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
Method Summary |
int |
getNumRows()
|
org.apache.hadoop.hive.ql.plan.api.OperatorType |
getType()
Return the type of the specific operator among the
types in OperatorType. |
void |
processOp(Object row,
int tag)
Process the row. |
void |
reset(List res)
|
Methods inherited from class org.apache.hadoop.hive.ql.exec.Operator |
acceptLimitPushdown, augmentPlan, cleanUpInputFileChanged, cleanUpInputFileChangedOp, clone, cloneOp, cloneRecursiveChildren, close, columnNamesRowResolvedCanBeObtained, dump, dump, endGroup, flush, getChildOperators, getChildren, getColumnExprMap, getConf, getConfiguration, getDone, getExecContext, getGroupKeyObject, getGroupKeyObjectInspector, getIdentifier, getInputObjInspectors, getName, getNumChild, getNumParent, getOperatorId, getOperatorName, getOpTraits, getOutputObjInspector, getParentOperators, getSchema, getStatistics, getStats, initialize, initializeLocalWork, initOperatorId, isUseBucketizedHiveInputFormat, jobClose, jobCloseOp, logStats, opAllowedAfterMapJoin, opAllowedBeforeMapJoin, opAllowedBeforeSortMergeJoin, opAllowedConvertMapJoin, passExecContext, preorderMap, processGroup, removeChild, removeChildAndAdoptItsChildren, removeChildren, removeParent, replaceChild, replaceParent, reset, resetId, resetStats, setAlias, setChildOperators, setColumnExprMap, setConf, setExecContext, setGroupKeyObject, setGroupKeyObjectInspector, setId, setInputObjInspectors, setOperatorId, setOpTraits, setOutputCollector, setParentOperators, setReporter, setSchema, setStatistics, setUseBucketizedHiveInputFormat, startGroup, supportAutomaticSortMergeJoin, supportSkewJoinOptimization, supportUnionRemoveOptimization, toString, toString |
OUTPUT_FORMATTER
public static final String OUTPUT_FORMATTER
- See Also:
- Constant Field Values
OUTPUT_PROTOCOL
public static final String OUTPUT_PROTOCOL
- See Also:
- Constant Field Values
ListSinkOperator
public ListSinkOperator()
reset
public void reset(List 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 org.apache.hadoop.hive.ql.plan.api.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 © 2014 The Apache Software Foundation. All rights reserved.