org.apache.hadoop.hive.ql.exec
Class SMBMapJoinOperator
java.lang.Object
org.apache.hadoop.hive.ql.exec.Operator<T>
org.apache.hadoop.hive.ql.exec.CommonJoinOperator<T>
org.apache.hadoop.hive.ql.exec.AbstractMapJoinOperator<SMBJoinDesc>
org.apache.hadoop.hive.ql.exec.SMBMapJoinOperator
- All Implemented Interfaces:
- Serializable, Cloneable, Node
- Direct Known Subclasses:
- VectorSMBMapJoinOperator
public class SMBMapJoinOperator
- extends AbstractMapJoinOperator<SMBJoinDesc>
- implements Serializable
Sorted Merge Map Join Operator.
- See Also:
- Serialized Form
Methods inherited from class org.apache.hadoop.hive.ql.exec.Operator |
acceptLimitPushdown, augmentPlan, cleanUpInputFileChanged, clone, cloneOp, cloneRecursiveChildren, close, columnNamesRowResolvedCanBeObtained, dump, dump, flush, getChildOperators, getChildren, getColumnExprMap, getConf, getConfiguration, getDone, getExecContext, getGroupKeyObject, getGroupKeyObjectInspector, getIdentifier, getInputObjInspectors, getNumChild, getNumParent, getOperatorId, getOpTraits, getOutputObjInspector, getParentOperators, getSchema, getStatistics, getStats, initialize, initOperatorId, isUseBucketizedHiveInputFormat, jobClose, jobCloseOp, logStats, opAllowedBeforeSortMergeJoin, 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, supportAutomaticSortMergeJoin, supportSkewJoinOptimization, supportUnionRemoveOptimization, toString, toString |
SMBMapJoinOperator
public SMBMapJoinOperator()
SMBMapJoinOperator
public SMBMapJoinOperator(AbstractMapJoinOperator<? extends MapJoinDesc> mapJoinOp)
initializeLocalWork
public void initializeLocalWork(org.apache.hadoop.conf.Configuration hconf)
throws HiveException
- Overrides:
initializeLocalWork
in class Operator<SMBJoinDesc>
- Throws:
HiveException
initializeMapredLocalWork
public void initializeMapredLocalWork(MapJoinDesc mjConf,
org.apache.hadoop.conf.Configuration hconf,
MapredLocalWork localWork,
org.apache.commons.logging.Log l4j)
throws HiveException
- Throws:
HiveException
cleanUpInputFileChangedOp
public void cleanUpInputFileChangedOp()
throws HiveException
- Overrides:
cleanUpInputFileChangedOp
in class Operator<SMBJoinDesc>
- Throws:
HiveException
processOp
public void processOp(Object row,
int tag)
throws HiveException
- Description copied from class:
Operator
- Process the row.
- Specified by:
processOp
in class Operator<SMBJoinDesc>
- 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
closeOp
public void closeOp(boolean abort)
throws HiveException
- Description copied from class:
CommonJoinOperator
- All done.
- Overrides:
closeOp
in class AbstractMapJoinOperator<SMBJoinDesc>
- Throws:
HiveException
getName
public String getName()
- Implements the getName function for the Node Interface.
- Specified by:
getName
in interface Node
- Overrides:
getName
in class CommonJoinOperator<SMBJoinDesc>
- Returns:
- the name of the operator
getOperatorName
public static String getOperatorName()
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.
- Overrides:
getType
in class AbstractMapJoinOperator<SMBJoinDesc>
- Returns:
- OperatorType.*
isConvertedAutomaticallySMBJoin
public boolean isConvertedAutomaticallySMBJoin()
setConvertedAutomaticallySMBJoin
public void setConvertedAutomaticallySMBJoin(boolean convertedAutomaticallySMBJoin)
opAllowedConvertMapJoin
public boolean opAllowedConvertMapJoin()
- Overrides:
opAllowedConvertMapJoin
in class Operator<SMBJoinDesc>
Copyright © 2014 The Apache Software Foundation. All rights reserved.