Package org.apache.calcite.adapter.enumerable

Query optimizer rules for Java calling convention.

See: Description

Interface Summary

Interface	Description
AggAddContext	Information for a call to AggImplementor.implementAdd(AggContext, AggAddContext).
AggContext	Information on the aggregate calculation context.
AggImplementor	Implements an aggregate function by generating expressions to initialize, add to, and get a result from, an accumulator.
AggregateLambdaFactory<TSource,TOrigAccumulate,TAccumulate,TResult,TKey>	Generates lambda functions used in EnumerableAggregate.
AggResetContext	Information for a call to AggImplementor.implementReset(AggContext, AggResetContext).
AggResultContext	Information for a call to AggImplementor.implementResult(AggContext, AggResultContext)
CallImplementor	Implements a call via given translator.
EnumerableBatchNestedLoopJoinRule.Config	Rule configuration.
EnumerableFilterToCalcRule.Config	Rule configuration.
EnumerableLimitRule.Config	Rule configuration.
EnumerableLimitSortRule.Config	Rule configuration.
EnumerableMergeUnionRule.Config	Rule configuration.
EnumerableProjectToCalcRule.Config	Rule configuration.
EnumerableRel	A relational expression of one of the EnumerableConvention calling conventions.
LazyAggregateLambdaFactory.LazyAccumulator<TOrigAccumulate,TSource>	Accumulate on the cached input sources.
MatchImplementor	Implementor of Functions used in MATCH_RECOGNIZE Context.
NestedBlockBuilder	Allows to build nested code blocks with tracking of current context.
NotNullImplementor	Simplified version of CallImplementor that does not know about null semantics.
PhysType	Physical type of a row.
RexImpTable.RexCallImplementor	Null-safe implementor of RexCalls.
RexToLixTranslator.InputGetter	Translates a field of an input to an expression.
TableFunctionCallImplementor	Implements a table-valued function call.
WinAggAddContext	Information for a call to AggImplementor.implementAdd(AggContext, AggAddContext).
WinAggContext	Marker interface to allow AggImplementor to tell if it is used in regular or windowed context.
WinAggFrameContext	Provides information on the current window.
WinAggFrameResultContext	Provides information on the current window when computing the result of the aggregation.
WinAggImplementor	Implements a windowed aggregate function by generating expressions to initialize, add to, and get a result from, an accumulator.
WinAggResetContext	Information for a call to AggImplementor.implementReset(AggContext, AggResetContext).
WinAggResultContext	Information for a call to AggImplementor.implementResult(AggContext, AggResultContext).

Class Summary

Class	Description
AggImpState	Represents internal state when implementing aggregate functions.
BasicAggregateLambdaFactory<TSource,TAccumulate,TResult,TKey>	Implementation of AggregateLambdaFactory that applies a sequence of accumulator adders to input source.
BasicLazyAccumulator<TAccumulate,TSource>	Performs accumulation against a pre-collected list of input sources, used with LazyAggregateLambdaFactory.
EnumerableAggregate	Implementation of Aggregate in enumerable calling convention.
EnumerableAggregateBase	Base class for EnumerableAggregate and EnumerableSortedAggregate.
EnumerableBatchNestedLoopJoin	Implementation of batch nested loop join in enumerable calling convention.
EnumerableBatchNestedLoopJoinRule	Rule to convert a LogicalJoin to an EnumerableBatchNestedLoopJoin.
EnumerableBindable	Relational expression that converts an enumerable input to interpretable calling convention.
EnumerableBindable.EnumerableToBindableConverterRule	Rule that converts any enumerable relational expression to bindable.
EnumerableCalc	Implementation of Calc in enumerable calling convention.
EnumerableCollect	Implementation of Collect in enumerable calling convention.
EnumerableCorrelate	Implementation of Correlate in enumerable calling convention.
EnumerableCorrelateRule	Implementation of nested loops over enumerable inputs.
EnumerableFilter	Implementation of Filter in enumerable calling convention.
EnumerableFilterToCalcRule	Variant of FilterToCalcRule for enumerable calling convention.
EnumerableHashJoin	Implementation of Join in enumerable calling convention.
EnumerableInterpretable	Relational expression that converts an enumerable input to interpretable calling convention.
EnumerableInterpreter	Relational expression that executes its children using an interpreter.
EnumerableInterpreterRule	Planner rule that converts BindableRel to EnumerableRel by creating an EnumerableInterpreter.
EnumerableIntersect	Implementation of Intersect in enumerable calling convention.
EnumerableLimit	Relational expression that applies a limit and/or offset to its input.
EnumerableLimitRule	Rule to convert an Sort that has offset or fetch set to an EnumerableLimit on top of a "pure" Sort that has no offset or fetch.
EnumerableLimitSort	Implementation of Sort in enumerable calling convention.
EnumerableLimitSortRule	Rule to convert an EnumerableLimit of on EnumerableSort into an EnumerableLimitSort.
EnumerableMatch	Implementation of Match in enumerable calling convention.
EnumerableMatchRule	Rule to convert a LogicalMatch to an EnumerableMatch.
EnumerableMergeJoin	Implementation of Join in enumerable calling convention using a merge algorithm.
EnumerableMergeUnion	Implementation of Union in enumerable calling convention.
EnumerableMergeUnionRule	Rule to convert a LogicalSort on top of a LogicalUnion into a EnumerableMergeUnion.
EnumerableMinus	Implementation of Minus in enumerable calling convention.
EnumerableNestedLoopJoin	Implementation of Join in enumerable calling convention that allows conditions that are not just = (equals).
EnumerableProject	Implementation of Project in enumerable calling convention.
EnumerableProjectToCalcRule	Variant of ProjectToCalcRule for enumerable calling convention.
EnumerableRel.Result	Result of implementing an enumerable relational expression by generating Java code.
EnumerableRelFactories	Contains factory interface and default implementation for creating various rel nodes.
EnumerableRelImplementor	Subclass of RelImplementor for relational operators of EnumerableConvention calling convention.
EnumerableRepeatUnion	Implementation of RepeatUnion in enumerable calling convention.
EnumerableRepeatUnionRule	Rule to convert a LogicalRepeatUnion into an EnumerableRepeatUnion.
EnumerableRules	Rules and relational operators for the enumerable calling convention.
EnumerableSort	Implementation of Sort in enumerable calling convention.
EnumerableSortedAggregate	Sort based physical implementation of Aggregate in enumerable calling convention.
EnumerableTableFunctionScan	Implementation of TableFunctionScan in enumerable calling convention.
EnumerableTableFunctionScanRule	Rule to convert a LogicalTableFunctionScan to an EnumerableTableFunctionScan.
EnumerableTableModify	Implementation of TableModify in enumerable calling convention.
EnumerableTableModifyRule	Planner rule that converts a LogicalTableModify to an EnumerableTableModify.
EnumerableTableScan	Implementation of TableScan in enumerable calling convention.
EnumerableTableScanRule	Planner rule that converts a LogicalTableScan to an EnumerableTableScan.
EnumerableTableSpool	Implementation of TableSpool in enumerable calling convention that writes into a ModifiableTable (which must exist in the current schema).
EnumerableTableSpoolRule	Rule to convert a LogicalTableSpool into an EnumerableTableSpool.
EnumerableUncollect	Implementation of Uncollect in enumerable calling convention.
EnumerableUnion	Implementation of Union in enumerable calling convention.
EnumerableValues	Implementation of Values in enumerable calling convention.
EnumerableValuesRule	Planner rule that converts a LogicalValues to an EnumerableValues.
EnumerableWindow	Implementation of Window in enumerable calling convention.
EnumUtils	Utilities for generating programs in the Enumerable (functional) style.
JavaRelImplementor	Abstract base class for implementations of RelImplementor that generate java code.
LazyAggregateLambdaFactory<TSource,TKey,TOrigAccumulate,TResult>	Generate aggregate lambdas that preserve the input source before calling each aggregate adder, this implementation is generally used when we need to sort the input before performing aggregation.
LazyAggregateLambdaFactory.LazySource<TSource>	Cache the input sources.
MatchUtils	Class with static Helpers for MATCH_RECOGNIZE.
NestedBlockBuilderImpl	Allows to build nested code blocks with tracking of current context.
PhysTypeImpl	Implementation of PhysType.
ReflectiveCallNotNullImplementor	Implementation of NotNullImplementor that calls a given Method.
RexImpTable	Contains implementations of Rex operators as Java code.
RexImpTable.LagImplementor	Implementor for the LAG windowed aggregate function.
RexImpTable.LeadImplementor	Implementor for the LEAD windowed aggregate function.
RexImpTable.UserDefinedAggReflectiveImplementor	Implementor for user-defined aggregate functions.
RexToLixTranslator	Translates REX expressions to linq4j expressions.
RexToLixTranslator.InputGetterImpl	Implementation of RexToLixTranslator.InputGetter that calls PhysType.fieldReference(org.apache.calcite.linq4j.tree.Expression, int).
RexToLixTranslator.Result	Result of translating a RexNode.
SourceSorter<TAccumulate,TSource,TSortKey>	Helper that combines the sorting process and accumulating process against the aggregate execution, used with LazyAggregateLambdaFactory.
StrictAggImplementor	The base implementation of strict aggregate function.
StrictWinAggImplementor	The base implementation of strict window aggregate function.

Enum Summary

Enum	Description
EnumerableConvention	Family of calling conventions that return results as an Enumerable.
EnumerableRel.Prefer	Preferred physical type.
JavaRowFormat	How a row is represented as a Java value.
NullPolicy	Describes when a function/operator will return null.
RexImpTable.NullAs	Strategy what an operator should return if one of its arguments is null.
WinAggImplementor.SeekType	Allows to access rows in window partition relative to first/last and current row.

Package org.apache.calcite.adapter.enumerable Description

Query optimizer rules for Java calling convention.