Does Trino to Spark only support conversion syntax differences? Does it not support conversion of function differences?

[HelloZZF]

I tried to convert these two functions, but both resulted in an error message "No match found for function".
select regexp_like('a','\d')
select date_diff('month',cast('2022-05-23' as date),cast('2022-06-23' as date))

When I try to convert SQL statements with syntax differences, Coral can successfully perform the conversion, for example:
SELECT * FROM mydb.mytable AS a CROSS JOIN UNNEST(split(a.id, ',')) AS t0 (b)

May I ask if the conversion of Trino to Spark function differences is not currently supported?
I see validator. validate (query) in the code
It is verified using the rules of hive, and the unique function in trino will report an error at this step

[wmoustafa]

Yes, Trino to Coral is not fully supported yet and it is work in progress.

[HelloZZF]

Got it，Thank you for your reply.