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org.apache.derby.impl.sql.execute
Class HashJoinResultSet  

java.lang.Object
  org.apache.derby.impl.sql.execute.BasicNoPutResultSetImpl
      org.apache.derby.impl.sql.execute.NoPutResultSetImpl
          org.apache.derby.impl.sql.execute.JoinResultSet
              org.apache.derby.impl.sql.execute.NestedLoopJoinResultSet
                  org.apache.derby.impl.sql.execute.HashJoinResultSet

All Implemented Interfaces:

org.apache.derby.iapi.sql.execute.CursorResultSet, org.apache.derby.iapi.sql.execute.NoPutResultSet, org.apache.derby.iapi.sql.ResultSet, org.apache.derby.iapi.store.access.RowLocationRetRowSource, org.apache.derby.iapi.store.access.RowSource

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public class HashJoinResultSet

extends NestedLoopJoinResultSet

Hash join of 2 arbitrary result sets. Simple subclass of nested loop, differentiated to ease RunTimeStatistics output generation.

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Field Summary

 

Fields inherited from class org.apache.derby.impl.sql.execute.NestedLoopJoinResultSet

 

Fields inherited from class org.apache.derby.impl.sql.execute.JoinResultSet

activation, beginTime, checkGM, checkNullCols, clonedExecRow, closeCleanup, closeTime, cncLen, compactRow, constructorTime, currentRow, endExecutionTime, finished, heapConglomerate, indent, isOpen, isRightOpen, isTopResultSet, lcc, leftNumCols, leftResultSet, leftRow, mergedRow, nextTime, notExistsRightSide, numOpens, oneRowRightSide, openTime, optimizerEstimatedCost, optimizerEstimatedRowCount, restriction, restrictionTime, resultDescription, resultSetNumber, rightNumCols, rightResultSet, rightRow, rowsFiltered, rowsReturned, rowsSeen, rowsSeenLeft, rowsSeenRight, sourceDepth, startExecutionTime, subIndent, subqueryTrackingArray, targetResultSet

 

Fields inherited from interface org.apache.derby.iapi.sql.ResultSet

CURRENT_RESULTSET_ONLY, ENTIRE_RESULTSET_TREE, ISAFTERLAST, ISBEFOREFIRST, ISFIRST, ISLAST

 

Fields inherited from interface org.apache.derby.iapi.sql.execute.NoPutResultSet

ABSOLUTE, FIRST, LAST, NEXT, PREVIOUS, RELATIVE

 

Constructor Summary

HashJoinResultSet(org.apache.derby.iapi.sql.execute.NoPutResultSet leftResultSet, int leftNumCols, org.apache.derby.iapi.sql.execute.NoPutResultSet rightResultSet, int rightNumCols, org.apache.derby.iapi.sql.Activation activation, org.apache.derby.iapi.services.loader.GeneratedMethod restriction, int resultSetNumber, boolean oneRowRightSide, boolean notExistsRightSide, double optimizerEstimatedRowCount, double optimizerEstimatedCost, org.apache.derby.iapi.services.loader.GeneratedMethod closeCleanup)

 

Methods inherited from class org.apache.derby.impl.sql.execute.NestedLoopJoinResultSet

clearScanState, close, getNextRowCore, getTimeSpent

 

Methods inherited from class org.apache.derby.impl.sql.execute.JoinResultSet

addWarning, attachStatementContext, checkRowPosition, cleanUp, clearCurrentRow, clearOrderableCache, closeRight, closeRowSource, dumpTimeStats, finish, finishAndRTS, getAbsoluteRow, getAutoGeneratedKeysResultset, getBeginExecutionTimestamp, getCompactRow, getCurrentRow, getCurrentTimeMillis, getCursorName, getElapsedMillis, getEndExecutionTimestamp, getEstimatedRowCount, getExecuteTime, getExecutionFactory, getFirstRow, getLanguageConnectionContext, getLastRow, getNextRow, getNextRowFromRowSource, getPointOfAttachment, getPreviousRow, getRelativeRow, getResultDescription, getRowLocation, getRowNumber, getScanIsolationLevel, getSubqueryTrackingArray, getTransactionController, getValidColumns, getWarnings, isClosed, isForUpdate, markAsTopResultSet, modifiedRowCount, needsRowLocation, needsToClone, open, openCore, openRight, printQualifiers, reopenCore, requiresRelocking, resultSetNumber, returnsRows, rowLocation, setAfterLastRow, setBeforeFirstRow, setCheckConstraints, setCompactRow, setCompatRow, setCurrentRow, setHeapConglomerate, setNeedsRowLocation, setTargetResultSet, skipRow, skipScan

 

Methods inherited from class java.lang.Object

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

 

Methods inherited from interface org.apache.derby.iapi.sql.ResultSet

checkRowPosition, cleanUp, getAbsoluteRow, getAutoGeneratedKeysResultset, getBeginExecutionTimestamp, getCursorName, getEndExecutionTimestamp, getExecuteTime, getFirstRow, getLastRow, getNextRow, getPreviousRow, getRelativeRow, getResultDescription, getRowNumber, getSubqueryTrackingArray, getWarnings, isClosed, modifiedRowCount, open, returnsRows, setAfterLastRow, setBeforeFirstRow

 

Constructor Detail

HashJoinResultSet

public HashJoinResultSet(org.apache.derby.iapi.sql.execute.NoPutResultSet leftResultSet,
                         int leftNumCols,
                         org.apache.derby.iapi.sql.execute.NoPutResultSet rightResultSet,
                         int rightNumCols,
                         org.apache.derby.iapi.sql.Activation activation,
                         org.apache.derby.iapi.services.loader.GeneratedMethod restriction,
                         int resultSetNumber,
                         boolean oneRowRightSide,
                         boolean notExistsRightSide,
                         double optimizerEstimatedRowCount,
                         double optimizerEstimatedCost,
                         org.apache.derby.iapi.services.loader.GeneratedMethod closeCleanup)

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> org >> apache >> derby >> impl >> sql >> [ execute overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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