public class MapJoinOperator extends AbstractMapJoinOperator<MapJoinDesc> implements java.io.Serializable
Operator.OperatorFunc, Operator.ProgressCounter, Operator.State
emptyList, joinKeys, joinKeysObjectInspectors, joinKeysStandardObjectInspectors, posBigTable
alias, aliasFilterTags, condn, countAfterReport, dummyObj, dummyObjVectors, filterMaps, filterTags, forwardCache, heartbeatInterval, intermediate, joinFilterObjectInspectors, joinFilters, joinValues, joinValuesObjectInspectors, joinValuesStandardObjectInspectors, noOuterJoin, NOTSKIPBIGTABLE, nullsafes, numAliases, offsets, order, rowContainerStandardObjectInspectors, skipVectors, spillTableDesc, totalSz
beginTime, childOperators, childOperatorsArray, childOperatorsTag, colExprMap, conf, counterNames, counterNameToEnum, counters, done, fatalErrorCntr, groupKeyObject, id, inputObjInspectors, inputRows, isLogInfoEnabled, numInputRowsCntr, numOutputRowsCntr, operatorId, out, outputObjInspector, outputRows, parentOperators, reporter, state, statsMap, timeTakenCntr, totalTime
Constructor and Description |
---|
MapJoinOperator() |
MapJoinOperator(AbstractMapJoinOperator<? extends MapJoinDesc> mjop) |
Modifier and Type | Method and Description |
---|---|
void |
cleanUpInputFileChangedOp() |
void |
closeOp(boolean abort)
All done.
|
protected void |
fatalErrorMessage(java.lang.StringBuilder errMsg,
long counterCode)
Get the fatal error message based on counter's code.
|
void |
generateMapMetaData() |
java.lang.String |
getName()
Implements the getName function for the Node Interface.
|
static java.lang.String |
getOperatorName() |
OperatorType |
getType()
Return the type of the specific operator among the
types in OperatorType.
|
protected void |
initializeOp(Configuration hconf)
Operator specific initialization.
|
void |
processOp(java.lang.Object row,
int tag)
Process the row.
|
hasAnyNulls, hasAnyNulls, hasAnyNulls
checkAndGenObject, endGroup, getFilteredValue, getFilterTag, getJoinOutputObjectInspector, getNextSize, getPosToAliasMap, hasFilter, opAllowedAfterMapJoin, opAllowedBeforeMapJoin, reportProgress, setPosToAliasMap, startGroup
acceptLimitPushdown, allInitializedParentsAreClosed, areAllParentsInitialized, assignCounterNameToEnum, augmentPlan, checkFatalErrors, cleanUpInputFileChanged, clone, close, columnNamesRowResolvedCanBeObtained, dump, dump, flush, forward, getAdditionalCounters, getChildOperators, getChildren, getColumnExprMap, getConf, getConfiguration, getCounterNames, getCounterNameToEnum, getCounters, getDone, getExecContext, getGroupKeyObject, getIdentifier, getInputObjInspectors, getNextCntr, getNumChild, getNumParent, getOperatorId, getParentOperators, getSchema, getStats, getWrappedCounterName, incrCounter, initEvaluators, initEvaluators, initEvaluatorsAndReturnStruct, initialize, initialize, initializeChildren, initializeCounters, initializeLocalWork, initOperatorId, isUseBucketizedHiveInputFormat, jobClose, jobCloseOp, logStats, opAllowedBeforeSortMergeJoin, opAllowedConvertMapJoin, passExecContext, preorderMap, process, processGroup, removeChild, removeChildAndAdoptItsChildren, removeChildren, removeParent, replaceChild, replaceParent, reset, resetId, resetLastEnumUsed, resetStats, setAlias, setChildOperators, setColumnExprMap, setConf, setCounterNames, setCounterNameToEnum, setDone, setExecContext, setGroupKeyObject, setId, setInputObjInspectors, setOperatorId, setOutputCollector, setParentOperators, setReporter, setSchema, setUseBucketizedHiveInputFormat, supportAutomaticSortMergeJoin, supportSkewJoinOptimization, supportUnionRemoveOptimization, toString, toString, updateCounters
public MapJoinOperator()
public MapJoinOperator(AbstractMapJoinOperator<? extends MapJoinDesc> mjop)
protected void initializeOp(Configuration hconf) throws HiveException
Operator
initializeOp
in class AbstractMapJoinOperator<MapJoinDesc>
HiveException
protected void fatalErrorMessage(java.lang.StringBuilder errMsg, long counterCode)
Operator
fatalErrorMessage
in class AbstractMapJoinOperator<MapJoinDesc>
errMsg
- error message should be appended to this output parameter.counterCode
- input counter code.public void generateMapMetaData() throws HiveException, SerDeException
HiveException
SerDeException
public void cleanUpInputFileChangedOp() throws HiveException
cleanUpInputFileChangedOp
in class Operator<MapJoinDesc>
HiveException
public void processOp(java.lang.Object row, int tag) throws HiveException
Operator
processOp
in class Operator<MapJoinDesc>
row
- The object representing the row.tag
- The tag of the row usually means which parent this row comes from.
Rows with the same tag should have exactly the same rowInspector
all the time.HiveException
public void closeOp(boolean abort) throws HiveException
CommonJoinOperator
closeOp
in class CommonJoinOperator<MapJoinDesc>
HiveException
public java.lang.String getName()
getName
in interface Node
getName
in class CommonJoinOperator<MapJoinDesc>
public static java.lang.String getOperatorName()
public OperatorType getType()
Operator
getType
in class AbstractMapJoinOperator<MapJoinDesc>
Copyright © 2012 The Apache Software Foundation