurenz Actually ,Many fork postgresql databases have already implemented ,For example, if the relevant field has a non-null constraint ,Many databases can do the same thing as not exist ( MySQL ,SQL Server,Oracle)
Thanks On Mon, Feb 24, 2025 at 7:55 PM Laurenz Albe <laurenz.a...@cybertec.at> wrote: > On Mon, 2025-02-24 at 17:12 +0800, wenhui qiu wrote: > > Do we have plans for NOT IN subquery pull up? > > As mentioned before, that is not possible. > Best practice is to avoid NOT IN with subqueries altogether. > The result is usually not what people expect it to be. > > Yours, > Laurenz Albe > > -- > > *E-Mail Disclaimer* > Der Inhalt dieser E-Mail ist ausschliesslich fuer den > bezeichneten Adressaten bestimmt. Wenn Sie nicht der vorgesehene Adressat > dieser E-Mail oder dessen Vertreter sein sollten, so beachten Sie bitte, > dass jede Form der Kenntnisnahme, Veroeffentlichung, Vervielfaeltigung > oder > Weitergabe des Inhalts dieser E-Mail unzulaessig ist. Wir bitten Sie, sich > in diesem Fall mit dem Absender der E-Mail in Verbindung zu setzen. > > *CONFIDENTIALITY NOTICE & DISCLAIMER > *This message and any attachment are > confidential and may be privileged or otherwise protected from disclosure > and solely for the use of the person(s) or entity to whom it is intended. > If you have received this message in error and are not the intended > recipient, please notify the sender immediately and delete this message > and > any attachment from your system. If you are not the intended recipient, be > advised that any use of this message is prohibited and may be unlawful, > and > you must not copy this message or attachment or disclose the contents to > any other person. >