deniskuzZ commented on code in PR #5703:
URL: https://github.com/apache/hive/pull/5703#discussion_r2095788677
##########
ql/src/java/org/apache/hadoop/hive/ql/optimizer/physical/Vectorizer.java:
##########
@@ -2411,6 +2415,38 @@ private boolean getOnlyStructObjectInspectors(ReduceWork
reduceWork,
}
}
+ private void addCustomUDFs(HiveConf hiveConf) {
+ if (hiveConf == null) {
+ return;
+ }
+
+ String[] udfs =
+ HiveConf.getTrimmedStringsVar(hiveConf,
HiveConf.ConfVars.HIVE_VECTOR_ADAPTOR_CUSTOM_UDF_WHITELIST);
+ if (udfs == null) {
+ return;
+ }
+
+ HiveVectorAdaptorUsageMode hiveVectorAdaptorUsageMode =
+ HiveVectorAdaptorUsageMode.getHiveConfValue(hiveConf);
+ if (hiveVectorAdaptorUsageMode != HiveVectorAdaptorUsageMode.CHOSEN) {
+ return;
+ }
+
+ for (String udf : udfs) {
+ try {
+ Class<?> cls = Class.forName(udf);
+ if (GenericUDF.class.isAssignableFrom(cls)) {
+ supportedGenericUDFs.add(cls);
+ LOG.info("Registered custom UDF: {}", udf);
+ } else {
+ LOG.warn("{} must inherit from the GenericUDF", udf);
Review Comment:
please update the HiveConf description with that more:
````
HIVE_VECTOR_ADAPTOR_CUSTOM_UDF_WHITELIST("hive.vectorized.adaptor.custom.udf.whitelist",
"",
"A comma-separated list of custom UDFs allowed to operate in
vectorized mode " +
"when hive.vectorized.adaptor.usage.mode is set to chosen.\n" +
"Only Generic UDFs are supported for whitelisting; ensure that each
custom UDF class extends GenericUDF"),
````
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