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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

All known Subclasses:   org.apache.derby.impl.sql.compile.NestedLoopJoinStrategy,  org.apache.derby.impl.sql.compile.HashJoinStrategy,
BaseJoinStrategy
abstract class BaseJoinStrategy implements JoinStrategy(Code)



Constructor Summary
 BaseJoinStrategy()
    

Method Summary
public  booleanbulkFetchOK()
    
 voidfillInScanArgs1(TransactionController tc, MethodBuilder mb, Optimizable innerTable, OptimizablePredicateList predList, ExpressionClassBuilderInterface acbi, MethodBuilder resultRowAllocator)
     Push the first set of common arguments for obtaining a scan ResultSet from ResultSetFactory.
final  voidfillInScanArgs2(MethodBuilder mb, Optimizable innerTable, int bulkFetch, int colRefItem, int indexColItem, int lockMode, boolean tableLocked, int isolationLevel)
    
public  booleanignoreBulkFetch()
    
public  booleanisHashJoin()
    
protected  booleanvalidForOutermostTable()
     Can this join strategy be used on the outermost table of a join.


Constructor Detail
BaseJoinStrategy
BaseJoinStrategy()(Code)




Method Detail
bulkFetchOK
public boolean bulkFetchOK()(Code)

See Also:   JoinStrategy.bulkFetchOK
See Also:   



fillInScanArgs1
void fillInScanArgs1(TransactionController tc, MethodBuilder mb, Optimizable innerTable, OptimizablePredicateList predList, ExpressionClassBuilderInterface acbi, MethodBuilder resultRowAllocator) throws StandardException(Code)
Push the first set of common arguments for obtaining a scan ResultSet from ResultSetFactory. The first 11 arguments are common for these ResultSet getters
  • ResultSetFactory.getBulkTableScanResultSet
  • ResultSetFactory.getHashScanResultSet
  • ResultSetFactory.getTableScanResultSet
  • ResultSetFactory.getRaDependentTableScanResultSet

Parameters:
  tc -
Parameters:
  mb -
Parameters:
  innerTable -
Parameters:
  predList -
Parameters:
  acbi -
Parameters:
  resultRowAllocator -
throws:
  StandardException -



fillInScanArgs2
final void fillInScanArgs2(MethodBuilder mb, Optimizable innerTable, int bulkFetch, int colRefItem, int indexColItem, int lockMode, boolean tableLocked, int isolationLevel) throws StandardException(Code)



ignoreBulkFetch
public boolean ignoreBulkFetch()(Code)

See Also:   JoinStrategy.ignoreBulkFetch
See Also:   



isHashJoin
public boolean isHashJoin()(Code)

See Also:   JoinStrategy.isHashJoin



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 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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