Re: how to correctly cast json value to text? - Mailing list pgsql-hackers

It is working. Thank you. But this syntax is a little bit scary.  Maybe we can introduce some functions for this case. Until to pg 14 this functionality was not necessary, but now it can be nice to have it.

DO $$
DECLARE v jsonb;
BEGIN
  -- hodnota musi byt validni json
  v['a'] = '"Ahoj"';
  RAISE NOTICE '%', v['a'] #>> '{}';
END;
$$;
NOTICE:  Ahoj
DO

Some ideas about the name of this function?

CREATE OR REPLACE FUNCTION jsonscalar_to_text(jsonb)

RETURNS text AS $$

SELECT $1 #>> '{}'

$$ LANGUAGE sql;