Uses of Class
org.apache.hadoop.hive.ql.exec.Description

Packages that use Description

org.apache.hadoop.hive.ql.exec.vector.expressions.aggregates
org.apache.hadoop.hive.ql.exec.vector.expressions.aggregates.gen
org.apache.hadoop.hive.ql.udf
org.apache.hadoop.hive.ql.udf.generic	Standard toolkit and framework for generic User-defined functions.
org.apache.hadoop.hive.ql.udf.xml

Uses of Description in org.apache.hadoop.hive.ql.exec.vector.expressions.aggregates

Classes in org.apache.hadoop.hive.ql.exec.vector.expressions.aggregates with annotations of type Description

class	VectorUDAFAvgDecimal Generated from template VectorUDAFAvg.txt.
class	VectorUDAFCount VectorUDAFCountLong.
class	VectorUDAFCountStar VectorUDAFCountStar.
class	VectorUDAFSumDecimal VectorUDAFSumDecimal.

Uses of Description in org.apache.hadoop.hive.ql.exec.vector.expressions.aggregates.gen

Classes in org.apache.hadoop.hive.ql.exec.vector.expressions.aggregates.gen with annotations of type Description

class	VectorUDAFAvgDouble Generated from template VectorUDAFAvg.txt.
class	VectorUDAFAvgLong Generated from template VectorUDAFAvg.txt.
class	VectorUDAFMaxDecimal VectorUDAFMaxDecimal.
class	VectorUDAFMaxDouble VectorUDAFMaxDouble.
class	VectorUDAFMaxLong VectorUDAFMaxLong.
class	VectorUDAFMaxString VectorUDAFMaxString.
class	VectorUDAFMinDecimal VectorUDAFMinDecimal.
class	VectorUDAFMinDouble VectorUDAFMinDouble.
class	VectorUDAFMinLong VectorUDAFMinLong.
class	VectorUDAFMinString VectorUDAFMinString.
class	VectorUDAFStdPopDecimal VectorUDAFStdPopDecimal.
class	VectorUDAFStdPopDouble VectorUDAFStdPopDouble.
class	VectorUDAFStdPopLong VectorUDAFStdPopLong.
class	VectorUDAFStdSampDecimal VectorUDAFStdSampDecimal.
class	VectorUDAFStdSampDouble VectorUDAFStdSampDouble.
class	VectorUDAFStdSampLong VectorUDAFStdSampLong.
class	VectorUDAFSumDouble VectorUDAFSumDouble.
class	VectorUDAFSumLong VectorUDAFSumLong.
class	VectorUDAFVarPopDecimal VectorUDAFVarPopDecimal.
class	VectorUDAFVarPopDouble VectorUDAFVarPopDouble.
class	VectorUDAFVarPopLong VectorUDAFVarPopLong.
class	VectorUDAFVarSampDecimal VectorUDAFVarSampDecimal.
class	VectorUDAFVarSampDouble VectorUDAFVarSampDouble.
class	VectorUDAFVarSampLong VectorUDAFVarSampLong.

Uses of Description in org.apache.hadoop.hive.ql.udf

Classes in org.apache.hadoop.hive.ql.udf with annotations of type Description

class	UDAFPercentile UDAF for calculating the percentile values.
class	UDFAcos UDFAcos.
class	UDFAscii UDFAscii.
class	UDFAsin UDFAsin.
class	UDFAtan
class	UDFBase64
class	UDFBin UDFBin.
class	UDFConv UDFConv.
class	UDFCos UDFCos.
class	UDFDayOfMonth UDFDayOfMonth.
class	UDFDegrees
class	UDFE
class	UDFExp UDFExp.
class	UDFFindInSet UDFFindInSet.
class	UDFFromUnixTime UDFFromUnixTime.
class	UDFHex UDFHex.
class	UDFHour UDFHour.
class	UDFJson UDFJson.
class	UDFLength UDFLength.
class	UDFLike UDFLike.
class	UDFLn UDFLn.
class	UDFLog UDFLog.
class	UDFLog10 UDFLog10.
class	UDFLog2 UDFLog2.
class	UDFMinute UDFMinute.
class	UDFMonth UDFMonth.
class	UDFOPBitAnd UDFOPBitAnd.
class	UDFOPBitNot UDFOPBitNot.
class	UDFOPBitOr UDFOPBitOr.
class	UDFOPBitXor UDFOPBitXor.
class	UDFOPLongDivide UDFOPLongDivide.
class	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.
class	UDFPI
class	UDFRadians
class	UDFRand UDFRand.
class	UDFRegExp UDFRegExp.
class	UDFRegExpExtract UDF to extract a specific group identified by a java regex.
class	UDFRegExpReplace UDFRegExpReplace.
class	UDFRepeat UDFRepeat.
class	UDFReverse UDFReverse.
class	UDFSecond UDFSecond.
class	UDFSign
class	UDFSin UDFSin.
class	UDFSpace UDFSpace.
class	UDFSqrt Implementation of the SQRT UDF found in many databases.
class	UDFSubstr UDFSubstr.
class	UDFTan
class	UDFUnbase64
class	UDFUnhex UDFUnhex.
class	UDFWeekOfYear UDFWeekOfYear.
class	UDFYear UDFYear.

Uses of Description in org.apache.hadoop.hive.ql.udf.generic

Classes in org.apache.hadoop.hive.ql.udf.generic with annotations of type Description

class	GenericUDAFAverage GenericUDAFAverage.
class	GenericUDAFCollectList
class	GenericUDAFCollectSet GenericUDAFCollectSet
class	GenericUDAFComputeStats GenericUDAFComputeStats
class	GenericUDAFContextNGrams Estimates the top-k contextual n-grams in arbitrary sequential data using a heuristic.
class	GenericUDAFCorrelation Compute the Pearson correlation coefficient corr(x, y), using the following stable one-pass method, based on: "Formulas for Robust, One-Pass Parallel Computation of Covariances and Arbitrary-Order Statistical Moments", Philippe Pebay, Sandia Labs and "The Art of Computer Programming, volume 2: Seminumerical Algorithms", Donald Knuth.
class	GenericUDAFCount This class implements the COUNT aggregation function as in SQL.
class	GenericUDAFCovariance Compute the covariance covar_pop(x, y), using the following one-pass method (ref.
class	GenericUDAFCovarianceSample Compute the sample covariance by extending GenericUDAFCovariance and overriding the terminate() method of the evaluator.
class	GenericUDAFEWAHBitmap GenericUDAFEWAHBitmap.
class	GenericUDAFHistogramNumeric Computes an approximate histogram of a numerical column using a user-specified number of bins.
class	GenericUDAFMax
class	GenericUDAFMin
class	GenericUDAFnGrams Estimates the top-k n-grams in arbitrary sequential data using a heuristic.
class	GenericUDAFPercentileApprox Computes an approximate percentile (quantile) from an approximate histogram, for very large numbers of rows where the regular percentile() UDAF might run out of memory.
class	GenericUDAFStd Compute the standard deviation by extending GenericUDAFVariance and overriding the terminate() method of the evaluator.
class	GenericUDAFStdSample Compute the sample standard deviation by extending GenericUDAFVariance and overriding the terminate() method of the evaluator.
class	GenericUDAFSum GenericUDAFSum.
class	GenericUDAFVariance Compute the variance.
class	GenericUDAFVarianceSample Compute the sample variance by extending GenericUDAFVariance and overriding the terminate() method of the evaluator.
class	GenericUDFAbs GenericUDFAbs.
class	GenericUDFArray GenericUDFArray.
class	GenericUDFArrayContains GenericUDFArrayContains.
class	GenericUDFAssertTrue GenericUDFAssertTrue
class	GenericUDFBaseCompare GenericUDF Base Class for operations.
class	GenericUDFBaseNumeric GenericUDF Base Class for operations.
class	GenericUDFBetween
class	GenericUDFCeil
class	GenericUDFCoalesce GenericUDF Class for SQL construct "COALESCE(a, b, c)".
class	GenericUDFConcat GenericUDFConcat.
class	GenericUDFConcatWS Generic UDF for string function CONCAT_WS(sep, [string | array(string)]+).
class	GenericUDFDate UDFDate.
class	GenericUDFDateAdd UDFDateAdd.
class	GenericUDFDateDiff UDFDateDiff.
class	GenericUDFDateSub UDFDateSub.
class	GenericUDFDecode
class	GenericUDFElt Generic UDF for string function ELT(N,str1,str2,str3,...).
class	GenericUDFEncode
class	GenericUDFEWAHBitmapAnd GenericEWAHUDFBitmapAnd.
class	GenericUDFEWAHBitmapEmpty
class	GenericUDFEWAHBitmapOr GenericUDFEWAHBitmapOr.
class	GenericUDFField GenericUDFField.
class	GenericUDFFloor
class	GenericUDFFormatNumber Generic UDF for format_number function FORMAT_NUMBER(X, D).
class	GenericUDFHash GenericUDF Class for computing hash values.
class	GenericUDFIn GenericUDFIn Example usage: SELECT key FROM src WHERE key IN ("238", "1"); From MySQL page on IN(): To comply with the SQL standard, IN returns NULL not only if the expression on the left hand side is NULL, but also if no match is found in the list and one of the expressions in the list is NULL.
class	GenericUDFIndex GenericUDFIndex.
class	GenericUDFInFile IN_FILE(str, filename) returns true if 'str' appears in the file specified by 'filename'.
class	GenericUDFInstr Generic UDF for string function INSTR(str,substr).
class	GenericUDFLocate Generic UDF for string function LOCATE(substr, str), LOCATE(substr, str, start).
class	GenericUDFLower UDFLower.
class	GenericUDFLpad UDFLpad.
class	GenericUDFLTrim UDFLTrim.
class	GenericUDFMap GenericUDFMap.
class	GenericUDFMapKeys GenericUDFMapKeys.
class	GenericUDFMapValues GenericUDFMapValues.
class	GenericUDFNamedStruct
class	GenericUDFNvl
class	GenericUDFOPAnd GenericUDF Class for computing and.
class	GenericUDFOPDivide Note that in SQL, the return type of divide is not necessarily the same as the parameters.
class	GenericUDFOPEqual GenericUDF Class for operation EQUAL.
class	GenericUDFOPEqualNS
class	GenericUDFOPEqualOrGreaterThan GenericUDF Class for operation EqualOrGreaterThan.
class	GenericUDFOPEqualOrLessThan GenericUDF Class for operation EqualOrLessThan.
class	GenericUDFOPGreaterThan GenericUDF Class for operation GreaterThan.
class	GenericUDFOPLessThan GenericUDF Class for operation LessThan.
class	GenericUDFOPMinus
class	GenericUDFOPMod
class	GenericUDFOPMultiply
class	GenericUDFOPNegative
class	GenericUDFOPNot GenericUDFOPNot.
class	GenericUDFOPNotEqual GenericUDF Class for operation Not EQUAL.
class	GenericUDFOPNotNull GenericUDFOPNotNull.
class	GenericUDFOPNull GenericUDFOPNull.
class	GenericUDFOPOr GenericUDF Class for computing or.
class	GenericUDFOPPlus The reason that we list evaluate methods with all numeric types is for both better performance and type checking (so we know int + int is still an int instead of a double); otherwise a single method that takes (Number a, Number b) and use a.doubleValue() == b.doubleValue() is enough.
class	GenericUDFOPPositive
class	GenericUDFPosMod class for computing positive modulo.
class	GenericUDFPower
class	GenericUDFPrintf Generic UDF for printf function printf(String format, Obj...
class	GenericUDFReflect A simple generic udf to call java static functions via reflection.
class	GenericUDFReflect2 A simple generic udf to call java functions via reflection.
class	GenericUDFRound Note: rounding function permits rounding off integer digits in decimal numbers, which essentially downgrades the scale to negative territory.
class	GenericUDFRpad UDFRpad.
class	GenericUDFRTrim UDFRTrim.
class	GenericUDFSentences GenericUDFSentences: splits a natural language chunk of text into sentences and words.
class	GenericUDFSize GenericUDFSize.
class	GenericUDFSortArray Generic UDF for array sort SORT_ARRAY(array(obj1, obj2, obj3...)).
class	GenericUDFSplit GenericUDFSplit.
class	GenericUDFStringToMap GenericUDFStringToMap.
class	GenericUDFStruct
class	GenericUDFToBinary
class	GenericUDFToChar
class	GenericUDFToDate GenericUDFToDate
class	GenericUDFToDecimal
class	GenericUDFToUnixTimeStamp deterministic version of UDFUnixTimeStamp.
class	GenericUDFToVarchar
class	GenericUDFTranslate TRANSLATE(string input, string from, string to) is an equivalent function to translate in PostGresSQL.
class	GenericUDFTrim UDFTrim.
class	GenericUDFUnion
class	GenericUDFUnixTimeStamp
class	GenericUDFUpper UDFUpper.
class	GenericUDTFExplode GenericUDTFExplode.
class	GenericUDTFInline
class	GenericUDTFJSONTuple GenericUDTFJSONTuple: this
class	GenericUDTFParseUrlTuple GenericUDTFParseUrlTuple: this
class	GenericUDTFPosExplode PosExplode.
class	GenericUDTFStack Takes a row of size k of data and splits it into n rows of data.
class	UDFCurrentDB

Uses of Description in org.apache.hadoop.hive.ql.udf.xml

Classes in org.apache.hadoop.hive.ql.udf.xml with annotations of type Description

class	GenericUDFXPath
class	UDFXPathBoolean
class	UDFXPathDouble
class	UDFXPathFloat
class	UDFXPathInteger
class	UDFXPathLong
class	UDFXPathShort
class	UDFXPathString