org.apache.hadoop.hive.ql.exec
Class ListSinkOperator
java.lang.Object
org.apache.hadoop.hive.ql.exec.Operator<ListSinkDesc>
org.apache.hadoop.hive.ql.exec.ListSinkOperator
- All Implemented Interfaces:
- Serializable, Cloneable, Node
public class ListSinkOperator
- extends Operator<ListSinkDesc>
For fetch task with operator tree, row read from FetchOperator is processed via operator tree
and finally arrives to this operator.
- See Also:
- Serialized Form
Fields inherited from class org.apache.hadoop.hive.ql.exec.Operator |
alias, beginTime, childOperators, childOperatorsArray, childOperatorsTag, colExprMap, conf, counterNames, counterNameToEnum, counters, done, fatalErrorCntr, groupKeyObject, id, inputObjInspectors, inputRows, isLogInfoEnabled, LOG, numInputRowsCntr, numOutputRowsCntr, operatorId, out, outputObjInspector, outputRows, parentOperators, reporter, state, statsMap, timeTakenCntr, totalTime |
Methods inherited from class org.apache.hadoop.hive.ql.exec.Operator |
allInitializedParentsAreClosed, areAllParentsInitialized, assignCounterNameToEnum, augmentPlan, checkFatalErrors, cleanUpInputFileChanged, cleanUpInputFileChangedOp, clone, close, closeOp, columnNamesRowResolvedCanBeObtained, dump, dump, endGroup, fatalErrorMessage, forward, getAdditionalCounters, getChildOperators, getChildren, getColumnExprMap, getConf, getCounterNames, getCounterNameToEnum, getCounters, getDone, getExecContext, getGroupKeyObject, getIdentifier, getInputObjInspectors, getName, getOperatorId, getOperatorName, getParentOperators, getSchema, getStats, getWrappedCounterName, incrCounter, initEvaluators, initEvaluators, initEvaluatorsAndReturnStruct, initialize, initializeChildren, initializeCounters, initializeLocalWork, initOperatorId, isUseBucketizedHiveInputFormat, jobClose, jobCloseOp, logStats, passExecContext, preorderMap, process, 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, startGroup, supportSkewJoinOptimization, supportUnionRemoveOptimization, updateCounters |
ListSinkOperator
public ListSinkOperator()
initializeOp
protected void initializeOp(org.apache.hadoop.conf.Configuration hconf)
throws HiveException
- Description copied from class:
Operator
- Operator specific initialization.
- Overrides:
initializeOp
in class Operator<ListSinkDesc>
- Throws:
HiveException
initialize
public ListSinkOperator initialize(SerDe mSerde)
reset
public void reset(ArrayList<String> res)
getNumRows
public int getNumRows()
processOp
public void processOp(Object row,
int tag)
throws HiveException
- Description copied from class:
Operator
- Process the row.
- Specified by:
processOp
in class Operator<ListSinkDesc>
- Parameters:
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.
- Throws:
HiveException
getType
public OperatorType getType()
- Description copied from class:
Operator
- Return the type of the specific operator among the
types in OperatorType.
- Specified by:
getType
in class Operator<ListSinkDesc>
- Returns:
- OperatorType.*
Copyright © 2011 The Apache Software Foundation