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Java Source Code / Java Documentation » Database DBMS » db derby 10.2 » org.apache.derby.impl.sql.execute   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.derby.impl.sql.execute.BasicNoPutResultSetImpl       org.apache.derby.impl.sql.execute.NoPutResultSetImpl          org.apache.derby.impl.sql.execute.DependentResultSet DependentResultSet class DependentResultSet extends NoPutResultSetImpl implements CursorResultSet(Code) DependentResultSet should be used by only ON DELETE CASCADE/ON DELETE SET NULL ref actions implementation to gather the rows from the dependent tables. Idea is to scan the foreign key index for the rows in the source table matelized temporary result set. Scanning of foreign key index gives us the rows that needs to be deleted on dependent tables. Using the row location we got from the index , base row is fetched. Field Summary protected  FormatableBitSet accessedCols       RowLocation baseRowLocation      protected  ExecRow candidate      public  boolean coarserLock      protected  long conglomId       boolean deferred      protected  boolean firstScan       int[] fkColArray      public  boolean forUpdate       ConglomerateController heapCC      protected  DynamicCompiledOpenConglomInfo heapDcoci      protected  StaticCompiledOpenConglomInfo heapScoci       DynamicCompiledOpenConglomInfo indexDcoci      public  String indexName       IndexRow indexQualifierRow       ExecRow indexRow       ScanController indexSC       StaticCompiledOpenConglomInfo indexScoci      public  boolean isConstraint      protected  boolean isKeyed       boolean isOpen      public  int isolationLevel      public  int lockMode       int numFkColumns      public  boolean oneRowScan       String parentResultSetId      protected  Qualifier[][] qualifiers      protected  GeneratedMethod resultRowAllocator       RowLocation rowLocation      public  int rowsPerRead      protected  long rowsThisScan      protected  boolean runTimeStatisticsOn       int sArrayIndex       Vector sVector      protected  ScanController scanController      protected  boolean scanControllerOpened       ExecRow searchRow       TemporaryRowHolderResultSet source       int[] sourceOpened       TemporaryRowHolderResultSet[] sourceResultSets       TemporaryRowHolder[] sourceRowHolders      protected  GeneratedMethod startKeyGetter      protected  ExecIndexRow startPosition      public  String startPositionString      protected  int startSearchOperator      protected  GeneratedMethod stopKeyGetter      protected  ExecIndexRow stopPosition      public  String stopPositionString      protected  int stopSearchOperator      public  String tableName       TransactionController tc      public  String userSuppliedOptimizerOverrides      Constructor Summary   DependentResultSet(long conglomId, StaticCompiledOpenConglomInfo scoci, Activation activation, GeneratedMethod resultRowAllocator, int resultSetNumber, GeneratedMethod startKeyGetter, int startSearchOperator, GeneratedMethod stopKeyGetter, int stopSearchOperator, boolean sameStartStopPosition, Qualifier[][] qualifiers, String tableName, String userSuppliedOptimizerOverrides, String indexName, boolean isConstraint, boolean forUpdate, int colRefItem, int lockMode, boolean tableLocked, int isolationLevel, int rowsPerRead, boolean oneRowScan, double optimizerEstimatedRowCount, double optimizerEstimatedCost, String parentResultSetId, long fkIndexConglomId, int fkColArrayItem, int rltItem)      Method Summary public  void close()      Close the all the opens we did in this result set. public  void finish()      public  ExecRow getCurrentRow()      public  ExecRow getNextRowCore()      public  RowLocation getRowLocation()      public  Properties getScanProperties()      public  long getTimeSpent(int type)      public  void openCore()      public  ConglomerateController openHeapConglomerateController()      public  String printQualifiers()      public  String printStartPosition()      public  String printStopPosition()      Field Detail accessedCols protected FormatableBitSet accessedCols(Code) baseRowLocation RowLocation baseRowLocation(Code) candidate protected ExecRow candidate(Code) coarserLock public boolean coarserLock(Code) conglomId protected long conglomId(Code) deferred boolean deferred(Code) firstScan protected boolean firstScan(Code) fkColArray int[] fkColArray(Code) forUpdate public boolean forUpdate(Code) heapCC ConglomerateController heapCC(Code) heapDcoci protected DynamicCompiledOpenConglomInfo heapDcoci(Code) heapScoci protected StaticCompiledOpenConglomInfo heapScoci(Code) indexDcoci DynamicCompiledOpenConglomInfo indexDcoci(Code) indexName public String indexName(Code) indexQualifierRow IndexRow indexQualifierRow(Code) indexRow ExecRow indexRow(Code) indexSC ScanController indexSC(Code) indexScoci StaticCompiledOpenConglomInfo indexScoci(Code) isConstraint public boolean isConstraint(Code) isKeyed protected boolean isKeyed(Code) isOpen boolean isOpen(Code) isolationLevel public int isolationLevel(Code) lockMode public int lockMode(Code) numFkColumns int numFkColumns(Code) oneRowScan public boolean oneRowScan(Code) parentResultSetId String parentResultSetId(Code) qualifiers protected Qualifier[][] qualifiers(Code) resultRowAllocator protected GeneratedMethod resultRowAllocator(Code) rowLocation RowLocation rowLocation(Code) rowsPerRead public int rowsPerRead(Code) rowsThisScan protected long rowsThisScan(Code) runTimeStatisticsOn protected boolean runTimeStatisticsOn(Code) sArrayIndex int sArrayIndex(Code) sVector Vector sVector(Code) scanController protected ScanController scanController(Code) scanControllerOpened protected boolean scanControllerOpened(Code) searchRow ExecRow searchRow(Code) source TemporaryRowHolderResultSet source(Code) sourceOpened int[] sourceOpened(Code) sourceResultSets TemporaryRowHolderResultSet[] sourceResultSets(Code) sourceRowHolders TemporaryRowHolder[] sourceRowHolders(Code) startKeyGetter protected GeneratedMethod startKeyGetter(Code) startPosition protected ExecIndexRow startPosition(Code) startPositionString public String startPositionString(Code) startSearchOperator protected int startSearchOperator(Code) stopKeyGetter protected GeneratedMethod stopKeyGetter(Code) stopPosition protected ExecIndexRow stopPosition(Code) stopPositionString public String stopPositionString(Code) stopSearchOperator protected int stopSearchOperator(Code) tableName public String tableName(Code) tc TransactionController tc(Code) userSuppliedOptimizerOverrides public String userSuppliedOptimizerOverrides(Code) Constructor Detail DependentResultSet DependentResultSet(long conglomId, StaticCompiledOpenConglomInfo scoci, Activation activation, GeneratedMethod resultRowAllocator, int resultSetNumber, GeneratedMethod startKeyGetter, int startSearchOperator, GeneratedMethod stopKeyGetter, int stopSearchOperator, boolean sameStartStopPosition, Qualifier[][] qualifiers, String tableName, String userSuppliedOptimizerOverrides, String indexName, boolean isConstraint, boolean forUpdate, int colRefItem, int lockMode, boolean tableLocked, int isolationLevel, int rowsPerRead, boolean oneRowScan, double optimizerEstimatedRowCount, double optimizerEstimatedCost, String parentResultSetId, long fkIndexConglomId, int fkColArrayItem, int rltItem) throws StandardException(Code) Method Detail close public void close() throws StandardException(Code) Close the all the opens we did in this result set. finish public void finish() throws StandardException(Code) getCurrentRow public ExecRow getCurrentRow() throws StandardException(Code) getNextRowCore public ExecRow getNextRowCore() throws StandardException(Code) getRowLocation public RowLocation getRowLocation() throws StandardException(Code) getScanProperties public Properties getScanProperties()(Code) getTimeSpent public long getTimeSpent(int type)(Code) openCore public void openCore() throws StandardException(Code) openHeapConglomerateController public ConglomerateController openHeapConglomerateController() throws StandardException(Code) printQualifiers public String printQualifiers()(Code) Return an array of Qualifiers as a String printStartPosition public String printStartPosition()(Code) printStopPosition public String printStopPosition()(Code) Fields inherited from org.apache.derby.impl.sql.execute.NoPutResultSetImpl GeneratedMethod checkGM(Code)(Java Doc) protected int[] checkNullCols(Code)(Java Doc) protected ExecRow clonedExecRow(Code)(Java Doc) protected int cncLen(Code)(Java Doc) long heapConglomerate(Code)(Java Doc) protected String indent(Code)(Java Doc) final public int resultSetNumber(Code)(Java Doc) protected int sourceDepth(Code)(Java Doc) protected String subIndent(Code)(Java Doc) protected TargetResultSet targetResultSet(Code)(Java Doc) Methods inherited from org.apache.derby.impl.sql.execute.NoPutResultSetImpl final public void clearCurrentRow()(Code)(Java Doc) protected void clearOrderableCache(Qualifier[][] qualifiers) throws StandardException(Code)(Java Doc) public void close() throws StandardException(Code)(Java Doc) public void closeRowSource()(Code)(Java Doc) public String getCursorName()(Code)(Java Doc) public DataValueDescriptor[] getNextRowFromRowSource() throws StandardException(Code)(Java Doc) public ResultDescription getResultDescription()(Code)(Java Doc) public FormatableBitSet getValidColumns()(Code)(Java Doc) public boolean isForUpdate()(Code)(Java Doc) public void markRowAsDeleted() throws StandardException(Code)(Java Doc) public boolean needsRowLocation()(Code)(Java Doc) public boolean needsToClone()(Code)(Java Doc) public void positionScanAtRowLocation(RowLocation rl) throws StandardException(Code)(Java Doc) public static String printQualifiers(Qualifier[][] qualifiers)(Code)(Java Doc) public int resultSetNumber()(Code)(Java Doc) public void rowLocation(RowLocation rl) throws StandardException(Code)(Java Doc) protected void setCheckConstraints(GeneratedMethod checkGM)(Code)(Java Doc) final public void setCurrentRow(ExecRow row)(Code)(Java Doc) protected void setHeapConglomerate(long heapConglomerate)(Code)(Java Doc) public void setNeedsRowLocation(boolean needsRowLocation)(Code)(Java Doc) public void setTargetResultSet(TargetResultSet trs)(Code)(Java Doc) protected boolean skipRow(ExecRow row) throws StandardException(Code)(Java Doc) protected boolean skipScan(ExecIndexRow startPosition, ExecIndexRow stopPosition) throws StandardException(Code)(Java Doc) public void updateRow(ExecRow row) throws StandardException(Code)(Java Doc) Fields inherited from org.apache.derby.impl.sql.execute.BasicNoPutResultSetImpl protected Activation activation(Code)(Java Doc) public long beginTime(Code)(Java Doc) public long closeTime(Code)(Java Doc) ExecRow compactRow(Code)(Java Doc) public long constructorTime(Code)(Java Doc) protected ExecRow currentRow(Code)(Java Doc) protected long endExecutionTime(Code)(Java Doc) protected boolean finished(Code)(Java Doc) protected boolean isOpen(Code)(Java Doc) protected boolean isTopResultSet(Code)(Java Doc) protected LanguageConnectionContext lcc(Code)(Java Doc) public long nextTime(Code)(Java Doc) public int numOpens(Code)(Java Doc) public long openTime(Code)(Java Doc) public double optimizerEstimatedCost(Code)(Java Doc) public double optimizerEstimatedRowCount(Code)(Java Doc) ResultDescription resultDescription(Code)(Java Doc) public int rowsFiltered(Code)(Java Doc) public int rowsSeen(Code)(Java Doc) protected long startExecutionTime(Code)(Java Doc) public NoPutResultSet[] subqueryTrackingArray(Code)(Java Doc) Methods inherited from org.apache.derby.impl.sql.execute.BasicNoPutResultSetImpl final protected void addWarning(SQLWarning w)(Code)(Java Doc) protected void attachStatementContext() throws StandardException(Code)(Java Doc) public void checkCancellationFlag() throws StandardException(Code)(Java Doc) public boolean checkRowPosition(int isType) throws StandardException(Code)(Java Doc) public void cleanUp() throws StandardException(Code)(Java Doc) final protected String dumpTimeStats(String indent, String subIndent)(Code)(Java Doc) public void finish() throws StandardException(Code)(Java Doc) final protected void finishAndRTS() throws StandardException(Code)(Java Doc) public ExecRow getAbsoluteRow(int row) throws StandardException(Code)(Java Doc) final public Activation getActivation()(Code)(Java Doc) public ResultSet getAutoGeneratedKeysResultset()(Code)(Java Doc) public Timestamp getBeginExecutionTimestamp()(Code)(Java Doc) protected ExecRow getCompactRow(ExecRow candidate, FormatableBitSet accessedCols, FormatableBitSet otherCols, boolean isKeyed) throws StandardException(Code)(Java Doc) final protected long getCurrentTimeMillis()(Code)(Java Doc) final protected long getElapsedMillis(long beginTime)(Code)(Java Doc) public Timestamp getEndExecutionTimestamp()(Code)(Java Doc) public double getEstimatedRowCount()(Code)(Java Doc) public long getExecuteTime()(Code)(Java Doc) final ExecutionFactory getExecutionFactory()(Code)(Java Doc) public ExecRow getFirstRow() throws StandardException(Code)(Java Doc) final protected LanguageConnectionContext getLanguageConnectionContext()(Code)(Java Doc) public ExecRow getLastRow() throws StandardException(Code)(Java Doc) final public ExecRow getNextRow() throws StandardException(Code)(Java Doc) abstract public ExecRow getNextRowCore() throws StandardException(Code)(Java Doc) public int getPointOfAttachment()(Code)(Java Doc) public ExecRow getPreviousRow() throws StandardException(Code)(Java Doc) public ExecRow getRelativeRow(int row) throws StandardException(Code)(Java Doc) public ResultDescription getResultDescription()(Code)(Java Doc) public int getRowNumber()(Code)(Java Doc) public int getScanIsolationLevel()(Code)(Java Doc) final public NoPutResultSet[] getSubqueryTrackingArray(int numSubqueries)(Code)(Java Doc) final TransactionController getTransactionController()(Code)(Java Doc) final public SQLWarning getWarnings()(Code)(Java Doc) public boolean isClosed()(Code)(Java Doc) public boolean isForUpdate()(Code)(Java Doc) public void markAsTopResultSet()(Code)(Java Doc) final public int modifiedRowCount()(Code)(Java Doc) final public void open() throws StandardException(Code)(Java Doc) abstract public void openCore() throws StandardException(Code)(Java Doc) public void reopenCore() throws StandardException(Code)(Java Doc) public boolean requiresRelocking()(Code)(Java Doc) public int resultSetNumber()(Code)(Java Doc) public boolean returnsRows()(Code)(Java Doc) public ExecRow setAfterLastRow() throws StandardException(Code)(Java Doc) public ExecRow setBeforeFirstRow() throws StandardException(Code)(Java Doc) protected ExecRow setCompactRow(ExecRow candidateRow, ExecRow compactRow)(Code)(Java Doc) final protected void setCompatRow(ExecRow compactRow, Object[] sourceRow)(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)