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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.WriteCursorConstantAction
      org.apache.derby.impl.sql.execute.UpdateConstantAction

UpdateConstantAction
public class UpdateConstantAction extends WriteCursorConstantAction (Code)
This class describes compiled constants that are passed into UpdateResultSets.
author:
   Rick Hillegas


Field Summary
 int[]changedColumnIds
     This class implements Formatable.
 intnumColumns
    

Constructor Summary
public  UpdateConstantAction()
     Public niladic constructor.
public  UpdateConstantAction(long conglomId, StaticCompiledOpenConglomInfo heapSCOCI, IndexRowGenerator[] irgs, long[] indexCIDS, StaticCompiledOpenConglomInfo[] indexSCOCIs, String[] indexNames, ExecRow emptyHeapRow, boolean deferred, UUID targetUUID, int lockMode, int[] changedColumnIds, FKInfo[] fkInfo, TriggerInfo triggerInfo, FormatableBitSet baseRowReadList, int[] baseRowReadMap, int[] streamStorableHeapColIds, int numColumns, boolean positionedUpdate, boolean singleRowSource)
     Make the ConstantAction for an UPDATE statement.
Parameters:
  conglomId - Conglomerate ID.
Parameters:
  heapSCOCI - StaticCompiledOpenConglomInfo for heap.
Parameters:
  irgs - Index descriptors
Parameters:
  indexCIDS - Conglomerate IDs of indices
Parameters:
  indexSCOCIs - StaticCompiledOpenConglomInfos for indexes.
Parameters:
  indexNames - Names of indices on this table for error reporting.
Parameters:
  emptyHeapRow - Template for heap row.
Parameters:
  deferred - True means process as a deferred update.
Parameters:
  targetUUID - UUID of target table
Parameters:
  lockMode - The lock mode to use(row or table, see TransactionController)
Parameters:
  changedColumnIds - Array of ids of changed columns
Parameters:
  fkInfo - Array of structures containing foreign key info, if any (may be null)
Parameters:
  triggerInfo - Array of structures containing trigger info, if any (may be null)
Parameters:
  baseRowReadList - Map of columns read in.

Method Summary
public  intgetTypeFormatId()
     Get the formatID which corresponds to this class.
public  voidreadExternal(ObjectInput in)
    
public  voidwriteExternal(ObjectOutput out)
    

Field Detail
changedColumnIds
int[] changedColumnIds(Code)
This class implements Formatable. But it is NOT used across either major or minor releases. It is only written persistently in stored prepared statements, not in the replication stage. SO, IT IS OK TO CHANGE ITS read/writeExternal.



numColumns
int numColumns(Code)




Constructor Detail
UpdateConstantAction
public UpdateConstantAction()(Code)
Public niladic constructor. Needed for Formatable interface to work.



UpdateConstantAction
public UpdateConstantAction(long conglomId, StaticCompiledOpenConglomInfo heapSCOCI, IndexRowGenerator[] irgs, long[] indexCIDS, StaticCompiledOpenConglomInfo[] indexSCOCIs, String[] indexNames, ExecRow emptyHeapRow, boolean deferred, UUID targetUUID, int lockMode, int[] changedColumnIds, FKInfo[] fkInfo, TriggerInfo triggerInfo, FormatableBitSet baseRowReadList, int[] baseRowReadMap, int[] streamStorableHeapColIds, int numColumns, boolean positionedUpdate, boolean singleRowSource)(Code)
Make the ConstantAction for an UPDATE statement.
Parameters:
  conglomId - Conglomerate ID.
Parameters:
  heapSCOCI - StaticCompiledOpenConglomInfo for heap.
Parameters:
  irgs - Index descriptors
Parameters:
  indexCIDS - Conglomerate IDs of indices
Parameters:
  indexSCOCIs - StaticCompiledOpenConglomInfos for indexes.
Parameters:
  indexNames - Names of indices on this table for error reporting.
Parameters:
  emptyHeapRow - Template for heap row.
Parameters:
  deferred - True means process as a deferred update.
Parameters:
  targetUUID - UUID of target table
Parameters:
  lockMode - The lock mode to use(row or table, see TransactionController)
Parameters:
  changedColumnIds - Array of ids of changed columns
Parameters:
  fkInfo - Array of structures containing foreign key info, if any (may be null)
Parameters:
  triggerInfo - Array of structures containing trigger info, if any (may be null)
Parameters:
  baseRowReadList - Map of columns read in. 1 based.
Parameters:
  baseRowReadMap - BaseRowReadMap[heapColId]->ReadRowColumnId. (0 based)
Parameters:
  streamStorableHeapColIds - Null for non rep. (0 based)
Parameters:
  numColumns - Number of columns being read.
Parameters:
  positionedUpdate - is this a positioned update
Parameters:
  singleRowSource - Whether or not source is a single row source




Method Detail
getTypeFormatId
public int getTypeFormatId()(Code)
Get the formatID which corresponds to this class. the formatID of this class



readExternal
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException(Code)

See Also:   java.io.Externalizable.readExternal
exception:
  IOException - thrown on error
exception:
  ClassNotFoundException - thrown on error



writeExternal
public void writeExternal(ObjectOutput out) throws IOException(Code)

See Also:   java.io.Externalizable.writeExternal
exception:
  IOException - thrown on error



Fields inherited from org.apache.derby.impl.sql.execute.WriteCursorConstantAction
long conglomId(Code)(Java Doc)
boolean deferred(Code)(Java Doc)
StaticCompiledOpenConglomInfo heapSCOCI(Code)(Java Doc)
long[] indexCIDS(Code)(Java Doc)
String[] indexNames(Code)(Java Doc)
StaticCompiledOpenConglomInfo[] indexSCOCIs(Code)(Java Doc)
IndexRowGenerator[] irgs(Code)(Java Doc)
int lockMode(Code)(Java Doc)
boolean singleRowSource(Code)(Java Doc)
UUID targetUUID(Code)(Java Doc)

Methods inherited from org.apache.derby.impl.sql.execute.WriteCursorConstantAction
final public void executeConstantAction(Activation activation) throws StandardException(Code)(Java Doc)
public FormatableBitSet getBaseRowReadList()(Code)(Java Doc)
public int[] getBaseRowReadMap()(Code)(Java Doc)
public long getConglomerateId()(Code)(Java Doc)
public ExecRow getEmptyHeapRow(LanguageConnectionContext lcc) throws StandardException(Code)(Java Doc)
public FKInfo[] getFKInfo(ExecutionContext ec) throws StandardException(Code)(Java Doc)
public String getIndexNameFromCID(long indexCID)(Code)(Java Doc)
public String[] getIndexNames()(Code)(Java Doc)
public String getProperty(String key)(Code)(Java Doc)
public int[] getStreamStorableHeapColIds()(Code)(Java Doc)
public Properties getTargetProperties()(Code)(Java Doc)
public TriggerInfo getTriggerInfo(ExecutionContext ec) throws StandardException(Code)(Java Doc)
public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException(Code)(Java Doc)
public void writeExternal(ObjectOutput out) throws IOException(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)

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