org.apache.comet.CometNativeException: assertion failed: !self.format.is_null()

[andygrove]

Describe the bug

Both @comphead and I have run into this issue while attempting to disable WindowExec via config. I am investigating.

org.apache.comet.CometNativeException: assertion failed: !self.format.is_null()
        at comet::errors::init::{{closure}}(__internal__:0)
        at std::panicking::rust_panic_with_hook(__internal__:0)
        at std::panicking::begin_panic_handler::{{closure}}(__internal__:0)
        at std::sys::backtrace::__rust_end_short_backtrace(__internal__:0)
        at __rustc::rust_begin_unwind(__internal__:0)
        at core::panicking::panic_fmt(__internal__:0)
        at core::panicking::panic(__internal__:0)
        at arrow_schema::ffi::<impl core::convert::TryFrom<&arrow_schema::ffi::FFI_ArrowSchema> for arrow_schema::datatype::DataType>::try_from(__internal__:0)
        at arrow_array::ffi::from_ffi(__internal__:0)
        at <arrow_data::data::ArrayData as comet::execution::utils::SparkArrowConvert>::from_spark(__internal__:0)
        at comet::execution::operators::scan::ScanExec::get_next(__internal__:0)
        at comet::execution::operators::scan::ScanExec::new(__internal__:0)
        at comet::execution::planner::PhysicalPlanner::create_plan(__internal__:0)
        at comet::execution::jni_api::Java_org_apache_comet_Native_executePlan::{{closure}}::{{closure}}(__internal__:0)
        at Java_org_apache_comet_Native_executePlan(__internal__:0)

Steps to reproduce

No response

Expected behavior

No response

Additional context

No response

[andygrove]

This is resolved for now. It was somehow related to falling back to supporting WindowExec as a sink.