Package org.apache.hadoop.hive.ql.parse

Interface Summary

HiveSemanticAnalyzerHook	HiveSemanticAnalyzerHook allows Hive to be extended with custom logic for semantic analysis of QL statements.
HiveSemanticAnalyzerHookContext	Context information provided by Hive to implementations of HiveSemanticAnalyzerHook.
SubQueryUtils.ISubQueryJoinInfo

Class Summary

AbstractSemanticAnalyzerHook
AlterTablePartMergeFilesDesc
ASTErrorNode
ASTNode
ASTNodeOrigin	ASTNodeOrigin contains contextual information about the object from whose definition a particular ASTNode originated.
BaseSemanticAnalyzer	BaseSemanticAnalyzer.
BaseSemanticAnalyzer.tableSpec	tableSpec.
ColumnAccessAnalyzer
ColumnAccessInfo
ColumnStatsSemanticAnalyzer	ColumnStatsSemanticAnalyzer.
DDLSemanticAnalyzer	DDLSemanticAnalyzer.
EximUtil	EximUtil.
ExplainSemanticAnalyzer	ExplainSemanticAnalyzer.
ExportSemanticAnalyzer	ExportSemanticAnalyzer.
FileSinkProcessor	FileSinkProcessor handles addition of merge, move and stats tasks for filesinks
FunctionSemanticAnalyzer	FunctionSemanticAnalyzer.
GenMapRedWalker	Walks the operator tree in pre order fashion.
GenTezProcContext	GenTezProcContext.
GenTezUtils	GenTezUtils is a collection of shared helper methods to produce TezWork
GenTezWork	GenTezWork separates the operator tree into tez tasks.
GenTezWorkWalker	Walks the operator tree in DFS fashion.
GlobalLimitCtx	context for pruning inputs.
HiveSemanticAnalyzerHookContextImpl
ImportSemanticAnalyzer	ImportSemanticAnalyzer.
IndexUpdater
InputSignature	The input signature of a function or operator.
JoinCond	Join conditions Descriptor implementation.
LeadLagInfo	Lead Lag functionality
LoadSemanticAnalyzer	LoadSemanticAnalyzer.
MacroSemanticAnalyzer	MacroSemanticAnalyzer.
MapReduceCompiler
MetaDataExportListener	This class listens for drop events and, if set, exports the table's metadata as JSON to the trash of the user performing the drop
OpParseContext	Implementation of the Operator Parse Context.
OptimizeTezProcContext	OptimizeTezProcContext.
ParseContext	Parse Context: The current parse context.
ParseDriver	ParseDriver.
ParseError
ParseUtils	Library of utility functions used in the parse code.
PrintOpTreeProcessor	PrintOpTreeProcessor.
ProcessAnalyzeTable	ProcessAnalyzeTable sets up work for the several variants of analyze table (normal, no scan, partial scan.) The plan at this point will be a single table scan operator.
PrunedPartitionList	The list of pruned partitions.
PTFInvocationSpec
PTFInvocationSpec.OrderExpression
PTFInvocationSpec.OrderSpec
PTFInvocationSpec.PartitionedTableFunctionSpec
PTFInvocationSpec.PartitionExpression
PTFInvocationSpec.PartitioningSpec
PTFInvocationSpec.PartitionSpec
PTFInvocationSpec.PTFInputSpec
PTFInvocationSpec.PTFQueryInputSpec
PTFTranslator
PTFTranslator.ValidateNoLeadLag
QB	Implementation of the query block.
QBExpr	Implementation of the query block expression.
QBJoinTree	Internal representation of the join tree.
QBMetaData	Implementation of the metadata information related to a query block.
QBParseInfo	Implementation of the parse information related to a query block.
QBSubQuery
QBSubQuery.SubQueryTypeDef
RowResolver	Implementation of the Row Resolver.
SemanticAnalyzer	Implementation of the semantic analyzer.
SemanticAnalyzerFactory	SemanticAnalyzerFactory.
SplitSample	This class stores all the information specified in the TABLESAMPLE(...) clause.
SubQueryUtils
TableAccessAnalyzer	TableAccessAnalyzer walks the operator graph from joins and group bys to the table scan operator backing it.
TableAccessCtx	This class implements the context information that is used for typechecking phase in query compilation.
TableAccessInfo
TableSample	This class stores all the information specified in the TABLESAMPLE clause.
TaskCompiler	TaskCompiler is a the base class for classes that compile operator pipelines into tasks.
TaskCompilerFactory	TaskCompilerFactory is a factory class to choose the appropriate TaskCompiler.
TezCompiler	TezCompiler translates the operator plan into TezTasks.
TezWalker	Walks the operator tree in DFS fashion.
TypeCheckCtx	This class implements the context information that is used for typechecking phase in query compilation.
TypeCheckProcFactory	The Factory for creating typecheck processors.
TypeCheckProcFactory.BoolExprProcessor	Processor for boolean constants.
TypeCheckProcFactory.ColumnExprProcessor	Processor for table columns.
TypeCheckProcFactory.DateExprProcessor	Processor for date constants.
TypeCheckProcFactory.DefaultExprProcessor	The default processor for typechecking.
TypeCheckProcFactory.NullExprProcessor	Processor for processing NULL expression.
TypeCheckProcFactory.NumExprProcessor	Processor for processing numeric constants.
TypeCheckProcFactory.StrExprProcessor	Processor for processing string constants.
TypeCheckProcFactory.SubQueryExprProcessor	Processor for subquery expressions..
VariableSubstitution
WindowingComponentizer
WindowingExprNodeEvaluatorFactory
WindowingExprNodeEvaluatorFactory.FindLeadLagFuncExprs
WindowingSpec
WindowingSpec.BoundarySpec
WindowingSpec.CurrentRowSpec
WindowingSpec.RangeBoundarySpec
WindowingSpec.ValueBoundarySpec
WindowingSpec.WindowExpressionSpec
WindowingSpec.WindowFrameSpec
WindowingSpec.WindowFunctionSpec
WindowingSpec.WindowSpec

Enum Summary

BaseSemanticAnalyzer.tableSpec.SpecType
JoinType	JoinType.
PTFInvocationSpec.Order
PTFInvocationSpec.PTFQueryInputType
QBExpr.Opcode	Opcode.
QBSubQuery.SubQueryType
WindowingSpec.Direction

Exception Summary

ParseException	ParseException.
SemanticException	Exception from SemanticAnalyzer.