org.apache.pig.piggybank.evaluation.string
Class INDEXOF

java.lang.Object
  org.apache.pig.EvalFunc<Integer>
      org.apache.pig.piggybank.evaluation.string.INDEXOF

Deprecated. Use INDEXOF

@Deprecated
public class INDEXOF
extends EvalFunc<Integer>

Field Summary

Fields inherited from class org.apache.pig.EvalFunc

pigLogger, reporter, returnType

Constructor Summary

INDEXOF()
Deprecated.

Method Summary

Integer	exec(Tuple input) Deprecated. Method invoked on every tuple during foreach evaluation
Schema	outputSchema(Schema input) Deprecated. Report the schema of the output of this UDF.

Methods inherited from class org.apache.pig.EvalFunc

finish, getArgToFuncMapping, getCacheFiles, getLogger, getPigLogger, getReporter, getReturnType, getSchemaName, isAsynchronous, progress, setPigLogger, setReporter, warn

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

INDEXOF

public INDEXOF()

Deprecated.

Method Detail

exec

public Integer exec(Tuple input)
             throws IOException

Deprecated.

Method invoked on every tuple during foreach evaluation

Specified by:

exec in class EvalFunc<Integer>

Parameters:

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 search

Returns:

index of first occurrence, or null in case of processing error

Throws:

IOException

outputSchema

public Schema outputSchema(Schema input)

Deprecated.

Description copied from class: EvalFunc

Report the schema of the output of this UDF. Pig will make use of this in error checking, optimization, and planning. The schema of input data to this UDF is provided.

Overrides:

outputSchema in class EvalFunc<Integer>

Parameters:

input - Schema of the input

Returns:

Schema of the output