Re: psql: add \create_function command

Hi

pá 26. 1. 2024 v 19:41 odesílatel Steve Chavez <steve(at)supabase(dot)io> napsal:

> Hello hackers,
>
> Currently a function definition must include its body inline. Because of
> this, when storing function definitions in files, linters and syntax
> highlighters for non-SQL languages (python, perl, tcl, etc) won't work. An
> example can be seen on:
>
>
> https://github.com/postgres/postgres/blob/5eafacd2797dc0b04a0bde25fbf26bf79903e7c2/src/pl/plpython/sql/plpython_test.sql#L15-L24
>
> To solve the above issue, this patch adds a psql command to create a
> function and obtain its body from another file. It is used as:
>
> \create_function from ./data/max.py max(int,int) returns int LANGUAGE
> plpython3u
>
> Its design is similar to the `\copy` command, which is a frontend version
> of the COPY statement.
>
> This patch is at an initial stage but includes tests with plpython3u,
> pltcl, plperl and tab completion.
>
> Any feedback is welcomed.
>

looks a little bit obscure - why do you need to do it from psql? And how
frequently do you do it?

I think so this is fix on wrong place - you should to fix linters, not psql
- more without header you cannot do correct linting

Regards

Pavel

>
> Best regards,
> Steve Chavez
>