Class RealNestedLoopLeftOuterJoinStatistics
- java.lang.Object
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- org.apache.derby.impl.sql.execute.rts.RealBasicNoPutResultSetStatistics
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- org.apache.derby.impl.sql.execute.rts.RealNoPutResultSetStatistics
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- org.apache.derby.impl.sql.execute.rts.RealJoinResultSetStatistics
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- org.apache.derby.impl.sql.execute.rts.RealNestedLoopJoinStatistics
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- org.apache.derby.impl.sql.execute.rts.RealNestedLoopLeftOuterJoinStatistics
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- All Implemented Interfaces:
ResultSetStatistics
,XPLAINable
- Direct Known Subclasses:
RealHashLeftOuterJoinStatistics
public class RealNestedLoopLeftOuterJoinStatistics extends RealNestedLoopJoinStatistics
ResultSetStatistics implemenation for NestedLoopLeftOuterJoinResultSet.
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Field Summary
Fields Modifier and Type Field Description int
emptyRightRowsReturned
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Fields inherited from class org.apache.derby.impl.sql.execute.rts.RealNestedLoopJoinStatistics
leftResultSetStatistics, nodeName, oneRowRightSide, resultSetName, rightResultSetStatistics
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Fields inherited from class org.apache.derby.impl.sql.execute.rts.RealJoinResultSetStatistics
restrictionTime, rowsReturned, rowsSeenLeft, rowsSeenRight, userSuppliedOptimizerOverrides
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Fields inherited from class org.apache.derby.impl.sql.execute.rts.RealNoPutResultSetStatistics
indent, resultSetNumber, sourceDepth, subIndent
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Fields inherited from class org.apache.derby.impl.sql.execute.rts.RealBasicNoPutResultSetStatistics
closeTime, constructorTime, inspectDesc, inspectNum, inspectOverall, nextTime, numOpens, openTime, optimizerEstimatedCost, optimizerEstimatedRowCount, rowsFiltered, rowsSeen
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Constructor Summary
Constructors Constructor Description RealNestedLoopLeftOuterJoinStatistics(int numOpens, int rowsSeen, int rowsFiltered, long constructorTime, long openTime, long nextTime, long closeTime, int resultSetNumber, int rowsSeenLeft, int rowsSeenRight, int rowsReturned, long restrictionTime, double optimizerEstimatedRowCount, double optimizerEstimatedCost, java.lang.String userSuppliedOptimizerOverrides, ResultSetStatistics leftResultSetStatistics, ResultSetStatistics rightResultSetStatistics, int emptyRightRowsReturned)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.Object
getResultSetDescriptor(java.lang.Object rsID, java.lang.Object parentID, java.lang.Object scanID, java.lang.Object sortID, java.lang.Object stmtID, java.lang.Object timingID)
java.lang.String
getRSXplainDetails()
java.lang.String
getRSXplainType()
java.lang.String
getScanStatisticsText(java.lang.String tableName, int depth)
Return information on the scan nodes from the statement execution plan as a String.java.lang.String
getStatementExecutionPlanText(int depth)
Return the statement execution plan as a String.protected void
setNames()
java.lang.String
toString()
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Methods inherited from class org.apache.derby.impl.sql.execute.rts.RealNestedLoopJoinStatistics
accept, getChildren, getNodeName
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Methods inherited from class org.apache.derby.impl.sql.execute.rts.RealJoinResultSetStatistics
getResultSetTimingsDescriptor
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Methods inherited from class org.apache.derby.impl.sql.execute.rts.RealNoPutResultSetStatistics
initFormatInfo
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Methods inherited from class org.apache.derby.impl.sql.execute.rts.RealBasicNoPutResultSetStatistics
dumpEstimatedCosts, dumpTimeStats, getChildrenTime, getEstimatedRowCount, getNodeOn, getNodeTime, getScanPropsDescriptor, getSortPropsDescriptor, getTotalTime
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Constructor Detail
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RealNestedLoopLeftOuterJoinStatistics
public RealNestedLoopLeftOuterJoinStatistics(int numOpens, int rowsSeen, int rowsFiltered, long constructorTime, long openTime, long nextTime, long closeTime, int resultSetNumber, int rowsSeenLeft, int rowsSeenRight, int rowsReturned, long restrictionTime, double optimizerEstimatedRowCount, double optimizerEstimatedCost, java.lang.String userSuppliedOptimizerOverrides, ResultSetStatistics leftResultSetStatistics, ResultSetStatistics rightResultSetStatistics, int emptyRightRowsReturned)
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Method Detail
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getStatementExecutionPlanText
public java.lang.String getStatementExecutionPlanText(int depth)
Return the statement execution plan as a String.- Specified by:
getStatementExecutionPlanText
in interfaceResultSetStatistics
- Overrides:
getStatementExecutionPlanText
in classRealNestedLoopJoinStatistics
- Parameters:
depth
- Indentation level.- Returns:
- String The statement execution plan as a String.
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getScanStatisticsText
public java.lang.String getScanStatisticsText(java.lang.String tableName, int depth)
Return information on the scan nodes from the statement execution plan as a String.- Specified by:
getScanStatisticsText
in interfaceResultSetStatistics
- Overrides:
getScanStatisticsText
in classRealNestedLoopJoinStatistics
- Parameters:
depth
- Indentation level.tableName
- if not NULL then print information for this table only- Returns:
- String The information on the scan nodes from the statement execution plan as a String.
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toString
public java.lang.String toString()
- Overrides:
toString
in classRealNestedLoopJoinStatistics
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setNames
protected void setNames()
- Overrides:
setNames
in classRealNestedLoopJoinStatistics
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getRSXplainType
public java.lang.String getRSXplainType()
- Specified by:
getRSXplainType
in interfaceXPLAINable
- Overrides:
getRSXplainType
in classRealNestedLoopJoinStatistics
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getRSXplainDetails
public java.lang.String getRSXplainDetails()
- Specified by:
getRSXplainDetails
in interfaceXPLAINable
- Overrides:
getRSXplainDetails
in classRealNestedLoopJoinStatistics
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getResultSetDescriptor
public java.lang.Object getResultSetDescriptor(java.lang.Object rsID, java.lang.Object parentID, java.lang.Object scanID, java.lang.Object sortID, java.lang.Object stmtID, java.lang.Object timingID)
- Specified by:
getResultSetDescriptor
in interfaceXPLAINable
- Overrides:
getResultSetDescriptor
in classRealJoinResultSetStatistics
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