On Sun, 2023-01-15 at 16:40 -0500, Tom Lane wrote:
> Laurenz Albe writes:
> > On Tue, 2023-01-10 at 15:53 +, PG Doc comments form wrote:
> > > > PLAIN prevents either compression or out-of-line storage; furthermore it
> > > > disables use of single-byte headers for varlena types. This is the o
Laurenz Albe writes:
> On Sun, 2023-01-15 at 16:40 -0500, Tom Lane wrote:
>> The documentation is correct, what is broken is the code.
> I see. But what is the reason for that anyway? Why not allow short varlena
> headers if TOAST storage is set to PLAIN?
The original motivation for that whole
The following documentation comment has been logged on the website:
Page: https://www.postgresql.org/docs/15/tutorial-agg.html
Description:
Near the end of Chapter 2.7 Aggregate Functions of the documentation, the
command FILTER is introduced. The full query is
SELECT city, max(temp_lo), count(*
PG Doc comments form writes:
> Near the end of Chapter 2.7 Aggregate Functions of the documentation, the
> command FILTER is introduced. The full query is
> SELECT city, max(temp_lo), count(*) FILTER (WHERE temp_lo < 30)
> FROM weather
> GROUP BY city
> HAVING max(temp_lo) < 40;
> an
