Hello
>> - recovery_target = immediate was replaced with recovery_target_immediate bool GUC
>
> Why?
Due this comment: https://www.postgresql.org/message-id/20181126172118.GY3415%40tamriel.snowman.net
> I've not been following this very closely, but seems like
> recovery_target_string is a bad idea.. Why not just make that
> 'recovery_target_immediate' and make it a boolean? Having a GUC that's
> only got one valid value seems really odd.
regards, Sergei