pedrumj2 commented on code in PR #13016:
URL: https://github.com/apache/gluten/pull/13016#discussion_r4020463447
##########
docs/developers/VeloxUDF.md:
##########
@@ -192,6 +192,18 @@ VeloxColumnarToRow
+- Scan hive spark_catalog.default.tbl [col1#11], HiveTableRelation
[`spark_catalog`.`default`.`tbl`,
org.apache.hadoop.hive.serde2.lazy.LazySimpleSerDe, Data Cols: [col1#11],
Partition Cols: []]
```
+## Natively Only UDF Registration
+
+This is an alternative to the registration described above, for a UDF that is
implemented only in Velox and has no Java counterpart.
+
+A UDF whose registered name contains no dot is added to the session's function
registry under that name. It needs no matching Hive UDF class, no jar on the
classpath, and no `CREATE TEMPORARY FUNCTION` — register it under a name with
no dot, such as `my_udf`, and call it directly:
Review Comment:
Updated
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