Creating java UDF for Spark SQL

sm1274 — Fri, 27 Oct 2023 08:44:11 GMT

Hello,

I have created a sample java UDF which masks few characters of a string. However I facing couple of issues when uploading and using it.

First I could only import it, which for now is OK. But when do the following,

create function udf_mask as 'baffleCrypto' using jar '/Workspace/Users/sumandra@baffle.io/baffle-databricks-udf-1.0-SNAPSHOT.jar'
Throws an error
[NOT_SUPPORTED_WITH_DB_SQL] CREATE FUNCTION is not supported on a SQL warehouse.

Is there an example on how to load a jar and then use it as external function. I followed the this guide
https://docs.databricks.com/en/sql/language-manual/sql-ref-syntax-ddl-create-function.html

Even cut-n-paste errors out.

Any ideas?

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Creating java UDF for Spark SQL