donate comments/suggestions/bugs a leap of faith?
By using dbfiddle, you agree to license everything you submit by Creative Commons CC0

select '{"v": 300e715100}'::jsonb
show plan split remove clear
ERROR:  value overflows numeric format
LINE 1: select '{"v": 300e715100}'::jsonb
               ^


select '{"v": 300e715100}'::json
show plan split remove clear
json
{"v": 300e715100}