public interface Projectable
ScanNode,
JoinNode,
GroupbyNode, and
ProjectionNode are all Projectable nodes.
The expression evaluation occurs only at those projectable nodes.| Modifier and Type | Method and Description |
|---|---|
Schema |
getInSchema()
Get an input schema
|
Schema |
getOutSchema()
Get an output schema
|
int |
getPID()
Get a PlanNode Id
|
Target[] |
getTargets()
Get a list of targets
|
boolean |
hasTargets()
check if this node has a target list
|
void |
setTargets(Target[] targets)
Set a target list
|
int getPID()
boolean hasTargets()
void setTargets(Target[] targets)
targets - The array of targetsTarget[] getTargets()
Schema getInSchema()
Schema getOutSchema()
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