Package org.apache.hadoop.hive.ql.exec

Interface Summary

FileSinkOperator.RecordWriter
Operator.OperatorFunc
RecordReader
UDAFEvaluator	Interface that encapsulates the evaluation logic of a UDAF.
UDAFEvaluatorResolver	The UDF Method resolver interface.
UDFMethodResolver	The UDF Method resolver interface.

Class Summary

ByteWritable
ByteWritable.Comparator	A Comparator optimized for BytesWritable.
CollectOperator	Buffers rows emitted by other operators
ColumnInfo	Implementation for ColumnInfo which contains the internal name for the column (the one that is used by the operator to access the column) and the type (identified by a java class).
CommonJoinOperator<T extends joinDesc>	Join operator implementation.
CommonJoinOperator.IntermediateObject
ComparisonOpMethodResolver	The class implements the method resolution for overloaded comparison operators.
ConditionalTask	Conditional Task implementation
CopyTask	CopyTask implementation
DDLTask	DDLTask implementation
DefaultUDAFEvaluatorResolver	The default UDAF Method resolver.
DefaultUDFMethodResolver	The default UDF Method resolver.
ExecDriver
ExecMapper
ExecMapper.reportStats
ExecReducer
ExplainTask	ExplainTask implementation
ExplainTask.MethodComparator
ExprNodeColumnEvaluator	This evaluator gets the column from the row object.
ExprNodeConstantEvaluator
ExprNodeEvaluator
ExprNodeEvaluatorFactory
ExprNodeFieldEvaluator	This Evaluator can evaluate s.f for s as both struct and list of struct.
ExprNodeFuncEvaluator
ExprNodeGenericFuncEvaluator
ExprNodeNullEvaluator
ExtractOperator	Extract operator implementation Extracts a subobject and passes that on.
FetchOperator	FetchTask implementation
FetchTask	FetchTask implementation
FileSinkOperator	File Sink operator implementation
FilterOperator	Filter operator implementation
ForwardOperator	Forward Operator Just forwards.
FunctionInfo
FunctionRegistry
FunctionTask
GroupByOperator	GroupBy operator implementation.
JoinOperator	Join operator implementation.
LimitOperator	Limit operator implementation Limits the number of rows to be passed on.
MapJoinObjectKey	Map Join Object used for both key
MapJoinObjectValue	Map Join Object used for both key and value
MapJoinOperator	Map side Join operator implementation.
MapJoinOperator.MapJoinObjectCtx
MapOperator	Map operator.
MapRedTask	Alternate implementation (to ExecDriver) of spawning a mapreduce task that runs it from a separate jvm.
MoveTask	MoveTask implementation
NumericOpMethodResolver	The class implements the method resolution for operators like (+, -, *, /, %, |, &, ^).
NumericUDAF	Base class of numeric UDAFs like sum and avg which need a NumericUDAFEvaluatorResolver.
NumericUDAFEvaluatorResolver	Resolver for Numeric UDAFs like sum and avg.
Operator<T extends Serializable>	Base operator implementation
OperatorFactory
OperatorFactory.opTuple<T extends Serializable>
ReduceSinkOperator	Reduce Sink Operator sends output to the reduce stage
RowSchema	RowSchema Implementation
ScriptOperator
SelectOperator	Select operator implementation
TableScanOperator	Table Scan Operator If the data is coming from the map-reduce framework, just forward it.
Task<T extends Serializable>	Task implementation
TaskFactory	TaskFactory implementation
TaskFactory.taskTuple<T extends Serializable>
TerminalOperator<T extends Serializable>	Terminal Operator Base Class
TextRecordReader
Throttle
UDAF	Base class for all User-defined Aggregation Function (UDAF) classes.
UDF	A User-defined function (UDF) for the use with Hive.
UnionOperator	Union Operator Just forwards.
Utilities
Utilities.EnumDelegate	Java 1.5 workaround.
Utilities.StreamPrinter
Utilities.Tuple<T,V>

Enum Summary

FileSinkOperator.TableIdEnum
FilterOperator.Counter
FunctionInfo.OperatorType
MapOperator.Counter
Operator.State
ScriptOperator.Counter
Utilities.ReduceField	The object in the reducer are composed of these top level fields
Utilities.streamStatus

Exception Summary

AmbiguousMethodException	Exception thrown by the UDF and UDAF method resolvers in case a unique method is not found.
UDFArgumentException	exception class, thrown when udf argument have something wrong.
UDFArgumentLengthException	exception class, thrown when udf arguments have wrong length.
UDFArgumentTypeException	exception class, thrown when udf arguments have wrong types.

Annotation Types Summary

description