Github user jihoonson commented on a diff in the pull request:
https://github.com/apache/tajo/pull/680#discussion_r36610170
--- Diff:
tajo-catalog/tajo-catalog-client/src/main/java/org/apache/tajo/catalog/AbstractCatalogClient.java
---
@@ -754,26 +801,19 @@ public final FunctionDesc getFunction(final String
signature, FunctionType funcT
builder.addParameterTypes(type);
}
- FunctionResponse response = null;
try {
final BlockingInterface stub = getStub();
- response = stub.getFunctionMeta(null, builder.build());
- } catch (ServiceException se) {
- throw new RuntimeException(se);
- }
-
- if (isThisError(response.getState(), ResultCode.UNDEFINED_FUNCTION)) {
- throw new UndefinedFunctionException(signature, paramTypes);
- } else if (isThisError(response.getState(),
ResultCode.AMBIGUOUS_FUNCTION)) {
- throw new AmbiguousFunctionException(signature, paramTypes);
- }
+ final FunctionResponse response = stub.getFunctionMeta(null,
builder.build());
--- End diff --
If there are several functions of the given name, getFunctionMeta() always
throws a function which has the nearest argument among them instead of throwing
```AmbiguousFunctionException```.
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