Re: SQL/JSON features for v15

Hi,

On 2022-08-23 18:06:22 +0200, Pavel Stehule wrote:
> The errors that should be handled are related to json structure errors. I
> don't think so we have to handle all errors and all conversions.
> 
> The JSON knows only three types - and these conversions can be written
> specially for this case - or we can write json io routines to be able to
> signal error
> without an exception.

I think that's not true unfortunately. You can specify return types, and
composite types can be populated. Which essentially requires arbitrary
coercions.

Greetings,

Andres Freund