Uses of Class
org.apache.pig.EvalFunc

Packages that use EvalFunc

org.apache.pig	Public interfaces and classes for Pig.
org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators
org.apache.pig.backend.hadoop.executionengine.physicalLayer.util
org.apache.pig.builtin	This package contains builtin Pig UDFs.
org.apache.pig.impl.builtin
org.apache.pig.piggybank.evaluation
org.apache.pig.piggybank.evaluation.datetime
org.apache.pig.piggybank.evaluation.datetime.convert
org.apache.pig.piggybank.evaluation.datetime.diff
org.apache.pig.piggybank.evaluation.datetime.truncate
org.apache.pig.piggybank.evaluation.decode
org.apache.pig.piggybank.evaluation.math
org.apache.pig.piggybank.evaluation.string
org.apache.pig.piggybank.evaluation.util
org.apache.pig.piggybank.evaluation.util.apachelogparser
org.apache.pig.scripting.js
org.apache.pig.scripting.jython

Uses of EvalFunc in org.apache.pig

Subclasses of EvalFunc in org.apache.pig

class

FilterFunc

Uses of EvalFunc in org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators

Methods in org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators that return EvalFunc

EvalFunc

POUserFunc.getFunc()

Constructors in org.apache.pig.backend.hadoop.executionengine.physicalLayer.expressionOperators with parameters of type EvalFunc

POUserFunc(OperatorKey k, int rp, List<PhysicalOperator> inp, FuncSpec funcSpec, EvalFunc func)

Uses of EvalFunc in org.apache.pig.backend.hadoop.executionengine.physicalLayer.util

Methods in org.apache.pig.backend.hadoop.executionengine.physicalLayer.util with parameters of type EvalFunc

static void	MonitoredUDFExecutor.ErrorCallback.handleError(EvalFunc evalFunc, Exception e)
static void	MonitoredUDFExecutor.ErrorCallback.handleTimeout(EvalFunc evalFunc, Exception e)

Constructors in org.apache.pig.backend.hadoop.executionengine.physicalLayer.util with parameters of type EvalFunc

MonitoredUDFExecutor(EvalFunc udf)

Uses of EvalFunc in org.apache.pig.builtin

Subclasses of EvalFunc in org.apache.pig.builtin

class	ABS ABS implements a binding to the Java function Math.abs(double) for computing the absolute value of the argument.
class	ACOS ACOS implements a binding to the Java function Math.acos(double) for computing the arc cosine of value of the argument.
class	ARITY Deprecated. Use SIZE instead.
class	ASIN ASIN implements a binding to the Java function Math.asin(double) for computing the arc sine of value of the argument.
class	ATAN ATAN implements a binding to the Java function Math.atan(double) for computing the arc tangent of value of the argument.
class	AVG Generates the average of a set of values.
static class	AVG.Final
static class	AVG.Initial
static class	AVG.Intermediate
class	BagSize This method should never be used directly, use SIZE.
class	Base base class for math udfs
class	CBRT CBRT implements a binding to the Java function Math.cbrt(double) for computing the cube root of the argument.
class	CEIL CEIL implements a binding to the Java function Math.ceil(double).
class	CONCAT Generates the concatenation of the first two arguments.
class	ConstantSize This method should never be used directly, use SIZE.
class	COR Computes the correlation between sets of data.
static class	COR.Final
static class	COR.Initial
static class	COR.Intermed
class	COS COS implements a binding to the Java function Math.cos(double).
class	COSH COSH implements a binding to the Java function Math.cosh(double).
class	COUNT Generates the count of the number of values in a bag.
class	COUNT_STAR Generates the count of the values of the first field of a tuple.
static class	COUNT_STAR.Final
static class	COUNT_STAR.Initial
static class	COUNT_STAR.Intermediate
static class	COUNT.Final
static class	COUNT.Initial
static class	COUNT.Intermediate
class	COV Computes the covariance between sets of data.
static class	COV.Final
static class	COV.Initial
static class	COV.Intermed
class	DIFF DIFF takes two bags as arguments and compares them.
class	Distinct Find the distinct set of tuples in a bag.
static class	Distinct.Final
static class	Distinct.Initial
static class	Distinct.Intermediate
class	DoubleAbs
class	DoubleAvg This method should never be used directly, use AVG.
static class	DoubleAvg.Final
static class	DoubleAvg.Initial
static class	DoubleAvg.Intermediate
class	DoubleBase base class for math udfs that return Double value
class	DoubleMax This method should never be used directly, use MAX.
static class	DoubleMax.Final
static class	DoubleMax.Initial
static class	DoubleMax.Intermediate
class	DoubleMin This method should never be used directly, use MIN.
static class	DoubleMin.Final
static class	DoubleMin.Initial
static class	DoubleMin.Intermediate
class	DoubleRound Given a single data atom it Returns the closest long to the argument.
class	DoubleSum This method should never be used directly, use SUM.
static class	DoubleSum.Final
static class	DoubleSum.Initial
static class	DoubleSum.Intermediate
class	EXP Given a single data atom it returns the Euler's number e raised to the power of input
class	FloatAbs
class	FloatAvg This method should never be used directly, use AVG.
static class	FloatAvg.Final
static class	FloatAvg.Initial
static class	FloatAvg.Intermediate
class	FloatMax This method should never be used directly, use MAX.
static class	FloatMax.Final
static class	FloatMax.Initial
static class	FloatMax.Intermediate
class	FloatMin This method should never be used directly, use MIN.
static class	FloatMin.Final
static class	FloatMin.Initial
static class	FloatMin.Intermediate
class	FloatRound ROUND implements a binding to the Java function Math.round(float).
class	FloatSum This method should never be used directly, use SUM.
static class	FloatSum.Final
static class	FloatSum.Initial
static class	FloatSum.Intermediate
class	FLOOR FLOOR implements a binding to the Java function Math.floor(double).
class	GenericInvoker<T> The generic Invoker class does all the common grunt work of setting up an invoker.
class	INDEXOF INDEXOF implements eval function to search for a string Example: A = load 'mydata' as (name); B = foreach A generate INDEXOF(name, ",");
class	IntAbs ABS implements a binding to the Java function Math.abs(int) for computing the absolute value of the argument.
class	IntAvg This method should never be used directly, use AVG.
static class	IntAvg.Final
static class	IntAvg.Initial
static class	IntAvg.Intermediate
class	IntMax This method should never be used directly, use MAX.
static class	IntMax.Final
static class	IntMax.Initial
static class	IntMax.Intermediate
class	IntMin This method should never be used directly, use MIN.
static class	IntMin.Final
static class	IntMin.Initial
static class	IntMin.Intermediate
class	IntSum This method should never be used directly, use SUM.
static class	IntSum.Final
static class	IntSum.Initial
static class	IntSum.Intermediate
class	InvokeForDouble
class	InvokeForFloat
class	InvokeForInt
class	InvokeForLong
class	InvokeForString
class	IsEmpty Determine whether a bag or map is empty.
class	LAST_INDEX_OF string.INSTR implements eval function to search for the last occurrence of a string Returns null on error Example: A = load 'mydata' as (name); B = foreach A generate LASTINDEXOF(name, ",");
class	LCFIRST lower-case the first character of a string
class	LOG LOG implements a binding to the Java function Math.log(double).
class	LOG10 LOG10 implements a binding to the Java function Math.log10(double).
class	LongAbs
class	LongAvg This method should never be used directly, use AVG.
static class	LongAvg.Final
static class	LongAvg.Initial
static class	LongAvg.Intermediate
class	LongMax This method should never be used directly, use MAX.
static class	LongMax.Final
static class	LongMax.Initial
static class	LongMax.Intermediate
class	LongMin This method should never be used directly, use MIN.
static class	LongMin.Final
static class	LongMin.Initial
static class	LongMin.Intermediate
class	LongSum This method should never be used directly, use SUM.
static class	LongSum.Final
static class	LongSum.Initial
static class	LongSum.Intermediate
class	LOWER LOWER implements eval function to convert a string to lower case Example: A = load 'mydata' as (name); B = foreach A generate LOWER(name);
class	MapSize This method should never be used directly, use SIZE.
class	MAX Generates the maximum of a set of values.
static class	MAX.Final
static class	MAX.Initial
static class	MAX.Intermediate
class	MIN Generates the minimum of a set of values.
static class	MIN.Final
static class	MIN.Initial
static class	MIN.Intermediate
class	RANDOM Return a random double value.
class	REGEX_EXTRACT Syntax: String RegexExtract(String expression, String regex, int match_index). Input: expression-source string. regex-regular expression. match_index-index of the group to extract. Output: extracted group, if fail, return null.
class	REGEX_EXTRACT_ALL Syntax: String RegexExtractAll(String expression, String regex). Input: expression-source string. regex-regular expression. Output: A tuple of matched strings.
class	REPLACE REPLACE implements eval function to replace part of a string.
class	ROUND ROUND implements a binding to the Java function Math.round(double).
class	SIN SIN implements a binding to the Java function Math.sin(double).
class	SINH SINH implements a binding to the Java function Math.sinh(double).
class	SIZE Generates the size of the argument passed to it.
class	SQRT SQRT implements a binding to the Java function Math.sqrt(double).
class	StringConcat This method should never be used directly, use CONCAT.
class	StringMax This method should never be used directly, use MAX.
static class	StringMax.Final
static class	StringMax.Initial
static class	StringMax.Intermediate
class	StringMin This method should never be used directly, use MIN.
static class	StringMin.Final
static class	StringMin.Initial
static class	StringMin.Intermediate
class	StringSize This method should never be used directly, use SIZE.
class	STRSPLIT Wrapper around Java's String.split input tuple: first column is assumed to have a string to split; the optional second column is assumed to have the delimiter or regex to split on; if not provided, it's assumed to be '\s' (space) the optional third column may provide a limit to the number of results. If limit is not provided, 0 is assumed, as per Java's split().
class	SUBSTRING SUBSTRING implements eval function to get a part of a string.
class	SUM Generates the sum of a set of values.
static class	SUM.Final
static class	SUM.Initial
static class	SUM.Intermediate
class	TAN TAN implements a binding to the Java function Math.tan(double).
class	TANH TANH implements a binding to the Java function Math.tanh(double).
class	TOBAG This class takes a list of items and puts them into a bag T = foreach U generate TOBAG($0, $1, $2); It's like saying this: T = foreach U generate {($0), ($1), ($2)} Output schema: The output schema for this udf depends on the schema of its arguments.
class	TOKENIZE Given a chararray as an argument, this method will split the chararray and return a bag with a tuple for each chararray that results from the split.
class	TOMAP This class makes a map out of the parameters passed to it T = foreach U generate TOMAP($0, $1, $2, $3); It generates a map $0->1, $2->$3
class	TOP Top UDF accepts a bag of tuples and returns top-n tuples depending upon the tuple field value of type long.
static class	TOP.Final
static class	TOP.Initial
static class	TOP.Intermed
class	TOTUPLE This class makes a tuple out of the parameter T = foreach U generate TOTUPLE($0, $1, $2); It generates a tuple containing $0, $1, and $2
class	TRIM Returns a string, with leading and trailing whitespace omitted.
class	TupleSize This method should never be used directly, use SIZE.
class	UCFIRST upper-case the first character of a string
class	UPPER UPPER implements eval function to convert a string to upper case Example: A = load 'mydata' as (name); B = foreach A generate UPPER(name);

Uses of EvalFunc in org.apache.pig.impl.builtin

Subclasses of EvalFunc in org.apache.pig.impl.builtin

class	FindQuantiles
class	GetMemNumRows UDF to get memory size of a tuple and extracts number of rows value from special tuple created by PoissonSampleLoader It is used by skewed join.
class	GFAny built-in grouping function; permits system to choose any grouping.
class	GFCross
class	GFReplicate
class	IdentityColumn Returns the input, used by DuplicateForEachColumnRewrite to rewrite duplicate columns in ForEach.
class	PartitionSkewedKeys Partition reducers for skewed keys.
class	ReadScalars ReadScalars reads a line from a file and returns it as its value.

Uses of EvalFunc in org.apache.pig.piggybank.evaluation

Subclasses of EvalFunc in org.apache.pig.piggybank.evaluation

class	ExtremalTupleByNthField This class is similar to MaxTupleBy1stField except that it allows you to specify with field to use (instead of just using 1st field) and to specify ascending or descending.
static class	ExtremalTupleByNthField.HelperClass Utility classes and methods
class	MaxTupleBy1stField MaxTupleBy1stField UDF returns a tuple with max value of the first field in a given bag.
static class	MaxTupleBy1stField.Final
static class	MaxTupleBy1stField.Initial
static class	MaxTupleBy1stField.Intermediate

Uses of EvalFunc in org.apache.pig.piggybank.evaluation.datetime

Subclasses of EvalFunc in org.apache.pig.piggybank.evaluation.datetime

class

DiffDate Syntax: int DiffDate(String yyyymmdd1, String yyyymmdd2). Input: date string in "yyyymmdd" format. Output: (date1-date2) in days, can be negative.

Uses of EvalFunc in org.apache.pig.piggybank.evaluation.datetime.convert

Subclasses of EvalFunc in org.apache.pig.piggybank.evaluation.datetime.convert

class	CustomFormatToISO CustomFormatToISO converts arbitrary date formats to ISO format.
class	ISOToUnix ISOToUnix converts ISO8601 datetime strings to Unix Time Longs Jodatime: http://joda-time.sourceforge.net/ ISO8601 Date Format: http://en.wikipedia.org/wiki/ISO_8601 Unix Time: http://en.wikipedia.org/wiki/Unix_time Example usage: REGISTER /Users/me/commiter/piggybank/java/piggybank.jar ; REGISTER /Users/me/commiter/piggybank/java/lib/joda-time-1.6.jar ; DEFINE ISOToUnix org.apache.pig.piggybank.evaluation.datetime.convert.ISOToUnix(); ISOin = LOAD 'test.tsv' USING PigStorage('\t') AS (dt:chararray, dt2:chararray); DESCRIBE ISOin; ISOin: {dt: chararray,dt2: chararray} DUMP ISOin; (2009-01-07T01:07:01.000Z,2008-02-01T00:00:00.000Z) (2008-02-06T02:06:02.000Z,2008-02-01T00:00:00.000Z) (2007-03-05T03:05:03.000Z,2008-02-01T00:00:00.000Z) ...
class	UnixToISO UnixToISO converts Unix Time Long datetimes to ISO8601 datetime strings Jodatime: http://joda-time.sourceforge.net/ ISO8601 Date Format: http://en.wikipedia.org/wiki/ISO_8601 Unix Time: http://en.wikipedia.org/wiki/Unix_time Example usage: REGISTER /Users/me/commiter/piggybank/java/piggybank.jar ; REGISTER /Users/me/commiter/piggybank/java/lib/joda-time-1.6.jar ; DEFINE UnixToISO org.apache.pig.piggybank.evaluation.datetime.convert.UnixToISO(); UnixIn = LOAD 'test2.tsv' USING PigStorage('\t') AS (dt:long); DESCRIBE UnixIn; UnixIn: {dt: long} DUMP UnixIn; (1231290421000L) (1233885962000L) (1236222303000L) toISO = FOREACH UnixIn GENERATE UnixToISO(dt) AS ISOTime:chararray; DESCRIBE toISO; toISO: {ISOTime: chararray} DUMP toISO; (2009-01-07T01:07:01.000Z) (2009-02-06T02:06:02.000Z) (2009-03-05T03:05:03.000Z) ...

Uses of EvalFunc in org.apache.pig.piggybank.evaluation.datetime.diff

Subclasses of EvalFunc in org.apache.pig.piggybank.evaluation.datetime.diff

class	ISODaysBetween ISODaysBetween returns the number of days between two ISO8601 datetimes as a Long Jodatime: http://joda-time.sourceforge.net/ ISO8601 Date Format: http://en.wikipedia.org/wiki/ISO_8601 Example usage: REGISTER /Users/me/commiter/piggybank/java/piggybank.jar ; REGISTER /Users/me/commiter/piggybank/java/lib/joda-time-1.6.jar ; DEFINE ISOYearsBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOYearsBetween(); DEFINE ISOMonthsBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOMonthsBetween(); DEFINE ISODaysBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISODaysBetween(); DEFINE ISOHoursBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOHoursBetween(); DEFINE ISOMinutesBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOMinutesBetween(); DEFINE ISOSecondsBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOSecondsBetween(); ISOin = LOAD 'test.tsv' USING PigStorage('\t') AS (dt:chararray, dt2:chararray); DESCRIBE ISOin; ISOin: {dt: chararray,dt2: chararray} DUMP ISOin; (2009-01-07T01:07:01.000Z,2008-02-01T00:00:00.000Z) (2008-02-06T02:06:02.000Z,2008-02-01T00:00:00.000Z) (2007-03-05T03:05:03.000Z,2008-02-01T00:00:00.000Z) ...
class	ISOHoursBetween ISOHoursBetween returns the number of hours between two ISO8601 datetimes as a Long Jodatime: http://joda-time.sourceforge.net/ ISO8601 Date Format: http://en.wikipedia.org/wiki/ISO_8601 Example usage: REGISTER /Users/me/commiter/piggybank/java/piggybank.jar ; REGISTER /Users/me/commiter/piggybank/java/lib/joda-time-1.6.jar ; DEFINE ISOYearsBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOYearsBetween(); DEFINE ISOMonthsBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOMonthsBetween(); DEFINE ISODaysBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISODaysBetween(); DEFINE ISOHoursBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOHoursBetween(); DEFINE ISOMinutesBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOMinutesBetween(); DEFINE ISOSecondsBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOSecondsBetween(); ISOin = LOAD 'test.tsv' USING PigStorage('\t') AS (dt:chararray, dt2:chararray); DESCRIBE ISOin; ISOin: {dt: chararray,dt2: chararray} DUMP ISOin; (2009-01-07T01:07:01.000Z,2008-02-01T00:00:00.000Z) (2008-02-06T02:06:02.000Z,2008-02-01T00:00:00.000Z) (2007-03-05T03:05:03.000Z,2008-02-01T00:00:00.000Z) ...
class	ISOMinutesBetween ISOMinutesBetween returns the number of minutes between two ISO8601 datetimes as a Long Jodatime: http://joda-time.sourceforge.net/ ISO8601 Date Format: http://en.wikipedia.org/wiki/ISO_8601 Example usage: REGISTER /Users/me/commiter/piggybank/java/piggybank.jar ; REGISTER /Users/me/commiter/piggybank/java/lib/joda-time-1.6.jar ; DEFINE ISOYearsBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOYearsBetween(); DEFINE ISOMonthsBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOMonthsBetween(); DEFINE ISODaysBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISODaysBetween(); DEFINE ISOHoursBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOHoursBetween(); DEFINE ISOMinutesBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOMinutesBetween(); DEFINE ISOSecondsBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOSecondsBetween(); ISOin = LOAD 'test.tsv' USING PigStorage('\t') AS (dt:chararray, dt2:chararray); DESCRIBE ISOin; ISOin: {dt: chararray,dt2: chararray} DUMP ISOin; (2009-01-07T01:07:01.000Z,2008-02-01T00:00:00.000Z) (2008-02-06T02:06:02.000Z,2008-02-01T00:00:00.000Z) (2007-03-05T03:05:03.000Z,2008-02-01T00:00:00.000Z) ...
class	ISOMonthsBetween ISOMonthsBetween returns the number of months between two ISO8601 datetimes as a Long Jodatime: http://joda-time.sourceforge.net/ ISO8601 Date Format: http://en.wikipedia.org/wiki/ISO_8601 Example usage: REGISTER /Users/me/commiter/piggybank/java/piggybank.jar ; REGISTER /Users/me/commiter/piggybank/java/lib/joda-time-1.6.jar ; DEFINE ISOYearsBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOYearsBetween(); DEFINE ISOMonthsBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOMonthsBetween(); DEFINE ISODaysBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISODaysBetween(); DEFINE ISOHoursBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOHoursBetween(); DEFINE ISOMinutesBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOMinutesBetween(); DEFINE ISOSecondsBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOSecondsBetween(); ISOin = LOAD 'test.tsv' USING PigStorage('\t') AS (dt:chararray, dt2:chararray); DESCRIBE ISOin; ISOin: {dt: chararray,dt2: chararray} DUMP ISOin; (2009-01-07T01:07:01.000Z,2008-02-01T00:00:00.000Z) (2008-02-06T02:06:02.000Z,2008-02-01T00:00:00.000Z) (2007-03-05T03:05:03.000Z,2008-02-01T00:00:00.000Z) ...
class	ISOSecondsBetween ISOSecondsBetween returns the number of seconds between two ISO8601 datetimes as a Long Jodatime: http://joda-time.sourceforge.net/ ISO8601 Date Format: http://en.wikipedia.org/wiki/ISO_8601 Example usage: REGISTER /Users/me/commiter/piggybank/java/piggybank.jar ; REGISTER /Users/me/commiter/piggybank/java/lib/joda-time-1.6.jar ; DEFINE ISOYearsBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOYearsBetween(); DEFINE ISOMonthsBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOMonthsBetween(); DEFINE ISODaysBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISODaysBetween(); DEFINE ISOHoursBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOHoursBetween(); DEFINE ISOMinutesBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOMinutesBetween(); DEFINE ISOSecondsBetween org.apache.pig.piggybank.evaluation.datetime.diff.ISOSecondsBetween(); ISOin = LOAD 'test.tsv' USING PigStorage('\t') AS (dt:chararray, dt2:chararray); DESCRIBE ISOin; ISOin: {dt: chararray,dt2: chararray} DUMP ISOin; (2009-01-07T01:07:01.000Z,2008-02-01T00:00:00.000Z) (2008-02-06T02:06:02.000Z,2008-02-01T00:00:00.000Z) (2007-03-05T03:05:03.000Z,2008-02-01T00:00:00.000Z) ...
class	ISOYearsBetween

Uses of EvalFunc in org.apache.pig.piggybank.evaluation.datetime.truncate

Subclasses of EvalFunc in org.apache.pig.piggybank.evaluation.datetime.truncate

class	ISOToDay ISOToDay truncates an ISO8601 datetime string to the precision of the day field Jodatime: http://joda-time.sourceforge.net/ ISO8601 Date Format: http://en.wikipedia.org/wiki/ISO_8601 Example usage: REGISTER /Users/me/commiter/piggybank/java/piggybank.jar ; REGISTER /Users/me/commiter/piggybank/java/lib/joda-time-1.6.jar ; DEFINE ISOToYear org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToYear(); DEFINE ISOToMonth org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToMonth(); DEFINE ISOToWeek org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToWeek(); DEFINE ISOToDay org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToDay(); DEFINE ISOToHour org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToHour(); DEFINE ISOToMinute org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToMinute(); DEFINE ISOToSecond org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToSecond(); ISOin = LOAD 'test.tsv' USING PigStorage('\t') AS (dt:chararray, dt2:chararray); DESCRIBE ISOin; ISOin: {dt: chararray,dt2: chararray} DUMP ISOin; (2009-01-07T01:07:01.000Z,2008-02-01T00:00:00.000Z) (2008-02-06T02:06:02.000Z,2008-02-01T00:00:00.000Z) (2007-03-05T03:05:03.000Z,2008-02-01T00:00:00.000Z) ...
class	ISOToHour ISOToHour truncates an ISO8601 datetime string to the precision of the hour field Jodatime: http://joda-time.sourceforge.net/ ISO8601 Date Format: http://en.wikipedia.org/wiki/ISO_8601 Example usage: REGISTER /Users/me/commiter/piggybank/java/piggybank.jar ; REGISTER /Users/me/commiter/piggybank/java/lib/joda-time-1.6.jar ; DEFINE ISOToYear org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToYear(); DEFINE ISOToMonth org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToMonth(); DEFINE ISOToWeek org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToWeek(); DEFINE ISOToDay org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToDay(); DEFINE ISOToHour org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToHour(); DEFINE ISOToMinute org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToMinute(); DEFINE ISOToSecond org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToSecond(); ISOin = LOAD 'test.tsv' USING PigStorage('\t') AS (dt:chararray, dt2:chararray); DESCRIBE ISOin; ISOin: {dt: chararray,dt2: chararray} DUMP ISOin; (2009-01-07T01:07:01.000Z,2008-02-01T00:00:00.000Z) (2008-02-06T02:06:02.000Z,2008-02-01T00:00:00.000Z) (2007-03-05T03:05:03.000Z,2008-02-01T00:00:00.000Z) ...
class	ISOToMinute ISOToMinute truncates an ISO8601 datetime string to the precision of the minute field Jodatime: http://joda-time.sourceforge.net/ ISO8601 Date Format: http://en.wikipedia.org/wiki/ISO_8601 Example usage: REGISTER /Users/me/commiter/piggybank/java/piggybank.jar ; REGISTER /Users/me/commiter/piggybank/java/lib/joda-time-1.6.jar ; DEFINE ISOToYear org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToYear(); DEFINE ISOToMonth org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToMonth(); DEFINE ISOToWeek org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToWeek(); DEFINE ISOToDay org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToDay(); DEFINE ISOToHour org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToHour(); DEFINE ISOToMinute org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToMinute(); DEFINE ISOToSecond org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToSecond(); ISOin = LOAD 'test.tsv' USING PigStorage('\t') AS (dt:chararray, dt2:chararray); DESCRIBE ISOin; ISOin: {dt: chararray,dt2: chararray} DUMP ISOin; (2009-01-07T01:07:01.000Z,2008-02-01T00:00:00.000Z) (2008-02-06T02:06:02.000Z,2008-02-01T00:00:00.000Z) (2007-03-05T03:05:03.000Z,2008-02-01T00:00:00.000Z) ...
class	ISOToMonth ISOToMonth truncates an ISO8601 datetime string to the precision of the month field Jodatime: http://joda-time.sourceforge.net/ ISO8601 Date Format: http://en.wikipedia.org/wiki/ISO_8601 Example usage: REGISTER /Users/me/commiter/piggybank/java/piggybank.jar ; REGISTER /Users/me/commiter/piggybank/java/lib/joda-time-1.6.jar ; DEFINE ISOToYear org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToYear(); DEFINE ISOToMonth org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToMonth(); DEFINE ISOToWeek org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToWeek(); DEFINE ISOToDay org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToDay(); DEFINE ISOToHour org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToHour(); DEFINE ISOToMinute org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToMinute(); DEFINE ISOToSecond org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToSecond(); ISOin = LOAD 'test.tsv' USING PigStorage('\t') AS (dt:chararray, dt2:chararray); DESCRIBE ISOin; ISOin: {dt: chararray,dt2: chararray} DUMP ISOin; (2009-01-07T01:07:01.000Z,2008-02-01T00:00:00.000Z) (2008-02-06T02:06:02.000Z,2008-02-01T00:00:00.000Z) (2007-03-05T03:05:03.000Z,2008-02-01T00:00:00.000Z) ...
class	ISOToSecond ISOToSecond truncates an ISO8601 datetime string to the precision of the second field Jodatime: http://joda-time.sourceforge.net/ ISO8601 Date Format: http://en.wikipedia.org/wiki/ISO_8601 Example usage: REGISTER /Users/me/commiter/piggybank/java/piggybank.jar ; REGISTER /Users/me/commiter/piggybank/java/lib/joda-time-1.6.jar ; DEFINE ISOToYear org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToYear(); DEFINE ISOToMonth org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToMonth(); DEFINE ISOToWeek org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToWeek(); DEFINE ISOToDay org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToDay(); DEFINE ISOToHour org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToHour(); DEFINE ISOToMinute org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToMinute(); DEFINE ISOToSecond org.apache.pig.piggybank.evaluation.datetime.truncate.ISOToSecond(); ISOin = LOAD 'test.tsv' USING PigStorage('\t') AS (dt:chararray, dt2:chararray); DESCRIBE ISOin; ISOin: {dt: chararray,dt2: chararray} DUMP ISOin; (2009-01-07T01:07:01.000Z,2008-02-01T00:00:00.000Z) (2008-02-06T02:06:02.000Z,2008-02-01T00:00:00.000Z) (2007-03-05T03:05:03.000Z,2008-02-01T00:00:00.000Z) ...
class	ISOToWeek ISOToWeek truncates an ISO8601 datetime string to the precision of the day field, for the first day of the week of the datetime.
class	ISOToYear

Uses of EvalFunc in org.apache.pig.piggybank.evaluation.decode

Subclasses of EvalFunc in org.apache.pig.piggybank.evaluation.decode

class	Bin Syntax: String Bin(arithmetic_expression, string1, ,..., stringN, sentinelN, default_string). Logic: if (arithmetic_expression<=sentinel1) return string1; ......
class	BinCond Syntax: String BinCond(boolean_expression1, mapping_string1, ..., boolean_expressionN, mapping_stringN, other_string). Logic: if (boolean_expression1) return mapping_string1; ......
class	Decode Syntax: String Decode(expression, value1, mapping_string1, ..., valueN, mapping_stringN, other_string). Logic: if (expression==value1) return mapping_string1; ......

Uses of EvalFunc in org.apache.pig.piggybank.evaluation.math

Subclasses of EvalFunc in org.apache.pig.piggybank.evaluation.math

class	ATAN2 math.ATAN2 implements a binding to the Java function Math.atan2(double,double).
class	copySign math.copySign implements a binding to the Java function Math.copySign(double,double).
class	DoubleCopySign math.copySign implements a binding to the Java function Math.copySign(double,double).
class	DoubleDoubleBase base class for math udfs that return Double value
class	DoubleGetExponent math.getExponent implements a binding to the Java function Math.getExponent(double).
class	DoubleNextAfter math.nextAfter implements a binding to the Java function Math.nextAfter(double,double).
class	DoubleNextup math.NEXTUP implements a binding to the Java function Math.nextUp(double).
class	DoubleSignum math.SIGNUM implements a binding to the Java function Math.signum(double).
class	DoubleUlp math.ULP implements a binding to the Java function Math.ulp(double).
class	EXPM1 math.EXPM1 implements a binding to the Java function Math.expm1(double).
class	FloatCopySign math.copySign implements a binding to the Java function Math.copySign(float,float).
class	FloatGetExponent math.getExponent implements a binding to the Java function Math.getExponent(double).
class	FloatNextAfter math.nextAfter implements a binding to the Java function Math.nextAfter(double,double).
class	FloatNextup math.NEXTUP implements a binding to the Java function Math.nextUp(double).
class	FloatSignum math.SIGNUM implements a binding to the Java function Math.signum(float).
class	FloatUlp math.ULP implements a binding to the Java function Math.ulp(float).
class	getExponent math.getExponent implements a binding to the Java function Math.getExponent(double).
class	HYPOT math.HYPOT implements a binding to the Java function Math.hypot(double,double).
class	IEEEremainder math.IEEEremainder implements a binding to the Java function Math.IEEEremainder(double,double).
class	LOG1P math.LOG1P implements a binding to the Java function Math.log1p(double).
class	nextAfter math.nextAfter implements a binding to the Java function Math.nextAfter(double,double).
class	NEXTUP math.NEXTUP implements a binding to the Java function Math.nextUp(double).
class	POW math.POW implements a binding to the Java function Math.pow(double,double).
class	RINT math.RINT implements a binding to the Java function Math.rint(double).
class	SCALB math.SCALB implements a binding to the Java function Math.scalb(double,int).
class	SIGNUM math.SIGNUM implements a binding to the Java function Math.signum(double).
class	toDegrees math.toDegrees implements a binding to the Java function Math.toDegrees(double).
class	toRadians math.toRadians implements a binding to the Java function Math.toRadians(double).
class	ULP math.ULP implements a binding to the Java function Math.ulp(double).

Uses of EvalFunc in org.apache.pig.piggybank.evaluation.string

Subclasses of EvalFunc in org.apache.pig.piggybank.evaluation.string

class	HashFNV Syntax: long HashFNV(String string_to_hash, [int mod]).
class	HashFNV1 Implementation for HashFNV which takes 1 parameter
class	HashFNV2 Implementation for HashFNV which takes 2 parameter
class	LASTINDEXOF Deprecated. Use LAST_INDEX_OF
class	LcFirst Deprecated. Use LCFIRST
class	LENGTH string.LENGTH implements eval function to find length of a string Example: register piggybank.jar; A = load 'mydata' as (name); B = foreach A generate string.LENGTH(name); dump B;
class	LookupInFiles Syntax: int lookupInFiles(String expression,...
class	RegexExtract Deprecated. Use REGEX_EXTRACT
class	RegexExtractAll Deprecated. Use REGEX_EXTRACT_ALL
class	RegexMatch Syntax: int RegexMatch(String expression, String regex). Output: return 1 if expression contains regex, 0 otherwise.
class	Reverse
class	Split Deprecated. Use STRSPLIT
class	Trim Deprecated. Use TRIM
class	UcFirst Deprecated. Use UCFIRST

Uses of EvalFunc in org.apache.pig.piggybank.evaluation.util

Subclasses of EvalFunc in org.apache.pig.piggybank.evaluation.util

class	SearchQuery This small UDF takes a search engine URL (Google/Yahoo/AOL/Live) containing the search query and extracts it.
class	ToBag Deprecated. Use TOBAG
class	Top Deprecated. Use TOP
static class	Top.Final Deprecated.
static class	Top.Initial Deprecated.
static class	Top.Intermed Deprecated.
class	ToTuple Deprecated. Use TOTUPLE

Uses of EvalFunc in org.apache.pig.piggybank.evaluation.util.apachelogparser

Subclasses of EvalFunc in org.apache.pig.piggybank.evaluation.util.apachelogparser

class	DateExtractor DateExtractor has four different constructors which each allow for different functionality.
class	HostExtractor HostExtractor takes a url and returns the host.
class	SearchEngineExtractor SearchEngineExtractor takes a url string and extracts the search engine.
class	SearchTermExtractor SearchTermExtractor takes a url string and extracts the search terms.

Uses of EvalFunc in org.apache.pig.scripting.js

Subclasses of EvalFunc in org.apache.pig.scripting.js

class

JsFunction

Uses of EvalFunc in org.apache.pig.scripting.jython

Subclasses of EvalFunc in org.apache.pig.scripting.jython

class

JythonFunction Python implementation of a Pig UDF Performs mappings between Python & Pig data structures