po 14. 8. 2023 v 11:17 odesÃlatel Andy Fan <zhihui.fan1...@gmail.com> napsal:
>
>> you cannot to use type as parameter. There should be some typed value -
>> like
>>
>> jsonb_object_field, '{"a":10}', 'a', NULL::int)
>>
>> and return type should be anyelement.
>>
>>
> So could we get the inputted type in the body of jsonb_object_field?
> I guess no. IIUC, our goal will still be missed in this way.
>
why not? You can easily build null constant of any type.
>
> --
> Best Regards
> Andy Fan
>
