explain select * from functional_kudu.date_tbl where date_col = DATE "1970-01-01";
00:SCAN KUDU [functional_kudu.date_tbl]
predicates: date_col = DATE '1970-01-01'
We should see "kudu predicates" instead of "predicates" if it was pushed down.
date is missing from the following switch case, so FE doesn't create kudu predicates for them:
Not sure whether backend changes are also needed