EvalFunc.SchemaTypepigLogger, reporter, returnType| Constructor and Description |
|---|
INDEXOF() |
| Modifier and Type | Method and Description |
|---|---|
boolean |
allowCompileTimeCalculation()
Whether the UDF should be evaluated at compile time if all inputs are constant.
|
Integer |
exec(Tuple input)
Method invoked on every tuple during foreach evaluation
|
Schema |
outputSchema(Schema input)
Report the schema of the output of this UDF.
|
finish, getArgToFuncMapping, getCacheFiles, getInputSchema, getLoadCaster, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, getSchemaType, getShipFiles, isAsynchronous, needEndOfAllInputProcessing, progress, setEndOfAllInput, setInputSchema, setPigLogger, setReporter, setUDFContextSignature, warnpublic Integer exec(Tuple input) throws IOException
exec in class EvalFunc<Integer>input - tuple; first column is assumed to have the column to convert
the second column is the string we search for
the third is an optional column from where to start the searchIOExceptionpublic Schema outputSchema(Schema input)
EvalFunc
The default implementation interprets the OutputSchema annotation,
if one is present. Otherwise, it returns null (no known output schema).
outputSchema in class EvalFunc<Integer>input - Schema of the inputpublic boolean allowCompileTimeCalculation()
EvalFuncallowCompileTimeCalculation in class EvalFunc<Integer>Copyright © 2007-2017 The Apache Software Foundation