- transpile.py: raise recursion limit to 5000 for deeply nested pivot SQL
- cclf.py: cast to Float64 before arithmetic in _negate_if_cancelled,
use nw.concat_str for bill_type_code, add order_by to unique(),
use keep="any" for stg_beneficiary_demographics
- tests: reduce known transpile failures from 18 to 2, add known
parse failures for pivot expressions
36bb3eb62a
