På torsdag 06. januar 2022 kl. 14:42:21, skrev Pavel Stehule < pavel.steh...@gmail.com <mailto:pavel.steh...@gmail.com>>:
Hi čt 6. 1. 2022 v 14:33 odesílatel Andreas Joseph Krogh <andr...@visena.com <mailto:andr...@visena.com>> napsal: På torsdag 06. januar 2022 kl. 14:29:12, skrev David G. Johnston < david.g.johns...@gmail.com <mailto:david.g.johns...@gmail.com>>: [..] The fact is that the ‘ - - > ‘ operator gives you the needed output. David J. Yeah, I think that's the correct answer for this use-case. It is true that some other casting function is missing. I am not sure if this is part of ANSI/SQL json support. Now, you can use helper function CREATE OR REPLACE FUNCTION public.to_text(jsonb) RETURNS text LANGUAGE sql AS $function$ select jsonb_array_element_text($1, 0) $function$ postgres=# select to_text((jsonb '{"a":"Ahoj"}')['a']); ┌─────────┐ │ to_text │ ╞═════════╡ │ Ahoj │ └─────────┘ (1 row) Regards Pavel Thanks! -- Andreas Joseph Krogh CTO / Partner - Visena AS Mobile: +47 909 56 963 andr...@visena.com <mailto:andr...@visena.com> www.visena.com <https://www.visena.com> <https://www.visena.com>
