uts. Yes I have a new data source which wraps
> around built-in parquet data source. What I do not understand is with WSCG
> disabled, output is not columnar batch, if my changes do not handle
> columnar support, shouldn’t the behavior remain same with or without WSCG.
>
>
>
>
Hi Nasrulla,
Not sure what your new code is doing, but the symptom looks like you're
creating a new data source that wraps around the builtin Parquet data
source?
The problem here is, whole-stage codegen generated code for row-based
input, but the actual input is columnar.
In other words, in
