org.apache.derbyTesting.functionTests.tests.lang

Class DummyOptTrace

java.lang.Object

org.apache.derbyTesting.functionTests.tests.lang.DummyOptTrace

All Implemented Interfaces:

org.apache.derby.iapi.sql.compile.OptTrace

Direct Known Subclasses:

DummyOptTrace.BadSubclass

public class DummyOptTrace
extends java.lang.Object
implements org.apache.derby.iapi.sql.compile.OptTrace

Dummy implementation of OptTrace to test the loading of custom trace logic for the Optimizer.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DummyOptTrace.BadSubclass

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.StringBuffer	_buffer
private static java.lang.String	_fullTrace

Constructor Summary

Constructors

Constructor and Description
DummyOptTrace() 0-arg constructor required by OptTrace contract

Method Summary

Modifier and Type	Method and Description
static java.lang.String	fullTrace()
void	printToWriter(java.io.PrintWriter out)
void	traceAddingUnorderedOptimizable(int predicateCount)
void	traceChangingAccessPathForTable(int tableNumber)
void	traceCheapestPlanSoFar(int planType, org.apache.derby.iapi.sql.compile.CostEstimate currentCost)
void	traceCompleteJoinOrder()
void	traceCompositeSelectivityFromStatistics(double statCompositeSelectivity)
void	traceConsideringConglomerate(org.apache.derby.iapi.sql.dictionary.ConglomerateDescriptor cd, int tableNumber)
void	traceConsideringJoinStrategy(org.apache.derby.iapi.sql.compile.JoinStrategy js, int tableNumber)
void	traceConstantStartStopPositions()
void	traceCostIncludingCompositeSelectivityFromStats(org.apache.derby.iapi.sql.compile.CostEstimate cost, int tableNumber)
void	traceCostIncludingExtra1stColumnSelectivity(org.apache.derby.iapi.sql.compile.CostEstimate cost, int tableNumber)
void	traceCostIncludingExtraNonQualifierSelectivity(org.apache.derby.iapi.sql.compile.CostEstimate cost, int tableNumber)
void	traceCostIncludingExtraQualifierSelectivity(org.apache.derby.iapi.sql.compile.CostEstimate cost, int tableNumber)
void	traceCostIncludingExtraStartStop(org.apache.derby.iapi.sql.compile.CostEstimate cost, int tableNumber)
void	traceCostIncludingStatsForIndex(org.apache.derby.iapi.sql.compile.CostEstimate cost, int tableNumber)
void	traceCostOfConglomerateScan(int tableNumber, org.apache.derby.iapi.sql.dictionary.ConglomerateDescriptor cd, org.apache.derby.iapi.sql.compile.CostEstimate costEstimate, int numExtraFirstColumnPreds, double extraFirstColumnSelectivity, int numExtraStartStopPreds, double extraStartStopSelectivity, int startStopPredCount, double statStartStopSelectivity, int numExtraQualifiers, double extraQualifierSelectivity, int numExtraNonQualifiers, double extraNonQualifierSelectivity)
void	traceCostOfNoncoveringIndex(org.apache.derby.iapi.sql.compile.CostEstimate cost, int tableNumber)
void	traceCostOfNScans(int tableNumber, double rowCount, org.apache.derby.iapi.sql.compile.CostEstimate cost)
void	traceCostWithoutSortAvoidance(org.apache.derby.iapi.sql.compile.CostEstimate currentCost)
void	traceCostWithSortAvoidance(org.apache.derby.iapi.sql.compile.CostEstimate currentSortAvoidanceCost)
void	traceCurrentPlanAvoidsSort(org.apache.derby.iapi.sql.compile.CostEstimate bestCost, org.apache.derby.iapi.sql.compile.CostEstimate currentSortAvoidanceCost)
void	traceEndQueryBlock()
void	traceEstimatingCostOfConglomerate(org.apache.derby.iapi.sql.dictionary.ConglomerateDescriptor cd, int tableNumber)
void	traceHashKeyColumns(int[] hashKeyColumns)
void	traceIllegalUserJoinOrder()
void	traceJoinOrderConsideration(int joinPosition, int[] proposedJoinOrder, org.apache.derby.iapi.util.JBitSet assignedTableMap)
void	traceLookingForSpecifiedIndex(java.lang.String indexName, int tableNumber)
void	traceModifyingAccessPaths(int optimizerID)
void	traceNextAccessPath(java.lang.String baseTable, int predicateCount)
void	traceNoBestPlan()
void	traceNoMoreConglomerates(int tableNumber)
void	traceNonCoveringIndexCost(double cost, int tableNumber)
void	traceNoStartStopPosition()
void	traceOptimizingJoinNode()
void	traceRememberingBestAccessPath(org.apache.derby.iapi.sql.compile.AccessPath accessPath, int tableNumber, int planType)
void	traceRememberingBestAccessPathSubstring(org.apache.derby.iapi.sql.compile.AccessPath ap, int tableNumber)
void	traceRememberingBestJoinOrder(int joinPosition, int[] bestJoinOrder, int planType, org.apache.derby.iapi.sql.compile.CostEstimate planCost, org.apache.derby.iapi.util.JBitSet assignedTableMap)
void	traceRememberingBestSortAvoidanceAccessPathSubstring(org.apache.derby.iapi.sql.compile.AccessPath ap, int tableNumber)
void	traceRememberingBestUnknownAccessPathSubstring(org.apache.derby.iapi.sql.compile.AccessPath ap, int tableNumber)
void	traceRememberingJoinStrategy(org.apache.derby.iapi.sql.compile.JoinStrategy joinStrategy, int tableNumber)
void	traceScanningHeapWithUniqueKey()
void	traceShortCircuiting(boolean timeExceeded, org.apache.derby.iapi.sql.compile.Optimizable thisOpt, int joinPosition)
void	traceSingleMatchedRowCost(double cost, int tableNumber)
void	traceSkipHashJoinNoHashKeys()
void	traceSkippingBecauseTooMuchMemory(int maxMemoryPerTable)
void	traceSkippingJoinOrder(int nextOptimizable, int joinPosition, int[] proposedJoinOrder, org.apache.derby.iapi.util.JBitSet assignedTableMap)
void	traceSkipUnmaterializableHashJoin()
void	traceSortCost(org.apache.derby.iapi.sql.compile.CostEstimate sortCost, org.apache.derby.iapi.sql.compile.CostEstimate currentCost)
void	traceSortNeededForOrdering(int planType, org.apache.derby.iapi.sql.compile.RequiredRowOrdering requiredRowOrdering)
void	traceStartQueryBlock(long timeOptimizationStarted, int optimizerID, org.apache.derby.iapi.sql.compile.OptimizableList optimizableList)
void	traceStartStatement(java.lang.String statementText)
void	traceTimeout(long currentTime, org.apache.derby.iapi.sql.compile.CostEstimate bestCost)
void	traceUserJoinOrderOptimized()
void	traceVacuous()

Methods inherited from class java.lang.Object

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

Field Detail

_buffer

private java.lang.StringBuffer _buffer

_fullTrace

private static java.lang.String _fullTrace

Constructor Detail

DummyOptTrace

public DummyOptTrace()

0-arg constructor required by OptTrace contract

Method Detail

fullTrace

public static java.lang.String fullTrace()

traceStartStatement

public void traceStartStatement(java.lang.String statementText)

Specified by:

traceStartStatement in interface org.apache.derby.iapi.sql.compile.OptTrace

printToWriter

public void printToWriter(java.io.PrintWriter out)

Specified by:

printToWriter in interface org.apache.derby.iapi.sql.compile.OptTrace

traceStartQueryBlock

public void traceStartQueryBlock(long timeOptimizationStarted,
                                 int optimizerID,
                                 org.apache.derby.iapi.sql.compile.OptimizableList optimizableList)

Specified by:

traceStartQueryBlock in interface org.apache.derby.iapi.sql.compile.OptTrace

traceEndQueryBlock

public void traceEndQueryBlock()

Specified by:

traceEndQueryBlock in interface org.apache.derby.iapi.sql.compile.OptTrace

traceTimeout

public void traceTimeout(long currentTime,
                         org.apache.derby.iapi.sql.compile.CostEstimate bestCost)

Specified by:

traceTimeout in interface org.apache.derby.iapi.sql.compile.OptTrace

traceVacuous

public void traceVacuous()

Specified by:

traceVacuous in interface org.apache.derby.iapi.sql.compile.OptTrace

traceCompleteJoinOrder

public void traceCompleteJoinOrder()

Specified by:

traceCompleteJoinOrder in interface org.apache.derby.iapi.sql.compile.OptTrace

traceSortCost

public void traceSortCost(org.apache.derby.iapi.sql.compile.CostEstimate sortCost,
                          org.apache.derby.iapi.sql.compile.CostEstimate currentCost)

Specified by:

traceSortCost in interface org.apache.derby.iapi.sql.compile.OptTrace

traceNoBestPlan

public void traceNoBestPlan()

Specified by:

traceNoBestPlan in interface org.apache.derby.iapi.sql.compile.OptTrace

traceModifyingAccessPaths

public void traceModifyingAccessPaths(int optimizerID)

Specified by:

traceModifyingAccessPaths in interface org.apache.derby.iapi.sql.compile.OptTrace

traceShortCircuiting

public void traceShortCircuiting(boolean timeExceeded,
                                 org.apache.derby.iapi.sql.compile.Optimizable thisOpt,
                                 int joinPosition)

Specified by:

traceShortCircuiting in interface org.apache.derby.iapi.sql.compile.OptTrace

traceSkippingJoinOrder

public void traceSkippingJoinOrder(int nextOptimizable,
                                   int joinPosition,
                                   int[] proposedJoinOrder,
                                   org.apache.derby.iapi.util.JBitSet assignedTableMap)

Specified by:

traceSkippingJoinOrder in interface org.apache.derby.iapi.sql.compile.OptTrace

traceIllegalUserJoinOrder

public void traceIllegalUserJoinOrder()

Specified by:

traceIllegalUserJoinOrder in interface org.apache.derby.iapi.sql.compile.OptTrace

traceUserJoinOrderOptimized

public void traceUserJoinOrderOptimized()

Specified by:

traceUserJoinOrderOptimized in interface org.apache.derby.iapi.sql.compile.OptTrace

traceJoinOrderConsideration

public void traceJoinOrderConsideration(int joinPosition,
                                        int[] proposedJoinOrder,
                                        org.apache.derby.iapi.util.JBitSet assignedTableMap)

Specified by:

traceJoinOrderConsideration in interface org.apache.derby.iapi.sql.compile.OptTrace

traceCostWithoutSortAvoidance

public void traceCostWithoutSortAvoidance(org.apache.derby.iapi.sql.compile.CostEstimate currentCost)

Specified by:

traceCostWithoutSortAvoidance in interface org.apache.derby.iapi.sql.compile.OptTrace

traceCostWithSortAvoidance

public void traceCostWithSortAvoidance(org.apache.derby.iapi.sql.compile.CostEstimate currentSortAvoidanceCost)

Specified by:

traceCostWithSortAvoidance in interface org.apache.derby.iapi.sql.compile.OptTrace

traceCurrentPlanAvoidsSort

public void traceCurrentPlanAvoidsSort(org.apache.derby.iapi.sql.compile.CostEstimate bestCost,
                                       org.apache.derby.iapi.sql.compile.CostEstimate currentSortAvoidanceCost)

Specified by:

traceCurrentPlanAvoidsSort in interface org.apache.derby.iapi.sql.compile.OptTrace

traceCheapestPlanSoFar

public void traceCheapestPlanSoFar(int planType,
                                   org.apache.derby.iapi.sql.compile.CostEstimate currentCost)

Specified by:

traceCheapestPlanSoFar in interface org.apache.derby.iapi.sql.compile.OptTrace

traceSortNeededForOrdering

public void traceSortNeededForOrdering(int planType,
                                       org.apache.derby.iapi.sql.compile.RequiredRowOrdering requiredRowOrdering)

Specified by:

traceSortNeededForOrdering in interface org.apache.derby.iapi.sql.compile.OptTrace

traceRememberingBestJoinOrder

public void traceRememberingBestJoinOrder(int joinPosition,
                                          int[] bestJoinOrder,
                                          int planType,
                                          org.apache.derby.iapi.sql.compile.CostEstimate planCost,
                                          org.apache.derby.iapi.util.JBitSet assignedTableMap)

Specified by:

traceRememberingBestJoinOrder in interface org.apache.derby.iapi.sql.compile.OptTrace

traceSkippingBecauseTooMuchMemory

public void traceSkippingBecauseTooMuchMemory(int maxMemoryPerTable)

Specified by:

traceSkippingBecauseTooMuchMemory in interface org.apache.derby.iapi.sql.compile.OptTrace

traceCostOfNScans

public void traceCostOfNScans(int tableNumber,
                              double rowCount,
                              org.apache.derby.iapi.sql.compile.CostEstimate cost)

Specified by:

traceCostOfNScans in interface org.apache.derby.iapi.sql.compile.OptTrace

traceSkipUnmaterializableHashJoin

public void traceSkipUnmaterializableHashJoin()

Specified by:

traceSkipUnmaterializableHashJoin in interface org.apache.derby.iapi.sql.compile.OptTrace

traceSkipHashJoinNoHashKeys

public void traceSkipHashJoinNoHashKeys()

Specified by:

traceSkipHashJoinNoHashKeys in interface org.apache.derby.iapi.sql.compile.OptTrace

traceHashKeyColumns

public void traceHashKeyColumns(int[] hashKeyColumns)

Specified by:

traceHashKeyColumns in interface org.apache.derby.iapi.sql.compile.OptTrace

traceOptimizingJoinNode

public void traceOptimizingJoinNode()

Specified by:

traceOptimizingJoinNode in interface org.apache.derby.iapi.sql.compile.OptTrace

traceConsideringJoinStrategy

public void traceConsideringJoinStrategy(org.apache.derby.iapi.sql.compile.JoinStrategy js,
                                         int tableNumber)

Specified by:

traceConsideringJoinStrategy in interface org.apache.derby.iapi.sql.compile.OptTrace

traceRememberingBestAccessPath

public void traceRememberingBestAccessPath(org.apache.derby.iapi.sql.compile.AccessPath accessPath,
                                           int tableNumber,
                                           int planType)

Specified by:

traceRememberingBestAccessPath in interface org.apache.derby.iapi.sql.compile.OptTrace

traceNoMoreConglomerates

public void traceNoMoreConglomerates(int tableNumber)

Specified by:

traceNoMoreConglomerates in interface org.apache.derby.iapi.sql.compile.OptTrace

traceConsideringConglomerate

public void traceConsideringConglomerate(org.apache.derby.iapi.sql.dictionary.ConglomerateDescriptor cd,
                                         int tableNumber)

Specified by:

traceConsideringConglomerate in interface org.apache.derby.iapi.sql.compile.OptTrace

traceScanningHeapWithUniqueKey

public void traceScanningHeapWithUniqueKey()

Specified by:

traceScanningHeapWithUniqueKey in interface org.apache.derby.iapi.sql.compile.OptTrace

traceAddingUnorderedOptimizable

public void traceAddingUnorderedOptimizable(int predicateCount)

Specified by:

traceAddingUnorderedOptimizable in interface org.apache.derby.iapi.sql.compile.OptTrace

traceChangingAccessPathForTable

public void traceChangingAccessPathForTable(int tableNumber)

Specified by:

traceChangingAccessPathForTable in interface org.apache.derby.iapi.sql.compile.OptTrace

traceNoStartStopPosition

public void traceNoStartStopPosition()

Specified by:

traceNoStartStopPosition in interface org.apache.derby.iapi.sql.compile.OptTrace

traceNonCoveringIndexCost

public void traceNonCoveringIndexCost(double cost,
                                      int tableNumber)

Specified by:

traceNonCoveringIndexCost in interface org.apache.derby.iapi.sql.compile.OptTrace

traceConstantStartStopPositions

public void traceConstantStartStopPositions()

Specified by:

traceConstantStartStopPositions in interface org.apache.derby.iapi.sql.compile.OptTrace

traceEstimatingCostOfConglomerate

public void traceEstimatingCostOfConglomerate(org.apache.derby.iapi.sql.dictionary.ConglomerateDescriptor cd,
                                              int tableNumber)

Specified by:

traceEstimatingCostOfConglomerate in interface org.apache.derby.iapi.sql.compile.OptTrace

traceLookingForSpecifiedIndex

public void traceLookingForSpecifiedIndex(java.lang.String indexName,
                                          int tableNumber)

Specified by:

traceLookingForSpecifiedIndex in interface org.apache.derby.iapi.sql.compile.OptTrace

traceSingleMatchedRowCost

public void traceSingleMatchedRowCost(double cost,
                                      int tableNumber)

Specified by:

traceSingleMatchedRowCost in interface org.apache.derby.iapi.sql.compile.OptTrace

traceCostIncludingExtra1stColumnSelectivity

public void traceCostIncludingExtra1stColumnSelectivity(org.apache.derby.iapi.sql.compile.CostEstimate cost,
                                                        int tableNumber)

Specified by:

traceCostIncludingExtra1stColumnSelectivity in interface org.apache.derby.iapi.sql.compile.OptTrace

traceNextAccessPath

public void traceNextAccessPath(java.lang.String baseTable,
                                int predicateCount)

Specified by:

traceNextAccessPath in interface org.apache.derby.iapi.sql.compile.OptTrace

traceCostIncludingExtraStartStop

public void traceCostIncludingExtraStartStop(org.apache.derby.iapi.sql.compile.CostEstimate cost,
                                             int tableNumber)

Specified by:

traceCostIncludingExtraStartStop in interface org.apache.derby.iapi.sql.compile.OptTrace

traceCostIncludingExtraQualifierSelectivity

public void traceCostIncludingExtraQualifierSelectivity(org.apache.derby.iapi.sql.compile.CostEstimate cost,
                                                        int tableNumber)

Specified by:

traceCostIncludingExtraQualifierSelectivity in interface org.apache.derby.iapi.sql.compile.OptTrace

traceCostIncludingExtraNonQualifierSelectivity

public void traceCostIncludingExtraNonQualifierSelectivity(org.apache.derby.iapi.sql.compile.CostEstimate cost,
                                                           int tableNumber)

Specified by:

traceCostIncludingExtraNonQualifierSelectivity in interface org.apache.derby.iapi.sql.compile.OptTrace

traceCostOfNoncoveringIndex

public void traceCostOfNoncoveringIndex(org.apache.derby.iapi.sql.compile.CostEstimate cost,
                                        int tableNumber)

Specified by:

traceCostOfNoncoveringIndex in interface org.apache.derby.iapi.sql.compile.OptTrace

traceRememberingJoinStrategy

public void traceRememberingJoinStrategy(org.apache.derby.iapi.sql.compile.JoinStrategy joinStrategy,
                                         int tableNumber)

Specified by:

traceRememberingJoinStrategy in interface org.apache.derby.iapi.sql.compile.OptTrace

traceRememberingBestAccessPathSubstring

public void traceRememberingBestAccessPathSubstring(org.apache.derby.iapi.sql.compile.AccessPath ap,
                                                    int tableNumber)

Specified by:

traceRememberingBestAccessPathSubstring in interface org.apache.derby.iapi.sql.compile.OptTrace

traceRememberingBestSortAvoidanceAccessPathSubstring

public void traceRememberingBestSortAvoidanceAccessPathSubstring(org.apache.derby.iapi.sql.compile.AccessPath ap,
                                                                 int tableNumber)

Specified by:

traceRememberingBestSortAvoidanceAccessPathSubstring in interface org.apache.derby.iapi.sql.compile.OptTrace

traceRememberingBestUnknownAccessPathSubstring

public void traceRememberingBestUnknownAccessPathSubstring(org.apache.derby.iapi.sql.compile.AccessPath ap,
                                                           int tableNumber)

Specified by:

traceRememberingBestUnknownAccessPathSubstring in interface org.apache.derby.iapi.sql.compile.OptTrace

traceCostOfConglomerateScan

public void traceCostOfConglomerateScan(int tableNumber,
                                        org.apache.derby.iapi.sql.dictionary.ConglomerateDescriptor cd,
                                        org.apache.derby.iapi.sql.compile.CostEstimate costEstimate,
                                        int numExtraFirstColumnPreds,
                                        double extraFirstColumnSelectivity,
                                        int numExtraStartStopPreds,
                                        double extraStartStopSelectivity,
                                        int startStopPredCount,
                                        double statStartStopSelectivity,
                                        int numExtraQualifiers,
                                        double extraQualifierSelectivity,
                                        int numExtraNonQualifiers,
                                        double extraNonQualifierSelectivity)

Specified by:

traceCostOfConglomerateScan in interface org.apache.derby.iapi.sql.compile.OptTrace

traceCostIncludingCompositeSelectivityFromStats

public void traceCostIncludingCompositeSelectivityFromStats(org.apache.derby.iapi.sql.compile.CostEstimate cost,
                                                            int tableNumber)

Specified by:

traceCostIncludingCompositeSelectivityFromStats in interface org.apache.derby.iapi.sql.compile.OptTrace

traceCompositeSelectivityFromStatistics

public void traceCompositeSelectivityFromStatistics(double statCompositeSelectivity)

Specified by:

traceCompositeSelectivityFromStatistics in interface org.apache.derby.iapi.sql.compile.OptTrace

traceCostIncludingStatsForIndex

public void traceCostIncludingStatsForIndex(org.apache.derby.iapi.sql.compile.CostEstimate cost,
                                            int tableNumber)

Specified by:

traceCostIncludingStatsForIndex in interface org.apache.derby.iapi.sql.compile.OptTrace