[ https://issues.apache.org/jira/browse/IMPALA-9852?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Volnei closed IMPALA-9852. -------------------------- Resolution: Not A Bug > UDA Check that function name, arguments, and return type are correct. > ---------------------------------------------------------------------- > > Key: IMPALA-9852 > URL: https://issues.apache.org/jira/browse/IMPALA-9852 > Project: IMPALA > Issue Type: Question > Components: Backend > Affects Versions: Impala 2.10.0 > Reporter: Volnei > Priority: Major > > Hi, > I'm trying to register a UDA in the database, but the error below always > happens: > {code:java} > create aggregate function avgtest(double) returns double > location '/user/cloudera/impala_udf/aggreg.so' > init_fn='Avg_Init' > update_fn='Avg_Update' > merge_fn='Avg_Merge' > finalize_fn='Avg_Finalize'; > AnalysisException: Could not find function Avg_Update(DOUBLE) returns DOUBLE > in: hdfs://quickstart.cloudera:8020/user/cloudera/impala_udf/aggreg.so Check > that function name, arguments, and return type are correct > {code} > If I create a UDA without using BufferVal as one of the arguments, the error > doesnt ' happen. > The UDA in question is the one available in impala-master/be/src/udf_samples / > {code:java} > void Avg_Init(FunctionContext* context, BufferVal* val); > void Avg_Update(FunctionContext* context, *const DoubleVal*& input, > BufferVal* val); > void Avg_Merge(FunctionContext* context, const BufferVal& src, BufferVal* > dst); > *DoubleVal* Avg_Finalize(FunctionContext* context, const BufferVal& val); > {code} > Could anybody give me any suggestions on this problem? > Thank you. -- This message was sent by Atlassian Jira (v8.3.4#803005)