I'll bite. What is that code example actually returning? I don't have a clue what fields I expect to get back from that.
https://looker-open-source.github.io/malloy/documentation/pa...
Here is the SQL we generate.
https://gist.github.com/lloydtabb/8c144d2dac978dda9bf3ec4d6b...
[{
flight_date:
carrier:
daily_flight_count:
per_plane_data: [
{
tail_num:
plane_flight_count:
flight_legs: [