Uses of Class
org.apache.hadoop.hive.ql.udf.generic.GenericUDF

Packages that use GenericUDF

Package	Description
org.apache.hadoop.hive.ql.exec	Hive QL execution tasks, operators, functions and other handlers.
org.apache.hadoop.hive.ql.exec.vector
org.apache.hadoop.hive.ql.optimizer.calcite.translator
org.apache.hadoop.hive.ql.plan
org.apache.hadoop.hive.ql.udf
org.apache.hadoop.hive.ql.udf.esri
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 GenericUDF in org.apache.hadoop.hive.ql.exec

Fields in org.apache.hadoop.hive.ql.exec declared as GenericUDF

Modifier and Type	Field and Description
protected GenericUDF	FunctionInfo.genericUDF

Methods in org.apache.hadoop.hive.ql.exec that return GenericUDF

Modifier and Type	Method and Description
static GenericUDF	FunctionRegistry.cloneGenericUDF(GenericUDF genericUDF) Create a copy of an existing GenericUDF.
GenericUDF	FunctionInfo.getGenericUDF() Get a new GenericUDF object for the function.
GenericUDF	HiveFunctionInfo.getGenericUDF()
static GenericUDF	FunctionRegistry.getGenericUDFForAnd() A shortcut to get the "and" GenericUDF.
static GenericUDF	FunctionRegistry.getGenericUDFForIndex() A shortcut to get the "index" GenericUDF.

Methods in org.apache.hadoop.hive.ql.exec with parameters of type GenericUDF

Modifier and Type	Method and Description
static GenericUDF	FunctionRegistry.cloneGenericUDF(GenericUDF genericUDF) Create a copy of an existing GenericUDF.
static boolean	FunctionRegistry.isConsistentWithinQuery(GenericUDF genericUDF) Returns whether the expression, for a single query, returns the same result given the same arguments/children.
static boolean	FunctionRegistry.isDeterministic(GenericUDF genericUDF) Returns whether a GenericUDF is deterministic or not.
static boolean	FunctionRegistry.isEq(GenericUDF fn) Returns whether the fn is an exact equality comparison.
static boolean	FunctionRegistry.isNeq(GenericUDF fn) Returns whether the fn is an exact non-equality comparison.
static boolean	FunctionRegistry.isOpCast(GenericUDF genericUDF)
static boolean	FunctionRegistry.isRuntimeConstant(GenericUDF genericUDF) Returns whether a GenericUDF is a runtime constant or not.
static boolean	FunctionRegistry.isStateful(GenericUDF genericUDF) Returns whether a GenericUDF is stateful or not.
void	MapredContext.setup(GenericUDF genericUDF)

Method parameters in org.apache.hadoop.hive.ql.exec with type arguments of type GenericUDF

Modifier and Type	Method and Description
FunctionInfo	Registry.registerGenericUDF(String functionName, Class<? extends GenericUDF> genericUDFClass, FunctionInfo.FunctionResource... resources)
void	Registry.registerHiddenBuiltIn(Class<? extends GenericUDF> functionClass) Registers the UDF class as a built-in function; used for dynamically created UDFs, like GenericUDFOP*Minus/Plus.

Constructors in org.apache.hadoop.hive.ql.exec with parameters of type GenericUDF

Constructor and Description
FunctionInfo(FunctionInfo.FunctionType functionType, String displayName, Class<? extends TableFunctionResolver> tFnCls, GenericUDF genericUDF, GenericUDTF genericUDTF, GenericUDAFResolver genericUDAFResolver, String className, FunctionInfo.FunctionResource... resources)
FunctionInfo(FunctionInfo.FunctionType functionType, String displayName, GenericUDF genericUDF, FunctionInfo.FunctionResource... resources)

Uses of GenericUDF in org.apache.hadoop.hive.ql.exec.vector

Methods in org.apache.hadoop.hive.ql.exec.vector that return GenericUDF

Modifier and Type	Method and Description
static GenericUDF	VectorizationContext.getGenericUDFForCast(TypeInfo castType)

Methods in org.apache.hadoop.hive.ql.exec.vector with parameters of type GenericUDF

Modifier and Type	Method and Description
protected boolean	VectorizationContext.needsImplicitCastForDecimal(GenericUDF udf)

Uses of GenericUDF in org.apache.hadoop.hive.ql.optimizer.calcite.translator

Methods in org.apache.hadoop.hive.ql.optimizer.calcite.translator that return GenericUDF

Modifier and Type	Method and Description
static GenericUDF	SqlFunctionConverter.getHiveUDF(org.apache.calcite.sql.SqlOperator op, org.apache.calcite.rel.type.RelDataType dt, int argsLength)

Methods in org.apache.hadoop.hive.ql.optimizer.calcite.translator with parameters of type GenericUDF

Modifier and Type	Method and Description
static org.apache.calcite.sql.SqlOperator	SqlFunctionConverter.getCalciteOperator(String funcTextName, GenericUDF hiveUDF, com.google.common.collect.ImmutableList<org.apache.calcite.rel.type.RelDataType> calciteArgTypes, org.apache.calcite.rel.type.RelDataType retType)
static org.apache.calcite.rex.RexNode	RexNodeConverter.handleExplicitCast(GenericUDF udf, org.apache.calcite.rel.type.RelDataType returnType, List<org.apache.calcite.rex.RexNode> childRexNodeLst, org.apache.calcite.rex.RexBuilder rexBuilder)

Uses of GenericUDF in org.apache.hadoop.hive.ql.plan

Methods in org.apache.hadoop.hive.ql.plan that return GenericUDF

Modifier and Type	Method and Description
GenericUDF	ExprNodeGenericFuncDesc.getGenericUDF()

Methods in org.apache.hadoop.hive.ql.plan with parameters of type GenericUDF

Modifier and Type	Method and Description
static ExprNodeGenericFuncDesc	ExprNodeGenericFuncDesc.newInstance(GenericUDF genericUDF, List<ExprNodeDesc> children)
static ExprNodeGenericFuncDesc	ExprNodeGenericFuncDesc.newInstance(GenericUDF genericUDF, String funcText, List<ExprNodeDesc> children) Create a ExprNodeGenericFuncDesc based on the genericUDFClass and the children parameters.
void	ExprNodeGenericFuncDesc.setGenericUDF(GenericUDF genericUDF)

Constructors in org.apache.hadoop.hive.ql.plan with parameters of type GenericUDF

Constructor and Description
ExprNodeGenericFuncDesc(ObjectInspector oi, GenericUDF genericUDF, List<ExprNodeDesc> children)
ExprNodeGenericFuncDesc(ObjectInspector oi, GenericUDF genericUDF, String funcText, List<ExprNodeDesc> children)
ExprNodeGenericFuncDesc(TypeInfo typeInfo, GenericUDF genericUDF, List<ExprNodeDesc> children)
ExprNodeGenericFuncDesc(TypeInfo typeInfo, GenericUDF genericUDF, String funcText, List<ExprNodeDesc> children)

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

Subclasses of GenericUDF in org.apache.hadoop.hive.ql.udf

Modifier and Type	Class and Description
class	UDFDayOfMonth UDFDayOfMonth.
class	UDFHour UDFHour.
class	UDFMinute UDFMinute.
class	UDFMonth UDFMonth.
class	UDFSecond UDFSecond.
class	UDFYear UDFYear.

Uses of GenericUDF in org.apache.hadoop.hive.ql.udf.esri

Subclasses of GenericUDF in org.apache.hadoop.hive.ql.udf.esri

Modifier and Type	Class and Description
class	ST_Bin
class	ST_BinEnvelope
class	ST_Contains
class	ST_Crosses
class	ST_Disjoint
class	ST_Equals
class	ST_GeometryRelational Abstract class that all simple relational tests (contains, touches, ...) extend from
class	ST_GeomFromGeoJson
class	ST_GeomFromJson
class	ST_Intersects
class	ST_Overlaps
class	ST_Touches
class	ST_Within

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

Subclasses of GenericUDF in org.apache.hadoop.hive.ql.udf.generic

Modifier and Type	Class and Description
class	AbstractGenericUDFArrayBase Abstract GenericUDF for array functions
class	AbstractGenericUDFReflect common class for reflective UDFs
class	BaseMaskUDF
class	GenericUDFAbs GenericUDFAbs.
class	GenericUDFAddMonths GenericUDFAddMonths.
class	GenericUDFAesBase GenericUDFAesBase.
class	GenericUDFAesDecrypt GenericUDFAesDecrypt.
class	GenericUDFAesEncrypt GenericUDFAesEncrypt.
class	GenericUDFArray GenericUDFArray.
class	GenericUDFArrayContains GenericUDFArrayContains.
class	GenericUDFArrayDistinct Generic UDF for distinct array ARRAY_DISTINCT(array(obj1, obj2, obj3...)).
class	GenericUDFArrayExcept GenericUDFArrayExcept
class	GenericUDFArrayIntersect GenericUDFArrayIntersect.
class	GenericUDFArrayJoin GenericUDFArrayjoin.
class	GenericUDFArrayMax Generic UDF to find out max from array elements ARRAY_MAX(array(obj1, obj2, obj3...)).
class	GenericUDFArrayMin Generic UDF to find out min from array elements ARRAY_MIN(array(obj1, obj2, obj3...)).
class	GenericUDFArrayRemove GenericUDFArrayRemove.
class	GenericUDFArraySlice GenericUDFArraySlice.
class	GenericUDFArrayUnion GenericUDFArrayUnion
class	GenericUDFAssertTrue GenericUDFAssertTrue
class	GenericUDFAssertTrueOOM
class	GenericUDFBaseArithmetic Wrapper UDF that will instantiate the proper arithmetic UDF (numeric, date, etc) depending on the argument types
class	GenericUDFBaseBinary Base class for binary operators, overrides getDisplayString()
class	GenericUDFBaseCompare GenericUDF Base Class for operations.
class	GenericUDFBaseDTI
class	GenericUDFBaseNumeric GenericUDF Base Class for operations.
class	GenericUDFBaseNwayCompare Base class for comparison UDF's (Greatest and Least).
class	GenericUDFBasePad
class	GenericUDFBaseTrim
class	GenericUDFBaseUnary
class	GenericUDFBetween
class	GenericUDFBridge GenericUDFBridge encapsulates UDF to provide the same interface as GenericUDF.
class	GenericUDFBRound
class	GenericUDFBucketNumber
class	GenericUDFCardinalityViolation Function intended to fail.
class	GenericUDFCase GenericUDF Class for SQL construct "CASE a WHEN b THEN c [ELSE f] END".
class	GenericUDFCastFormat CAST(<value> AS <type> FORMAT <STRING>).
class	GenericUDFCbrt GenericUDFCbrt.
class	GenericUDFCeil
class	GenericUDFCharacterLength
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	GenericUDFCurrentAuthorizer UDF to determine the current authorizer (class name of the authorizer) This is intended for internal usage only.
class	GenericUDFCurrentCatalog
class	GenericUDFCurrentDatabase
class	GenericUDFCurrentDate
class	GenericUDFCurrentGroups UDF to get current group from authenticator.
class	GenericUDFCurrentSchema
class	GenericUDFCurrentTimestamp
class	GenericUDFCurrentUser
class	GenericUDFDate UDFDate.
class	GenericUDFDateAdd UDFDateAdd.
class	GenericUDFDateDiff UDFDateDiff.
class	GenericUDFDateFormat GenericUDFDateFormat.
class	GenericUDFDateSub UDFDateSub.
class	GenericUDFDatetimeLegacyHybridCalendar GenericUDFDatetimeLegacyHybridCalendar.
class	GenericUDFDecode
class	GenericUDFDeserialize GenericUDFDeserializeString.
class	GenericUDFElt Generic UDF for string function ELT(N,str1,str2,str3,...).
class	GenericUDFEncode
class	GenericUDFEnforceConstraint GenericUDFAbs.
class	GenericUDFEpochMilli GenericUDFEpochMilli.
class	GenericUDFExceptionInVertex This class implements the UDF which can throw an exception in arbitrary vertex (typically mapper) / task / task attempt.
class	GenericUDFExtractUnion
class	GenericUDFFactorial GenericUDFFactorial
class	GenericUDFField GenericUDFField.
class	GenericUDFFloor
class	GenericUDFFloorCeilBase
class	GenericUDFFormatNumber Generic UDF for format_number function FORMAT_NUMBER(X, D or F).
class	GenericUDFFromUnixTime GenericUDFFromUnixTime.
class	GenericUDFFromUtcTimestamp
class	GenericUDFGreatest GenericUDF Class for SQL construct "greatest(v1, v2, ..
class	GenericUDFGrouping UDF grouping
class	GenericUDFHash Deprecated.
class	GenericUDFIf IF(expr1,expr2,expr3) If expr1 is TRUE (expr1 <> 0 and expr1 <> NULL) then IF() returns expr2; otherwise it returns expr3.
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	GenericUDFInBloomFilter GenericUDF to lookup a value in BloomFilter
class	GenericUDFIndex GenericUDFIndex.
class	GenericUDFInFile IN_FILE(str, filename) returns true if 'str' appears in the file specified by 'filename'.
class	GenericUDFInitCap UDFInitCap.
class	GenericUDFInstr Generic UDF for string function INSTR(str,substr[,pos[,occurrence]]).
class	GenericUDFInternalInterval GenericUDF Class for support of "INTERVAL (expression) (DAY|YEAR|...)".
class	GenericUDFJsonRead Parses a json string representation into a Hive struct.
class	GenericUDFLag
class	GenericUDFLastDay GenericUDFLastDay.
class	GenericUDFLead
class	GenericUDFLeadLag
class	GenericUDFLeast GenericUDF Class for SQL construct "least(v1, v2, ..
class	GenericUDFLength GenericUDFLength.
class	GenericUDFLevenshtein GenericUDFLevenshtein.
class	GenericUDFLikeAll GenericUDFLikeAll is return true if a text(column value) matches to all patterns Example usage: SELECT key FROM src WHERE key like all ('%ab%', 'a%','b%','abc'); LIKE ALL returns true if test matches all patterns patternN.
class	GenericUDFLikeAny GenericUDFLikeAll is return true if a text(column value) matches to any patterns Example usage: SELECT key FROM src WHERE key like any ('%ab%', 'a%','b%','abc'); like ANY returns true if test matches any patterns patternN.
class	GenericUDFLocate Generic UDF for string function LOCATE(substr, str), LOCATE(substr, str, start).
class	GenericUDFLoggedInUser
class	GenericUDFLower UDFLower.
class	GenericUDFLpad UDFLpad.
class	GenericUDFLTrim UDFLTrim.
class	GenericUDFMacro GenericUDFMacro wraps a user-defined macro expression into a GenericUDF interface.
class	GenericUDFMap GenericUDFMap.
class	GenericUDFMapKeys GenericUDFMapKeys.
class	GenericUDFMapValues GenericUDFMapValues.
class	GenericUDFMask
class	GenericUDFMaskFirstN
class	GenericUDFMaskHash
class	GenericUDFMaskLastN
class	GenericUDFMaskShowFirstN
class	GenericUDFMaskShowLastN
class	GenericUDFMonthsBetween UDFMonthsBetween.
class	GenericUDFMurmurHash GenericUDF Class for computing murmurhash values.
class	GenericUDFNamedStruct
class	GenericUDFNDVComputeBitVector GenericUDFNDVComputeBitVector.
class	GenericUDFNextDay GenericUDFNextDay.
class	GenericUDFNullif GenericUDF Class for SQL construct "nullif(a,b)".
class	GenericUDFOctetLength
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	GenericUDFOPDTIMinus
class	GenericUDFOPDTIPlus
class	GenericUDFOPEqual GenericUDF Class for operation EQUAL.
class	GenericUDFOPEqualNS GenericUDF Class for operation EQUALNS.
class	GenericUDFOPEqualOrGreaterThan GenericUDF Class for operation EqualOrGreaterThan.
class	GenericUDFOPEqualOrLessThan GenericUDF Class for operation EqualOrLessThan.
class	GenericUDFOPFalse
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	GenericUDFOPNotEqualNS
class	GenericUDFOPNotFalse
class	GenericUDFOPNotNull GenericUDFOPNotNull.
class	GenericUDFOPNotTrue
class	GenericUDFOPNull GenericUDFOPNull.
class	GenericUDFOPNumericMinus
class	GenericUDFOPNumericPlus 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	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	GenericUDFOPScaleUpDecimal64
class	GenericUDFOPTrue
class	GenericUDFPosMod class for computing positive modulo.
class	GenericUDFPower
class	GenericUDFPrintf Generic UDF for printf function printf(String format, Obj...
class	GenericUDFQuarter GenericUDFQuarter.
class	GenericUDFQuote Source for GenericUDFQuote.
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	GenericUDFRegExp UDF to extract a specific group identified by a java regex.
class	GenericUDFRestrictInformationSchema UDF to determine whether to enforce restriction of information schema.
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	GenericUDFSha2 GenericUDFSha2.
class	GenericUDFSize GenericUDFSize.
class	GenericUDFSortArray Generic UDF for array sort SORT_ARRAY(array(obj1, obj2, obj3...)).
class	GenericUDFSortArrayByField Generic UDF for tuple array sort by desired field[s] with [ordering(ASC or DESC)] SORT_ARRAY_BY(array(obj1, obj2, obj3...),'f1','f2',..,['ASC','DESC']).
class	GenericUDFSoundex GenericUDFSoundex.
class	GenericUDFSplit GenericUDFSplit.
class	GenericUDFSQCountCheck GenericUDFSQCountCheck.
class	GenericUDFStringToMap GenericUDFStringToMap.
class	GenericUDFStringToPrivilege GenericUDFStringToPrivs.
class	GenericUDFStruct
class	GenericUDFStructField The class shouldn't be used, and only to align the implementation of vectorization UDF for struct field.
class	GenericUDFSubstringIndex GenericUDFSubstringIndex.
class	GenericUDFSurrogateKey This function is not a deterministic function, and not a runtime constant.
class	GenericUDFTimestamp GenericUDFTimestamp Example usage: ...
class	GenericUDFToArray
class	GenericUDFToBinary
class	GenericUDFToChar
class	GenericUDFToDate GenericUDFToDate
class	GenericUDFToDecimal
class	GenericUDFToIntervalDayTime GenericUDFIntervalDayTime Example usage: ...
class	GenericUDFToIntervalYearMonth GenericUDFIntervalYearMonth Example usage: ...
class	GenericUDFToMap GenericUDFMap.
class	GenericUDFToString
class	GenericUDFToStruct
class	GenericUDFToTimestampLocalTZ Convert from string to TIMESTAMP WITH LOCAL TIME ZONE.
class	GenericUDFToUnixTimeStamp deterministic version of UDFUnixTimeStamp.
class	GenericUDFToUtcTimestamp
class	GenericUDFToVarchar
class	GenericUDFTranslate TRANSLATE(string input, string from, string to) is an equivalent function to translate in PostGresSQL.
class	GenericUDFTrim UDFTrim.
class	GenericUDFTrunc GenericUDFTrunc.
class	GenericUDFTumbledWindow Tumbling windows are a series of fixed-sized, non-overlapping and contiguous time intervals.
class	GenericUDFTypeOf
class	GenericUDFUnion
class	GenericUDFUnixTimeStamp
class	GenericUDFUpper UDFUpper.
class	GenericUDFValidateAcidSortOrder GenericUDFValidateAcidSortOrder.
class	GenericUDFWhen GenericUDF Class for SQL construct "CASE WHEN a THEN b WHEN c THEN d [ELSE f] END".
class	GenericUDFWidthBucket

Methods in org.apache.hadoop.hive.ql.udf.generic that return GenericUDF

Modifier and Type	Method and Description
GenericUDF	GenericUDFOPGreaterThan.flip()
GenericUDF	GenericUDFOPEqualOrLessThan.flip()
GenericUDF	GenericUDFOPEqualOrGreaterThan.flip()
GenericUDF	GenericUDF.flip() Some functions like comparisons may be affected by appearing order of arguments.
GenericUDF	GenericUDFOPLessThan.flip()
protected abstract GenericUDF	GenericUDFBaseArithmetic.instantiateDTIUDF() Instantiate date-time/interval version of the arithmetic UDF
protected GenericUDF	GenericUDFOPMinus.instantiateDTIUDF()
protected GenericUDF	GenericUDFOPPlus.instantiateDTIUDF()
GenericUDF	GenericUDFOPFalse.negative()
GenericUDF	GenericUDFOPNotEqualNS.negative()
GenericUDF	GenericUDFOPNotTrue.negative()
GenericUDF	GenericUDFOPGreaterThan.negative()
GenericUDF	GenericUDFOPEqualOrLessThan.negative()
GenericUDF	GenericUDFOPEqualOrGreaterThan.negative()
GenericUDF	GenericUDFOPNull.negative()
GenericUDF	GenericUDF.negative() Gets the negative function of the current one.
GenericUDF	GenericUDFOPEqualNS.negative()
GenericUDF	GenericUDFOPNotEqual.negative()
GenericUDF	GenericUDFOPNotFalse.negative()
GenericUDF	GenericUDFOPTrue.negative()
GenericUDF	GenericUDFOPOr.negative()
GenericUDF	GenericUDFOPAnd.negative()
GenericUDF	GenericUDFOPEqual.negative()
GenericUDF	GenericUDFOPNotNull.negative()
GenericUDF	GenericUDFOPLessThan.negative()

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

Subclasses of GenericUDF in org.apache.hadoop.hive.ql.udf.xml

Modifier and Type	Class and Description
class	GenericUDFXPath