com.facebook.presto.hive.rule

Class HiveFilterPushdown.SubfieldExtractionRewriter

java.lang.Object

com.facebook.presto.spi.plan.PlanVisitor<PlanNode,ConnectorPlanRewriter.RewriteContext<C>>

com.facebook.presto.spi.ConnectorPlanRewriter<Void>

com.facebook.presto.hive.rule.BaseSubfieldExtractionRewriter

com.facebook.presto.hive.rule.HiveFilterPushdown.SubfieldExtractionRewriter

Enclosing class:

HiveFilterPushdown

public static class HiveFilterPushdown.SubfieldExtractionRewriter
extends BaseSubfieldExtractionRewriter

Nested Class Summary

Nested classes/interfaces inherited from class com.facebook.presto.hive.rule.BaseSubfieldExtractionRewriter

BaseSubfieldExtractionRewriter.ConnectorPushdownFilterResult, BaseSubfieldExtractionRewriter.RemainingExpressions

Nested classes/interfaces inherited from class com.facebook.presto.spi.ConnectorPlanRewriter

ConnectorPlanRewriter.RewriteContext<C>

Field Summary

Fields inherited from class com.facebook.presto.hive.rule.BaseSubfieldExtractionRewriter

rowExpressionService, transactionToMetadata

Constructor Summary

Constructors

Constructor and Description
SubfieldExtractionRewriter(ConnectorSession session, PlanNodeIdAllocator idAllocator, RowExpressionService rowExpressionService, StandardFunctionResolution functionResolution, FunctionMetadataManager functionMetadataManager, HiveTransactionManager transactionManager, HivePartitionManager partitionManager, Function<TableHandle,ConnectorMetadata> transactionToMetadata)

Method Summary

Modifier and Type	Method and Description
BaseSubfieldExtractionRewriter.ConnectorPushdownFilterResult	getConnectorPushdownFilterResult(Map<String,ColumnHandle> columnHandles, ConnectorMetadata metadata, ConnectorSession session, BaseSubfieldExtractionRewriter.RemainingExpressions remainingExpressions, DomainTranslator.ExtractionResult<Subfield> decomposedFilter, RowExpression optimizedRemainingExpression, Constraint<ColumnHandle> constraint, Optional<ConnectorTableLayoutHandle> currentLayoutHandle, ConnectorTableHandle tableHandle)
protected boolean	isPushdownFilterSupported(ConnectorSession session, TableHandle tableHandle)

Methods inherited from class com.facebook.presto.hive.rule.BaseSubfieldExtractionRewriter

extractVariableExpressions, pushdownFilter, useDynamicFilter, visitFilter, visitTableScan

Methods inherited from class com.facebook.presto.spi.ConnectorPlanRewriter

rewriteWith, rewriteWith, visitPlan

Methods inherited from class com.facebook.presto.spi.plan.PlanVisitor

visitAggregation, visitConnectorJoinNode, visitCteConsumer, visitCteProducer, visitCteReference, visitDistinctLimit, visitExcept, visitIntersect, visitLimit, visitMarkDistinct, visitOutput, visitProject, visitSort, visitTopN, visitUnion, visitValues

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SubfieldExtractionRewriter

public SubfieldExtractionRewriter(ConnectorSession session,
                                  PlanNodeIdAllocator idAllocator,
                                  RowExpressionService rowExpressionService,
                                  StandardFunctionResolution functionResolution,
                                  FunctionMetadataManager functionMetadataManager,
                                  HiveTransactionManager transactionManager,
                                  HivePartitionManager partitionManager,
                                  Function<TableHandle,ConnectorMetadata> transactionToMetadata)

Method Detail

getConnectorPushdownFilterResult

public BaseSubfieldExtractionRewriter.ConnectorPushdownFilterResult getConnectorPushdownFilterResult(Map<String,ColumnHandle> columnHandles,
                                                                                                     ConnectorMetadata metadata,
                                                                                                     ConnectorSession session,
                                                                                                     BaseSubfieldExtractionRewriter.RemainingExpressions remainingExpressions,
                                                                                                     DomainTranslator.ExtractionResult<Subfield> decomposedFilter,
                                                                                                     RowExpression optimizedRemainingExpression,
                                                                                                     Constraint<ColumnHandle> constraint,
                                                                                                     Optional<ConnectorTableLayoutHandle> currentLayoutHandle,
                                                                                                     ConnectorTableHandle tableHandle)

Specified by:

getConnectorPushdownFilterResult in class BaseSubfieldExtractionRewriter

isPushdownFilterSupported

protected boolean isPushdownFilterSupported(ConnectorSession session,
                                            TableHandle tableHandle)

Specified by:

isPushdownFilterSupported in class BaseSubfieldExtractionRewriter