CursorResultSet
, NoPutResultSet
, ResultSet
, RowLocationRetRowSource
, RowSource
class DistinctScanResultSet extends HashScanResultSet
BasicNoPutResultSetImpl.FieldComparator
Modifier and Type | Field | Description |
---|---|---|
(package private) java.util.Enumeration |
element |
activation, beginTime, closeTime, constructorTime, currentRow, endExecutionTime, finished, isOpen, isTopResultSet, nextTime, numOpens, openTime, optimizerEstimatedCost, optimizerEstimatedRowCount, resultDescription, rowsFiltered, rowsSeen, startExecutionTime, subqueryTrackingArray
compactRow, DEFAULT_INITIAL_CAPACITY, DEFAULT_LOADFACTOR, DEFAULT_MAX_CAPACITY, eliminateDuplicates, firstNext, forUpdate, hashtable, hashtableSize, isConstraint, keyColumns, nextQualifiers, scanProperties, scanQualifiers, scoci, startPositionString, stopPositionString, userSuppliedOptimizerOverrides
ABSOLUTE, FIRST, LAST, NEXT, PREVIOUS, RELATIVE, TEMPORARY_RESULT_SET_NUMBER
checkNullCols, clonedExecRow, cncLen, resultSetNumber, targetResultSet
CURRENT_RESULTSET_ONLY, ENTIRE_RESULTSET_TREE, ISAFTERLAST, ISBEFOREFIRST, ISFIRST, ISLAST
accessedCols, candidate, fetchRowLocations, indexName, isolationLevel, lockMode, resultRowBuilder, tableName
Constructor | Description |
---|---|
DistinctScanResultSet(long conglomId,
StaticCompiledOpenConglomInfo scoci,
Activation activation,
int resultRowTemplate,
int resultSetNumber,
int hashKeyItem,
java.lang.String tableName,
java.lang.String userSuppliedOptimizerOverrides,
java.lang.String indexName,
boolean isConstraint,
int colRefItem,
int lockMode,
boolean tableLocked,
int isolationLevel,
double optimizerEstimatedRowCount,
double optimizerEstimatedCost) |
Modifier and Type | Method | Description |
---|---|---|
ExecRow |
getNextRowCore() |
Return the next row (if any) from the scan (if open).
|
addWarning, attachStatementContext, checkCancellationFlag, checkRowPosition, childrenToXML, cleanUp, dumpTimeStats, finish, finishAndRTS, getAbsoluteRow, getActivation, getAutoGeneratedKeysResultset, getBeginExecutionTimestamp, getCompactRow, getCurrentTimeMillis, getElapsedMillis, getEndExecutionTimestamp, getEstimatedRowCount, getExecuteTime, getExecutionFactory, getFirstRow, getLanguageConnectionContext, getLastRow, getNextRow, getPointOfAttachment, getPreviousRow, getRelativeRow, getRowNumber, getSubqueryTrackingArray, getTransactionController, getWarnings, isClosed, isXplainOnlyMode, markAsTopResultSet, modifiedRowCount, open, recordConstructorTime, returnsRows, setAfterLastRow, setBeforeFirstRow, setCompactRow, setCompatRow, toXML
canGetInstantaneousLocks, close, getCurrentRow, getRowLocation, getScanProperties, getTimeSpent, isForUpdate, openCore, printStartPosition, printStopPosition, reopenCore, requiresRelocking
clearCurrentRow, clearOrderableCache, closeRowSource, getCursorName, getNextRowFromRowSource, getResultDescription, getValidColumns, markRowAsDeleted, needsRowLocation, needsRowLocationForDeferredCheckConstraints, needsToClone, offendingRowLocation, positionScanAtRowLocation, printQualifiers, resultSetNumber, rowLocation, setCurrentRow, setHasDeferrableChecks, setNeedsRowLocation, setTargetResultSet, skipRow, skipScan, unpackHashValue, updateRow
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
addWarning, checkRowPosition, cleanUp, clearCurrentRow, finish, getAbsoluteRow, getActivation, getAutoGeneratedKeysResultset, getBeginExecutionTimestamp, getCursorName, getEndExecutionTimestamp, getExecuteTime, getFirstRow, getLastRow, getNextRow, getPreviousRow, getRelativeRow, getResultDescription, getRowNumber, getSubqueryTrackingArray, getWarnings, isClosed, modifiedRowCount, open, returnsRows, setAfterLastRow, setBeforeFirstRow, toXML
getScanIsolationLevel, initIsolationLevel, setRowLocationsState, toXML
DistinctScanResultSet(long conglomId, StaticCompiledOpenConglomInfo scoci, Activation activation, int resultRowTemplate, int resultSetNumber, int hashKeyItem, java.lang.String tableName, java.lang.String userSuppliedOptimizerOverrides, java.lang.String indexName, boolean isConstraint, int colRefItem, int lockMode, boolean tableLocked, int isolationLevel, double optimizerEstimatedRowCount, double optimizerEstimatedCost) throws StandardException
StandardException
public ExecRow getNextRowCore() throws StandardException
getNextRowCore
in interface NoPutResultSet
getNextRowCore
in class HashScanResultSet
StandardException
- thrown on failure to get next rowNoPutResultSet.getNextRowCore()
Apache Derby V10.14 Internals - Copyright © 2004,2018 The Apache Software Foundation. All Rights Reserved.