Re: Schema variables - new implementation for Postgres 15

Dmitry Dolgov <9erthalion6@gmail.com>

From: Dmitry Dolgov <9erthalion6@gmail.com>
To: Pavel Stehule <pavel.stehule@gmail.com>
Cc: Peter Eisentraut <peter.eisentraut@enterprisedb.com>, Sergey Shinderuk <s.shinderuk@postgrespro.ru>, Tomas Vondra <tomas.vondra@enterprisedb.com>, Julien Rouhaud <rjuju123@gmail.com>, dean.a.rasheed@gmail.com, er@xs4all.nl, joel@compiler.org, pgsql-hackers@lists.postgresql.org
Date: 2024-01-28T20:09:05Z
Lists: pgsql-hackers

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →
  1. Allow underscores in integer and numeric constants.

  2. Remove special outfuncs/readfuncs handling of RangeVar.catalogname.

  3. Remove extra space from dumped ALTER DEFAULT PRIVILEGES.

  4. Create FKs properly when attaching table as partition

  5. psql: improve tab-complete's handling of variant SQL names.

> On Sun, Jan 28, 2024 at 08:34:40PM +0100, Pavel Stehule wrote:
> > * I've noticed an interesting result when a LET statement is used to
> > assign a
> >   value without a subquery:
> >
> >         create variable test as text;
> >         -- returns NULL
> >         select test;
> >
> >         -- use repeat directly without a subquery
> >         let test = repeat("test", 100000);
> >
> >         -- returns NULL
> >         select test;
> >
> >   I was expecting to see an error here, is this a correct behaviour?
> >
>
> what is strange on this result?

Never mind, I've got confused about the quotes here -- it was referring
to the variable content, not a string.