public class VectorLimitOperator extends LimitOperator
Operator.OperatorFunc, Operator.State
currCount, isMap, leastRow, limit, offset
abortOp, alias, asyncInitOperations, cContext, childOperators, childOperatorsArray, childOperatorsTag, colExprMap, conf, CONTEXT_NAME_KEY, done, groupKeyObject, HIVECOUNTERCREATEDFILES, HIVECOUNTERFATAL, id, inputObjInspectors, isLogDebugEnabled, isLogInfoEnabled, isLogTraceEnabled, LOG, operatorId, out, outputObjInspector, parentOperators, PLOG, reporter, state, statsMap
Constructor and Description |
---|
VectorLimitOperator()
Kryo ctor.
|
VectorLimitOperator(CompilationOpContext ctx) |
VectorLimitOperator(CompilationOpContext ctx,
VectorizationContext vContext,
OperatorDesc conf) |
Modifier and Type | Method and Description |
---|---|
void |
process(Object row,
int tag)
Process the row.
|
closeOp, getName, getOperatorName, getType, initializeOp
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
public VectorLimitOperator()
public VectorLimitOperator(CompilationOpContext ctx)
public VectorLimitOperator(CompilationOpContext ctx, VectorizationContext vContext, OperatorDesc conf)
public void process(Object row, int tag) throws HiveException
Operator
process
in class LimitOperator
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
Copyright © 2016 The Apache Software Foundation. All rights reserved.