Vortex does not support IS NOT DISTINCT FROM for DDL/DML deletions

[peasee]

Error: ETL initialization failed: write nation batch 0: ADBC update execution failed for 'nation': Failed to execute query: Internal: [FlightSQL] Failed to execute statement: External error: External error: Failed to convert filter to Vortex expression: Unsupported datafusion operator IS NOT DISTINCT FROM
Backtrace:
disabled backtrace. Filter: n_nationkey@0 IS NOT DISTINCT FROM 11 (Internal; ExecuteQuery) (sqlstate: [0, 0, 0, 0, 0], vendor_code: -2147483648) 

Could cause problems for null checks vs using equality predicates