public class LOUnion extends LogicalRelationalOperator
alias, lineNum, mCustomPartitioner, mPinnedOptions, requestedParallelism, schema| Constructor and Description |
|---|
LOUnion(OperatorPlan plan) |
LOUnion(OperatorPlan plan,
boolean onSchema) |
| Modifier and Type | Method and Description |
|---|---|
void |
accept(PlanVisitor v)
Accept a visitor at this node in the graph.
|
List<Operator> |
getInputs() |
List<Operator> |
getInputs(LogicalPlan plan) |
Set<Long> |
getInputUids(long uid) |
LogicalSchema |
getSchema()
Get the schema for the output of this relational operator.
|
boolean |
isEqual(Operator other)
This is like a shallow equals comparison.
|
boolean |
isOnSchema() |
void |
resetUid()
Erase all cached uid, regenerate uid when we regenerating schema.
|
void |
setUnionOnSchema(boolean flag) |
checkEquality, fixDuplicateUids, getAlias, getCustomPartitioner, getLineNumber, getRequestedParallelism, isPinnedOption, neverUseForRealSetSchema, pinOption, resetSchema, setAlias, setCustomPartitioner, setRequestedParallelism, setSchema, toStringannotate, getAnnotation, getLocation, getName, getPlan, removeAnnotation, setLocation, setPlanpublic LOUnion(OperatorPlan plan)
public LOUnion(OperatorPlan plan, boolean onSchema)
public boolean isOnSchema()
public LogicalSchema getSchema() throws FrontendException
LogicalRelationalOperatorgetSchema in class LogicalRelationalOperatorFrontendExceptionpublic void accept(PlanVisitor v) throws FrontendException
Operatoraccept in class Operatorv - Visitor to accept.FrontendExceptionpublic boolean isEqual(Operator other) throws FrontendException
OperatorisEqual in class OperatorFrontendExceptionpublic void resetUid()
LogicalRelationalOperatorresetUid in class LogicalRelationalOperatorpublic List<Operator> getInputs(LogicalPlan plan)
public void setUnionOnSchema(boolean flag)
Copyright © 2007-2017 The Apache Software Foundation