ok,
I retract my last question on mapping arrow fields to parquet leaf nodes, all
the pieces are there and it’s a 5 line function.
I still feel a bit thrown off by the column index semantics, but I see how it
can open up for more interesting requests where once would want a subset of a
struct.
Hi,
(my apologies if this has already been discussed)
I just took a stab at the struct support in parquet FileReader and I am a bit
confused by the column index semantic when trying to read a subset of columns
from a subset of row groups:
Say I have a single column arrow table
top: struct {