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Posted to dev@pig.apache.org by "Daniel Dai (Updated) (JIRA)" <ji...@apache.org> on 2012/01/12 22:23:39 UTC
[jira] [Updated] (PIG-2375) Incorrect outputSchema is invoked when
overloading UDF in 0.9.1
[ https://issues.apache.org/jira/browse/PIG-2375?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Daniel Dai updated PIG-2375:
----------------------------
Fix Version/s: (was: 0.9.1)
0.9.2
> Incorrect outputSchema is invoked when overloading UDF in 0.9.1
> ---------------------------------------------------------------
>
> Key: PIG-2375
> URL: https://issues.apache.org/jira/browse/PIG-2375
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.9.1
> Reporter: Prashant Kommireddi
> Assignee: Prashant Kommireddi
> Fix For: 0.9.2
>
> Attachments: LogFieldValue.java, LogFieldValues.java
>
>
> When overloading a UDF with getArgToFuncMapping() the parent/root UDF outputSchema() is being called.
> {code}
> @Override
> public List<FuncSpec> getArgToFuncMapping() throws FrontendException {
> List<FuncSpec> funcList = new ArrayList<FuncSpec>();
> Schema s = new Schema();
> s.add(new Schema.FieldSchema(null, DataType.TUPLE));
> s.add(new Schema.FieldSchema(null, DataType.CHARARRAY));
> funcList.add(new FuncSpec(this.getClass().getName(), s));
> Schema s1 = new Schema();
> s1.add(new Schema.FieldSchema(null, DataType.TUPLE));
> s1.add(new Schema.FieldSchema(null, DataType.TUPLE));
> funcList.add(new FuncSpec(LogFieldValues.class.getName(), s1));
> return funcList;
> }
> {code}
> In the above function, "LogFieldValues" is used when the input is (tuple, tuple) but the outputSchema() is invoked from the root UDF.
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