org.apache.hadoop.hive.ql.exec
Class AbstractMapJoinOperator<T extends MapJoinDesc>
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<T>
- All Implemented Interfaces:
- Serializable, Cloneable, Node
- Direct Known Subclasses:
- MapJoinOperator, SMBMapJoinOperator
public abstract class AbstractMapJoinOperator<T extends MapJoinDesc>
- extends CommonJoinOperator<T>
- implements Serializable
- See Also:
- Serialized Form
Fields inherited from class org.apache.hadoop.hive.ql.exec.CommonJoinOperator |
alias, condn, countAfterReport, dummyObj, dummyObjVectors, filterMap, heartbeatInterval, joinFilterObjectInspectors, joinFilters, joinValues, joinValuesObjectInspectors, joinValuesStandardObjectInspectors, LOG, noOuterJoin, NOTSKIPBIGTABLE, nullsafes, numAliases, order, rowContainerStandardObjectInspectors, spillTableDesc, totalSz |
Fields inherited from class org.apache.hadoop.hive.ql.exec.Operator |
beginTime, childOperators, childOperatorsArray, childOperatorsTag, colExprMap, conf, counterNames, counterNameToEnum, counters, done, fatalErrorCntr, groupKeyObject, id, inputObjInspectors, inputRows, isLogInfoEnabled, numInputRowsCntr, numOutputRowsCntr, operatorId, out, outputObjInspector, outputRows, parentOperators, reporter, state, statsMap, timeTakenCntr, totalTime |
Methods inherited from class org.apache.hadoop.hive.ql.exec.CommonJoinOperator |
checkAndGenObject, closeOp, endGroup, getJoinOutputObjectInspector, getName, getNextSize, getOperatorName, getPosToAliasMap, hasFilter, reportProgress, setPosToAliasMap, startGroup |
Methods inherited from class org.apache.hadoop.hive.ql.exec.Operator |
allInitializedParentsAreClosed, areAllParentsInitialized, assignCounterNameToEnum, augmentPlan, checkFatalErrors, cleanUpInputFileChanged, cleanUpInputFileChangedOp, clone, close, columnNamesRowResolvedCanBeObtained, dump, dump, forward, getAdditionalCounters, getChildOperators, getChildren, getColumnExprMap, getConf, getCounterNames, getCounterNameToEnum, getCounters, getDone, getExecContext, getGroupKeyObject, getIdentifier, getInputObjInspectors, getOperatorId, getParentOperators, getSchema, getStats, getWrappedCounterName, incrCounter, initEvaluators, initEvaluators, initEvaluatorsAndReturnStruct, initialize, initializeChildren, initializeCounters, initializeLocalWork, initOperatorId, isUseBucketizedHiveInputFormat, jobClose, jobCloseOp, logStats, passExecContext, preorderMap, process, processOp, 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, supportSkewJoinOptimization, supportUnionRemoveOptimization, updateCounters |
joinKeys
protected transient Map<Byte,List<ExprNodeEvaluator>> joinKeys
- The expressions for join inputs's join keys.
joinKeysObjectInspectors
protected transient Map<Byte,List<ObjectInspector>> joinKeysObjectInspectors
- The ObjectInspectors for the join inputs's join keys.
joinKeysStandardObjectInspectors
protected transient Map<Byte,List<ObjectInspector>> joinKeysStandardObjectInspectors
- The standard ObjectInspectors for the join inputs's join keys.
posBigTable
protected transient int posBigTable
emptyList
protected transient RowContainer<ArrayList<Object>> emptyList
AbstractMapJoinOperator
public AbstractMapJoinOperator()
AbstractMapJoinOperator
public AbstractMapJoinOperator(AbstractMapJoinOperator<? extends MapJoinDesc> mjop)
initializeOp
protected void initializeOp(org.apache.hadoop.conf.Configuration hconf)
throws HiveException
- Description copied from class:
Operator
- Operator specific initialization.
- Overrides:
initializeOp
in class CommonJoinOperator<T extends MapJoinDesc>
- Throws:
HiveException
fatalErrorMessage
protected void fatalErrorMessage(StringBuilder errMsg,
long counterCode)
- Description copied from class:
Operator
- Get the fatal error message based on counter's code.
- Overrides:
fatalErrorMessage
in class Operator<T extends MapJoinDesc>
- Parameters:
errMsg
- error message should be appended to this output parameter.counterCode
- input counter code.
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<T extends MapJoinDesc>
- Returns:
- OperatorType.*
hasAnyNulls
protected boolean hasAnyNulls(ArrayList<Object> key)
hasAnyNulls
protected boolean hasAnyNulls(Object[] key)
hasAnyNulls
protected boolean hasAnyNulls(AbstractMapJoinKey key)
Copyright © 2011 The Apache Software Foundation