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java.lang.Objectorg.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
class HashJoinResultSet
Hash join of 2 arbitrary result sets. Simple subclass of nested loop, differentiated to ease RunTimeStatistics output generation.
Field Summary |
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Fields inherited from class org.apache.derby.impl.sql.execute.JoinResultSet |
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isRightOpen, leftNumCols, leftResultSet, leftRow, mergedRow, notExistsRightSide, oneRowRightSide, restriction, restrictionTime, rightNumCols, rightResultSet, rightRow, rowsReturned, rowsSeenLeft, rowsSeenRight, userSuppliedOptimizerOverrides |
Fields inherited from class org.apache.derby.impl.sql.execute.NoPutResultSetImpl |
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checkNullCols, clonedExecRow, cncLen, resultSetNumber, targetResultSet |
Fields inherited from class org.apache.derby.impl.sql.execute.BasicNoPutResultSetImpl |
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activation, beginTime, closeTime, compactRow, constructorTime, currentRow, endExecutionTime, finished, isOpen, isTopResultSet, nextTime, numOpens, openTime, optimizerEstimatedCost, optimizerEstimatedRowCount, resultDescription, rowsFiltered, rowsSeen, startExecutionTime, subqueryTrackingArray |
Fields inherited from interface org.apache.derby.iapi.sql.ResultSet |
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CURRENT_RESULTSET_ONLY, ENTIRE_RESULTSET_TREE, ISAFTERLAST, ISBEFOREFIRST, ISFIRST, ISLAST |
Fields inherited from interface org.apache.derby.iapi.sql.execute.NoPutResultSet |
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ABSOLUTE, FIRST, LAST, NEXT, PREVIOUS, RELATIVE |
Constructor Summary | |
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HashJoinResultSet(NoPutResultSet leftResultSet,
int leftNumCols,
NoPutResultSet rightResultSet,
int rightNumCols,
Activation activation,
GeneratedMethod restriction,
int resultSetNumber,
boolean oneRowRightSide,
boolean notExistsRightSide,
double optimizerEstimatedRowCount,
double optimizerEstimatedCost,
java.lang.String userSuppliedOptimizerOverrides)
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Method Summary |
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Methods inherited from class org.apache.derby.impl.sql.execute.NestedLoopJoinResultSet |
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clearScanState, close, getNextRowCore, getTimeSpent |
Methods inherited from class org.apache.derby.impl.sql.execute.JoinResultSet |
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closeRight, finish, getCurrentRow, getRowLocation, openCore, openRight, reopenCore |
Methods inherited from class org.apache.derby.impl.sql.execute.NoPutResultSetImpl |
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clearCurrentRow, clearOrderableCache, closeRowSource, getCursorName, getNextRowFromRowSource, getResultDescription, getValidColumns, isForUpdate, markRowAsDeleted, needsRowLocation, needsToClone, positionScanAtRowLocation, printQualifiers, resultSetNumber, rowLocation, setCurrentRow, setNeedsRowLocation, setTargetResultSet, skipRow, skipScan, updateRow |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.apache.derby.iapi.sql.ResultSet |
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checkRowPosition, cleanUp, clearCurrentRow, getAbsoluteRow, getActivation, getAutoGeneratedKeysResultset, getBeginExecutionTimestamp, getCursorName, getEndExecutionTimestamp, getExecuteTime, getFirstRow, getLastRow, getNextRow, getPreviousRow, getRelativeRow, getResultDescription, getRowNumber, getSubqueryTrackingArray, getWarnings, isClosed, modifiedRowCount, open, returnsRows, setAfterLastRow, setBeforeFirstRow |
Constructor Detail |
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HashJoinResultSet(NoPutResultSet leftResultSet, int leftNumCols, NoPutResultSet rightResultSet, int rightNumCols, Activation activation, GeneratedMethod restriction, int resultSetNumber, boolean oneRowRightSide, boolean notExistsRightSide, double optimizerEstimatedRowCount, double optimizerEstimatedCost, java.lang.String userSuppliedOptimizerOverrides)
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Built on Thu 2012-03-29 21:53:33+0000, from revision ??? | ||||||||
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