Package org.apache.hadoop.hive.ql.udf

Interface Summary

Interface	Description
SettableUDF	THIS INTERFACE IS UNSTABLE AND SHOULD NOT BE USED BY 3RD PARTY UDFS.

Class Summary

Class	Description
UDAFPercentile	UDAF for calculating the percentile values.
UDAFPercentile.MyComparator	A comparator to sort the entries in order.
UDAFPercentile.PercentileLongArrayEvaluator	The evaluator for percentile computation based on long for an array of percentiles.
UDAFPercentile.PercentileLongEvaluator	The evaluator for percentile computation based on long.
UDAFPercentile.State	A state class to store intermediate aggregation results.
UDAFWrongArgLengthForTestCase	UDAFWrongArgLengthForTestCase.
UDAFWrongArgLengthForTestCase.UDAFWrongArgLengthForTestCaseEvaluator	UDAFWrongArgLengthForTestCaseEvaluator.
UDFAcos	UDFAcos.
UDFAscii	UDFAscii.
UDFAsin	UDFAsin.
UDFAtan
UDFBase64
UDFBaseBitOP	Base class for numeric operators like +, -, / etc.
UDFBin	UDFBin.
UDFConv	UDFConv.
UDFCos	UDFCos.
UDFDayOfMonth	UDFDayOfMonth.
UDFDegrees
UDFE
UDFExp	UDFExp.
UDFFindInSet	UDFFindInSet.
UDFFromUnixTime	UDFFromUnixTime.
UDFHex	UDFHex.
UDFHour	UDFHour.
UDFJson	UDFJson.
UDFLength	UDFLength.
UDFLike	UDFLike.
UDFLn	UDFLn.
UDFLog	UDFLog.
UDFLog10	UDFLog10.
UDFLog2	UDFLog2.
UDFMath	This class can be used for math based UDFs that only have an evaluate method for doubles.
UDFMinute	UDFMinute.
UDFMonth	UDFMonth.
UDFOPBitAnd	UDFOPBitAnd.
UDFOPBitNot	UDFOPBitNot.
UDFOPBitOr	UDFOPBitOr.
UDFOPBitShiftLeft	UDFOPBitLeftShift.
UDFOPBitShiftRight	UDFOPBitRightShift.
UDFOPBitShiftRightUnsigned	UDFOPBitUnsignedRightShift.
UDFOPBitXor	UDFOPBitXor.
UDFOPLongDivide	UDFOPLongDivide.
UDFParseUrl	UDF to extract specfic parts from URL For example, parse_url('http://facebook.com/path/p1.php?query=1', 'HOST') will return 'facebook.com' For example, parse_url('http://facebook.com/path/p1.php?query=1', 'PATH') will return '/path/p1.php' parse_url('http://facebook.com/path/p1.php?query=1', 'QUERY') will return 'query=1' parse_url('http://facebook.com/path/p1.php?query=1#Ref', 'REF') will return 'Ref' parse_url('http://facebook.com/path/p1.php?query=1#Ref', 'PROTOCOL') will return 'http' Possible values are HOST,PATH,QUERY,REF,PROTOCOL,AUTHORITY,FILE,USERINFO Also you can get a value of particular key in QUERY, using syntax QUERY: eg: QUERY:k1.
UDFPI
UDFRadians
UDFRand	UDFRand.
UDFRegExp	UDFRegExp.
UDFRegExpExtract	UDF to extract a specific group identified by a java regex.
UDFRegExpReplace	UDFRegExpReplace.
UDFRepeat	UDFRepeat.
UDFReverse	UDFReverse.
UDFSecond	UDFSecond.
UDFSign
UDFSin	UDFSin.
UDFSpace	UDFSpace.
UDFSqrt	Implementation of the SQRT UDF found in many databases.
UDFSubstr	UDFSubstr.
UDFTan
UDFToBoolean	UDFToBoolean.
UDFToByte	UDFToByte.
UDFToDouble	UDFToDouble.
UDFToFloat	UDFToFloat.
UDFToInteger	UDFToInteger.
UDFToLong	UDFToLong.
UDFToShort	UDFToShort.
UDFToString	UDFToString.
UDFUnbase64
UDFUnhex	UDFUnhex.
UDFWeekOfYear	UDFWeekOfYear.
UDFYear	UDFYear.

Annotation Types Summary

Annotation Type	Description
UDFType	UDFType annotations are used to describe properties of a UDF.