ProjectQueryOperation (Flink : Table : API Java 1.18.1-cp6 API)

java.lang.Object
- org.apache.flink.table.operations.ProjectQueryOperation

All Implemented Interfaces:

Operation, QueryOperation
```
@Internal
public class ProjectQueryOperation
extends Object
implements QueryOperation
```
Table operation that computes new table using given Expressions from its input relational operation.

Constructor Summary

Constructors
Constructor	Description
`ProjectQueryOperation(List<org.apache.flink.table.expressions.ResolvedExpression> projectList, QueryOperation child, org.apache.flink.table.catalog.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.
`List<QueryOperation>`	`getChildren()`
`List<org.apache.flink.table.expressions.ResolvedExpression>`	`getProjectList()`
`org.apache.flink.table.catalog.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
  - ProjectQueryOperation
```
public ProjectQueryOperation(List<org.apache.flink.table.expressions.ResolvedExpression> projectList,
                             QueryOperation child,
                             org.apache.flink.table.catalog.ResolvedSchema resolvedSchema)
```
- Method Detail
  - getProjectList
```
public List<org.apache.flink.table.expressions.ResolvedExpression> getProjectList()
```
  - getResolvedSchema
```
public org.apache.flink.table.catalog.ResolvedSchema getResolvedSchema()
```
    Description copied from interface: QueryOperation
    
    Resolved schema of this operation.
    
    Specified by:
    
    getResolvedSchema 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
  - 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