Trino's is_nan() is traslated wrong to SparkSQL

[dmelchor-stripe]

Fully reproducible code snippet

transpile("SELECT is_nan(DOUBLE 'NaN')", read="trino", write="spark")[0]

Results in

SELECT IS_NAN(CAST('NaN' AS DOUBLE))

But should result in:

SELECT ISNAN(CAST('NaN' AS DOUBLE))

Official Documentation
Please include links to official SQL documentation related to your issue.
https://spark.apache.org/docs/latest/api/sql/index.html#isnan

[tobymao]

@dmelchor-stripe thanks for these issues, they are relatively simple, feel free to make prs in the future