Class IndexRow

java.lang.Object

org.apache.derby.impl.sql.execute.ValueRow

org.apache.derby.impl.sql.execute.IndexRow

All Implemented Interfaces:

ExecIndexRow, ExecRow, Row

class IndexRow
extends ValueRow
implements ExecIndexRow

Basic implementation of ExecIndexRow.

Field Summary

Fields

Modifier and Type	Field	Description
private boolean[]	orderedNulls	////////////////////////////////////////////////////////////////////

Constructor Summary

Constructors

Constructor	Description
IndexRow(int ncols)	////////////////////////////////////////////////////////////////////

Method Summary

Modifier and Type	Method	Description
boolean	areNullsOrdered(int columnPosition)	Return true if orderedNulls was called on this ExecIndexRow for the given column position.
(package private) ExecRow	cloneMe()
void	execRowToExecIndexRow(ExecRow valueRow)	Turn the ExecRow into an ExecIndexRow.
void	orderedNulls(int columnPosition)	////////////////////////////////////////////////////////////////////

Methods inherited from class ValueRow

cloneColumn, getClone, getClone, getColumn, getNewNullRow, getNewObjectArray, getRowArray, getRowArrayClone, nColumns, realloc, resetRowArray, setColumn, setRowArray, toString

Methods inherited from class Object

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

Methods inherited from interface ExecRow

cloneColumn, getClone, getClone, getNewNullRow, getNewObjectArray, getRowArray, getRowArrayClone, resetRowArray, setRowArray

Methods inherited from interface Row

getColumn, nColumns, setColumn

Field Details

orderedNulls

private boolean[] orderedNulls

////////////////////////////////////////////////////////////////////

Constructor Details

IndexRow

IndexRow(int ncols)

////////////////////////////////////////////////////////////////////

Method Details

orderedNulls

public void orderedNulls(int columnPosition)

////////////////////////////////////////////////////////////////////

Specified by:

orderedNulls in interface ExecIndexRow

Parameters:

columnPosition - The position of the column that uses ordered null semantics (zero-based).

areNullsOrdered

public boolean areNullsOrdered(int columnPosition)

Description copied from interface: ExecIndexRow

Return true if orderedNulls was called on this ExecIndexRow for the given column position.

Specified by:

areNullsOrdered in interface ExecIndexRow

Parameters:

columnPosition - The position of the column (zero-based) for which we want to check if ordered null semantics are used.

Returns:

true if we are to use ordered null semantics on the given column

execRowToExecIndexRow

public void execRowToExecIndexRow(ExecRow valueRow)

Turn the ExecRow into an ExecIndexRow.

Specified by:

execRowToExecIndexRow in interface ExecIndexRow

cloneMe

ExecRow cloneMe()

Overrides:

cloneMe in class ValueRow