Re: Okay to remove mention of mystery @ and ~ operators?

Aleksander Alekseev <aleksander@timescale.com>

From: Aleksander Alekseev <aleksander@timescale.com>
To: pgsql-hackers@postgresql.org
Cc: Colin Caine <cmcaine@gmail.com>
Date: 2024-04-19T10:08:50Z
Lists: pgsql-hackers
Hi,

> This page says that the `@` and `~` operators on various types can be accelerated by a GiST index.
>
> https://www.postgresql.org/docs/current/gist-builtin-opclasses.html
>
> These operators have been listed in the file since it was created in 2014, but if they exist then I don't know how to use them or what they do.
>
> Code examples, for clarity:
>
> > select box '(0,0),(1, 1)' ~ box '(2,2),(3,3)';
> operator does not exist: box ~ box
>
> > select box '(0,0),(1, 1)' @ box '(2,2),(3,3)';
> operator does not exist: box @ box
>
> If they're a typo or some removed thing then I'd like to remove them from the page. This email is me asking to find out if I'm wrong about that before I try to submit a patch (also very happy for someone with a committer bit to just fix this).

Indeed, there is no @(box,box) or ~(box,box) in the \dAo output. These
operators were removed by 2f70fdb0644c back in 2020.

I will submit a patch for the documentation shortly. Thanks for reporting.

-- 
Best regards,
Aleksander Alekseev



Commits

  1. Doc: Remove mention of @ and ~ GiST operators