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Java Source Code / Java Documentation » Database DBMS » db derby 10.2 » org.apache.derby.impl.sql.compile   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.derby.impl.sql.compile.BaseJoinStrategy       org.apache.derby.impl.sql.compile.NestedLoopJoinStrategy NestedLoopJoinStrategy public class NestedLoopJoinStrategy extends BaseJoinStrategy (Code) Constructor Summary public   NestedLoopJoinStrategy()      Method Summary public  void divideUpPredicateLists(Optimizable innerTable, OptimizablePredicateList originalRestrictionList, OptimizablePredicateList storeRestrictionList, OptimizablePredicateList nonStoreRestrictionList, OptimizablePredicateList requalificationRestrictionList, DataDictionary dd)      public  boolean doesMaterialization()      public  void estimateCost(Optimizable innerTable, OptimizablePredicateList predList, ConglomerateDescriptor cd, CostEstimate outerCost, Optimizer optimizer, CostEstimate costEstimate)      public  boolean feasible(Optimizable innerTable, OptimizablePredicateList predList, Optimizer optimizer)      public  OptimizablePredicateList getBasePredicates(OptimizablePredicateList predList, OptimizablePredicateList basePredicates, Optimizable innerTable)      public  String getName()      public  int getScanArgs(TransactionController tc, MethodBuilder mb, Optimizable innerTable, OptimizablePredicateList storeRestrictionList, OptimizablePredicateList nonStoreRestrictionList, ExpressionClassBuilderInterface acbi, int bulkFetch, MethodBuilder resultRowAllocator, int colRefItem, int indexColItem, int lockMode, boolean tableLocked, int isolationLevel, int maxMemoryPerTable)      public  String halfOuterJoinResultSetMethodName()      public  String joinResultSetMethodName()      public  int maxCapacity(int userSpecifiedCapacity, int maxMemoryPerTable, double perRowUsage)      public  boolean multiplyBaseCostByOuterRows()      public  double nonBasePredicateSelectivity(Optimizable innerTable, OptimizablePredicateList predList)      public  void putBasePredicates(OptimizablePredicateList predList, OptimizablePredicateList basePredicates)      public  String resultSetMethodName(boolean bulkFetch)      public  int scanCostType()      public  String toString()      protected  boolean validForOutermostTable()      Can this join strategy be used on the outermost table of a join. Constructor Detail NestedLoopJoinStrategy public NestedLoopJoinStrategy()(Code) Method Detail divideUpPredicateLists public void divideUpPredicateLists(Optimizable innerTable, OptimizablePredicateList originalRestrictionList, OptimizablePredicateList storeRestrictionList, OptimizablePredicateList nonStoreRestrictionList, OptimizablePredicateList requalificationRestrictionList, DataDictionary dd) throws StandardException(Code) See Also:   JoinStrategy.divideUpPredicateLists exception:   StandardException - Thrown on error doesMaterialization public boolean doesMaterialization()(Code) See Also:   JoinStrategy.doesMaterialization estimateCost public void estimateCost(Optimizable innerTable, OptimizablePredicateList predList, ConglomerateDescriptor cd, CostEstimate outerCost, Optimizer optimizer, CostEstimate costEstimate)(Code) feasible public boolean feasible(Optimizable innerTable, OptimizablePredicateList predList, Optimizer optimizer) throws StandardException(Code) See Also:   JoinStrategy.feasible exception:   StandardException - Thrown on error getBasePredicates public OptimizablePredicateList getBasePredicates(OptimizablePredicateList predList, OptimizablePredicateList basePredicates, Optimizable innerTable) throws StandardException(Code) See Also:   JoinStrategy.getBasePredicates exception:   StandardException - Thrown on error getName public String getName()(Code) See Also:   JoinStrategy.getName See Also:    getScanArgs public int getScanArgs(TransactionController tc, MethodBuilder mb, Optimizable innerTable, OptimizablePredicateList storeRestrictionList, OptimizablePredicateList nonStoreRestrictionList, ExpressionClassBuilderInterface acbi, int bulkFetch, MethodBuilder resultRowAllocator, int colRefItem, int indexColItem, int lockMode, boolean tableLocked, int isolationLevel, int maxMemoryPerTable) throws StandardException(Code) See Also:   JoinStrategy.getScanArgs exception:   StandardException - Thrown on error halfOuterJoinResultSetMethodName public String halfOuterJoinResultSetMethodName()(Code) See Also:   JoinStrategy.halfOuterJoinResultSetMethodName See Also:    joinResultSetMethodName public String joinResultSetMethodName()(Code) See Also:   JoinStrategy.joinResultSetMethodName See Also:    maxCapacity public int maxCapacity(int userSpecifiedCapacity, int maxMemoryPerTable, double perRowUsage)(Code) See Also:   JoinStrategy.maxCapacity See Also:    multiplyBaseCostByOuterRows public boolean multiplyBaseCostByOuterRows()(Code) See Also:   JoinStrategy.multiplyBaseCostByOuterRows See Also:    nonBasePredicateSelectivity public double nonBasePredicateSelectivity(Optimizable innerTable, OptimizablePredicateList predList)(Code) See Also:   JoinStrategy.nonBasePredicateSelectivity See Also:    putBasePredicates public void putBasePredicates(OptimizablePredicateList predList, OptimizablePredicateList basePredicates) throws StandardException(Code) See Also:   JoinStrategy.putBasePredicates exception:   StandardException - Thrown on error resultSetMethodName public String resultSetMethodName(boolean bulkFetch)(Code) See Also:   JoinStrategy.resultSetMethodName See Also:    scanCostType public int scanCostType()(Code) See Also:   JoinStrategy.scanCostType See Also:    toString public String toString()(Code) validForOutermostTable protected boolean validForOutermostTable()(Code) Can this join strategy be used on the outermost table of a join. Whether or not this join strategycan be used on the outermose table of a join. Methods inherited from org.apache.derby.impl.sql.compile.BaseJoinStrategy public boolean bulkFetchOK()(Code)(Java Doc) void fillInScanArgs1(TransactionController tc, MethodBuilder mb, Optimizable innerTable, OptimizablePredicateList predList, ExpressionClassBuilderInterface acbi, MethodBuilder resultRowAllocator) throws StandardException(Code)(Java Doc) final void fillInScanArgs2(MethodBuilder mb, Optimizable innerTable, int bulkFetch, int colRefItem, int indexColItem, int lockMode, boolean tableLocked, int isolationLevel) throws StandardException(Code)(Java Doc) public boolean ignoreBulkFetch()(Code)(Java Doc) public boolean isHashJoin()(Code)(Java Doc) protected boolean validForOutermostTable()(Code)(Java Doc) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)