CZ Codeshare Class
 

Flying on a CZ codeshare booked in E class, what does it convert to in KL codes?

What's the operating airline and through whom did you book? I don't understand.

KL-operated, CZ-coded and ticketed in E class.

I just want to make sure this works out to be a mile-earning ticket on the KL segment, as the CZ segments on the reservation non-mile earning.

Flying Blue works diffrently from, say, M&M. While miles accrual with M&M on codeshre flights is determined by the corresponding booking class of the operating carrier, FB's rules are such that miles are determined by the booking class you actually booked. So if you book E class on a CZ code, you get miles according to the CZ earning table in the FB partner section. The operating carrier is irrelevant here.

I'd actually be earning on DL (I know, I know:(...:()