Top Description Fields Constructors Methods
org.apache.derby.impl.sql.execute.rts

public Class RealWindowResultSetStatistics

extends RealNoPutResultSetStatistics
Class Inheritance
Imports
org.apache.derby.iapi.sql.execute.ResultSetStatistics, org.apache.derby.shared.common.i18n.MessageService, org.apache.derby.impl.sql.execute.xplain.XPLAINUtil, org.apache.derby.iapi.sql.execute.xplain.XPLAINVisitor, org.apache.derby.shared.common.reference.SQLState
ResultSetStatistics implementation for WindowResultSet.

Field Summary

Modifier and TypeField and Description
private ResultSetStatistics
childResultSetStatistics

Inherited from org.apache.derby.impl.sql.execute.rts.RealNoPutResultSetStatistics:
indentresultSetNumbersourceDepthsubIndent

Constructor Summary

AccessConstructor and Description
public
RealWindowResultSetStatistics(int numOpens, int rowsSeen, int rowsFiltered, long constructorTime, long openTime, long nextTime, long closeTime, int resultSetNumber, double optimizerEstimatedRowCount, double optimizerEstimatedCost, ResultSetStatistics childResultSetStatistics)

Constructor.

Method Summary

Modifier and TypeMethod and Description
public void
accept(XPLAINVisitor visitor)

Implements org.apache.derby.iapi.sql.execute.xplain.XPLAINable.accept.

This method gets called to let a visitor visit this XPLAINable object.

public Vector<ResultSetStatistics>
getChildren()

Overrides org.apache.derby.impl.sql.execute.rts.RealBasicNoPutResultSetStatistics.getChildren.

RealBasicNoPutResultSetStatistics override.

public String
getNodeName()

Implements abstract org.apache.derby.impl.sql.execute.rts.RealBasicNoPutResultSetStatistics.getNodeName.

RealBasicNoPutResultSetStatistics override.

public String
getNodeOn()

Overrides org.apache.derby.impl.sql.execute.rts.RealBasicNoPutResultSetStatistics.getNodeOn.

RealBasicNoPutResultSetStatistics override.

public String
getRSXplainType()

Implements org.apache.derby.iapi.sql.execute.xplain.XPLAINable.getRSXplainType.

public String

Returns:

String The information on the scan nodes from the statement execution plan as a String.
getScanStatisticsText(String
if not NULL then print information for this table only
tableName, int
Indentation level.
depth)

Implements org.apache.derby.iapi.sql.execute.ResultSetStatistics.getScanStatisticsText.

Return information on the scan nodes from the statement execution plan as a String.

public String

Returns:

String The statement execution plan as a String.
getStatementExecutionPlanText(int
Indentation level.
depth)

Implements org.apache.derby.iapi.sql.execute.ResultSetStatistics.getStatementExecutionPlanText.

Return the statement execution plan as a String.

public String
toString()

Overrides java.lang.Object.toString.

Returns a string representation of the object.

Inherited from org.apache.derby.impl.sql.execute.rts.RealNoPutResultSetStatistics:
initFormatInfo

Field Detail

childResultSetStatisticsback to summary
private ResultSetStatistics childResultSetStatistics

Constructor Detail

RealWindowResultSetStatisticsback to summary
public RealWindowResultSetStatistics(int numOpens, int rowsSeen, int rowsFiltered, long constructorTime, long openTime, long nextTime, long closeTime, int resultSetNumber, double optimizerEstimatedRowCount, double optimizerEstimatedCost, ResultSetStatistics childResultSetStatistics)

Constructor.

Method Detail

acceptback to summary
public void accept(XPLAINVisitor visitor)

Implements org.apache.derby.iapi.sql.execute.xplain.XPLAINable.accept.

Doc from org.apache.derby.iapi.sql.execute.xplain.XPLAINable.accept.

This method gets called to let a visitor visit this XPLAINable object. The general contract is to implement pre-order, depth-first traversal to produce a predictable traversal behaviour.

getChildrenback to summary
public Vector<ResultSetStatistics> getChildren()

Overrides org.apache.derby.impl.sql.execute.rts.RealBasicNoPutResultSetStatistics.getChildren.

RealBasicNoPutResultSetStatistics override.

Returns:Vector<ResultSetStatistics>

Doc from org.apache.derby.impl.sql.execute.rts.RealBasicNoPutResultSetStatistics.getChildren.

java.util.Vector A vector of objects.

See Also
RealBasicNoPutResultSetStatistics#getChildren
getNodeNameback to summary
public String getNodeName()

Implements abstract org.apache.derby.impl.sql.execute.rts.RealBasicNoPutResultSetStatistics.getNodeName.

RealBasicNoPutResultSetStatistics override.

See Also
RealBasicNoPutResultSetStatistics#getNodeName
getNodeOnback to summary
public String getNodeOn()

Overrides org.apache.derby.impl.sql.execute.rts.RealBasicNoPutResultSetStatistics.getNodeOn.

RealBasicNoPutResultSetStatistics override.

See Also
RealBasicNoPutResultSetStatistics#getNodeOn
getRSXplainTypeback to summary
public String getRSXplainType()

Implements org.apache.derby.iapi.sql.execute.xplain.XPLAINable.getRSXplainType.

getScanStatisticsTextback to summary
public String getScanStatisticsText(String tableName, int depth)

Implements org.apache.derby.iapi.sql.execute.ResultSetStatistics.getScanStatisticsText.

Return information on the scan nodes from the statement execution plan as a String.

Parameters
tableName:String

if not NULL then print information for this table only

depth:int

Indentation level.

Returns:String

String The information on the scan nodes from the statement execution plan as a String.

getStatementExecutionPlanTextback to summary
public String getStatementExecutionPlanText(int depth)

Implements org.apache.derby.iapi.sql.execute.ResultSetStatistics.getStatementExecutionPlanText.

Return the statement execution plan as a String.

Parameters
depth:int

Indentation level.

Returns:String

String The statement execution plan as a String.

toStringback to summary
public String toString()

Overrides java.lang.Object.toString.

Doc from java.lang.Object.toString.

Returns a string representation of the object. Satisfying this method's contract implies a non-null result must be returned.

Returns:String

a string representation of the object