Column.PhysicalColumn (Flink : 2.0-SNAPSHOT API)

java.lang.Object
- org.apache.flink.table.catalog.Column
- - org.apache.flink.table.catalog.Column.PhysicalColumn

Enclosing class:: Column

@PublicEvolving
public static final class Column.PhysicalColumn
extends Column

Representation of a physical column.

Nested Class Summary
- Nested classes/interfaces inherited from class org.apache.flink.table.catalog.Column
  Column.ComputedColumn, Column.MetadataColumn, Column.PhysicalColumn

Field Summary
- Fields inherited from class org.apache.flink.table.catalog.Column
  comment, dataType, name

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`Column`	`copy(DataType newDataType)`	Returns a copy of the column with a replaced `DataType`.
`Optional<String>`	`explainExtras()`	Returns an explanation of specific column extras next to name and type.
`boolean`	`isPersisted()`	Returns whether the given column is persisted in a sink operation.
`boolean`	`isPhysical()`	Returns whether the given column is a physical column of a table; neither computed nor metadata.
`Column.PhysicalColumn`	`withComment(String comment)`	Add the comment to the column and return the new object.

Methods inherited from class org.apache.flink.table.catalog.Column
asSummaryString, computed, equals, getComment, getDataType, getName, hashCode, metadata, physical, toString

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

- Method Detail
  - withComment
```
public Column.PhysicalColumn withComment(String comment)
```
    Description copied from class: Column
    
    Add the comment to the column and return the new object.
    
    Specified by:
    
    withComment in class Column
  - isPhysical
```
public boolean isPhysical()
```
    Description copied from class: Column
    
    Returns whether the given column is a physical column of a table; neither computed nor metadata.
    
    Specified by:
    
    isPhysical in class Column
  - isPersisted
```
public boolean isPersisted()
```
    Description copied from class: Column
    
    Returns whether the given column is persisted in a sink operation.
    
    Specified by:
    
    isPersisted in class Column
  - explainExtras
```
public Optional<String> explainExtras()
```
    Description copied from class: Column
    
    Returns an explanation of specific column extras next to name and type.
    
    Specified by:
    
    explainExtras in class Column
  - copy
```
public Column copy(DataType newDataType)
```
    Description copied from class: Column
    
    Returns a copy of the column with a replaced DataType.
    
    Specified by:
    
    copy in class Column