PlannerExternalQueryOperation (Flink : 2.0-preview1 API)

java.lang.Object
- org.apache.flink.table.calcite.bridge.PlannerExternalQueryOperation

All Implemented Interfaces:

Operation, QueryOperation
```
@Internal
public class PlannerExternalQueryOperation
extends Object
implements QueryOperation
```
Wrapper for valid logical plans and resolved schema generated by Planner. It's mainly used by pluggable dialect which will generate Calcite RelNode in planning phase.

Constructor Summary

Constructors
Constructor Description

PlannerExternalQueryOperation(org.apache.calcite.rel.RelNode relNode, ResolvedSchema resolvedSchema)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`<T> T`	`accept(QueryOperationVisitor<T> visitor)`
`String`	`asSummaryString()`	Returns a string that summarizes this operation for printing to a console.
`org.apache.calcite.rel.RelNode`	`getCalciteTree()`
`List<QueryOperation>`	`getChildren()`
`ResolvedSchema`	`getResolvedSchema()`	Resolved schema of this operation.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.flink.table.operations.QueryOperation
asSerializableString

- Constructor Detail
  - PlannerExternalQueryOperation
```
public PlannerExternalQueryOperation(org.apache.calcite.rel.RelNode relNode,
                                     ResolvedSchema resolvedSchema)
```
- Method Detail
  - getCalciteTree
```
public org.apache.calcite.rel.RelNode getCalciteTree()
```
  - getResolvedSchema
```
public ResolvedSchema getResolvedSchema()
```
    Description copied from interface: QueryOperation
    
    Resolved schema of this operation.
    
    Specified by:
    
    getResolvedSchema in interface QueryOperation
  - getChildren
```
public List<QueryOperation> getChildren()
```
    Specified by:
    
    getChildren in interface QueryOperation
  - accept
```
public <T> T accept(QueryOperationVisitor<T> visitor)
```
    Specified by:
    
    accept in interface QueryOperation
  - asSummaryString
```
public String asSummaryString()
```
    Description copied from interface: Operation
    
    Returns a string that summarizes this operation for printing to a console. An implementation might skip very specific properties.
    
    Specified by:
    
    asSummaryString in interface Operation
    
    Returns:
    
    summary string of this operation for debugging purposes