/**
* This is called outside of the lock. Some of the methods that are called transitively by this
* (e.g. addFunction) will take the lock again and then release it, which is ok.
*/
private FunctionInfo getFunctionInfoFromMetastoreNoLock(String functionName, HiveConf conf) {
try {
String[] parts = FunctionUtils.getQualifiedFunctionNameParts(functionName);
Function func = Hive.get(conf).getFunction(parts[0].toLowerCase(), parts[1]);
if (func == null) {
return null;
}
// Found UDF in metastore - now add it to the function registry.
FunctionInfo fi =
registerPermanentFunction(
functionName,
func.getClassName(),
true,
FunctionTask.toFunctionResource(func.getResourceUris()));
if (fi == null) {
LOG.error(func.getClassName() + " is not a valid UDF class and was not registered");
return null;
}
return fi;
} catch (Throwable e) {
LOG.info("Unable to look up " + functionName + " in metastore", e);
}
return null;
}
