Re: psql: add \create_function command

pá 26. 1. 2024 v 21:04 odesílatel Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> napsal:

> Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
> > but why you need to do in psql? - you can prepare content outside and
> > execute just like echo "CREATE FUNCTION ...." | psql
>
> The bit that's probably hard if you're trying to do this in a shell
> script is "quote this data as a SQL string literal". psql can get
> that right even in the face of encoding considerations,
> standard_conforming_strings, etc. Not sure you can build a
> fully bulletproof solution outside.
>

I don't know, maybe I have a problem with the described use case. I cannot
imagine holding the body and head of PL routines in different places and I
don't understand the necessity to join it.

On second hand, few years ago (if I remember well, I proposed some like
`:{file}`. I don't remember the syntax. But it was not finished, and then I
wrote

https://github.com/okbob/pgimportdoc

The possibility for some simple import external data can be nice

> regards, tom lane
>