public class UDTFOperator extends Operator<UDTFDesc> implements Serializable
Operator.OperatorFunc, Operator.State
Modifier and Type | Field and Description |
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protected static org.slf4j.Logger |
LOG |
abortOp, alias, asyncInitOperations, cContext, childOperators, childOperatorsArray, childOperatorsTag, colExprMap, conf, CONTEXT_NAME_KEY, done, groupKeyObject, HIVECOUNTERCREATEDFILES, HIVECOUNTERFATAL, id, inputObjInspectors, isLogDebugEnabled, isLogInfoEnabled, isLogTraceEnabled, operatorId, out, outputObjInspector, parentOperators, PLOG, reporter, state, statsMap
Modifier | Constructor and Description |
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protected |
UDTFOperator()
Kryo ctor.
|
|
UDTFOperator(CompilationOpContext ctx) |
Modifier and Type | Method and Description |
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protected void |
closeOp(boolean abort)
Operator specific close routine.
|
void |
forwardUDTFOutput(Object o)
forwardUDTFOutput is typically called indirectly by the GenericUDTF when
the GenericUDTF has generated output rows that should be passed on to the
next operator(s) in the DAG.
|
String |
getName()
Gets the name of the node.
|
static String |
getOperatorName() |
OperatorType |
getType()
Return the type of the specific operator among the
types in OperatorType.
|
protected void |
initializeOp(org.apache.hadoop.conf.Configuration hconf)
Operator specific initialization.
|
void |
process(Object row,
int tag)
Process the row.
|
abort, acceptLimitPushdown, allInitializedParentsAreClosed, areAllParentsInitialized, augmentPlan, cleanUpInputFileChanged, cleanUpInputFileChangedOp, clone, cloneOp, cloneRecursiveChildren, close, columnNamesRowResolvedCanBeObtained, completeInitializationOp, createDummy, defaultEndGroup, defaultStartGroup, dump, dump, endGroup, flush, forward, getAdditionalCounters, getChildOperators, getChildren, getColumnExprMap, getCompilationOpContext, getConf, getConfiguration, getDone, getExecContext, getGroupKeyObject, getIdentifier, getInputObjInspectors, getIsReduceSink, getNextCntr, getNumChild, getNumParent, getOperatorId, getOpTraits, getOutputObjInspector, getParentOperators, getReduceOutputName, getSchema, getStatistics, getStats, initEvaluators, initEvaluators, initEvaluatorsAndReturnStruct, initialize, initialize, initializeChildren, initializeLocalWork, initOperatorId, isUseBucketizedHiveInputFormat, jobClose, jobCloseOp, logStats, opAllowedAfterMapJoin, opAllowedBeforeMapJoin, opAllowedBeforeSortMergeJoin, opAllowedConvertMapJoin, passExecContext, preorderMap, processGroup, removeChild, removeChildAndAdoptItsChildren, removeParent, removeParents, replaceChild, replaceParent, reset, resetStats, setAlias, setChildOperators, setColumnExprMap, setCompilationOpContext, setConf, setDone, setExecContext, setGroupKeyObject, setId, setInputContext, setInputObjInspectors, setOperatorId, setOpTraits, setOutputCollector, setParentOperators, setReporter, setSchema, setStatistics, setUseBucketizedHiveInputFormat, startGroup, supportAutomaticSortMergeJoin, supportSkewJoinOptimization, supportUnionRemoveOptimization, toString, toString
protected UDTFOperator()
public UDTFOperator(CompilationOpContext ctx)
protected void initializeOp(org.apache.hadoop.conf.Configuration hconf) throws HiveException
Operator
initializeOp
in class Operator<UDTFDesc>
HiveException
public void process(Object row, int tag) throws HiveException
Operator
process
in class Operator<UDTFDesc>
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 forwardUDTFOutput(Object o) throws HiveException
o
- HiveException
public String getName()
Node
public static String getOperatorName()
public OperatorType getType()
Operator
protected void closeOp(boolean abort) throws HiveException
Operator
closeOp
in class Operator<UDTFDesc>
HiveException
Copyright © 2016 The Apache Software Foundation. All rights reserved.