TableChange.ModifyColumnName (Flink : Table : Common 2.1.0 API)

java.lang.Object
- org.apache.flink.table.catalog.TableChange.ModifyColumn
- - org.apache.flink.table.catalog.TableChange.ModifyColumnName

All Implemented Interfaces:: TableChange, TableChange.CatalogTableChange

Enclosing interface:: TableChange

@PublicEvolving
public static class TableChange.ModifyColumnName
extends TableChange.ModifyColumn

A table change to modify the column name.

It is equal to the following statement:

    ALTER TABLE <table_name> RENAME <old_column_name> TO <new_column_name>

Nested Class Summary
- Nested classes/interfaces inherited from interface org.apache.flink.table.catalog.TableChange
  TableChange.AddColumn, TableChange.AddDistribution, TableChange.AddUniqueConstraint, TableChange.AddWatermark, TableChange.After, TableChange.CatalogTableChange, TableChange.ColumnPosition, TableChange.DropColumn, TableChange.DropConstraint, TableChange.DropDistribution, TableChange.DropWatermark, TableChange.First, TableChange.MaterializedTableChange, TableChange.ModifyColumn, TableChange.ModifyColumnComment, TableChange.ModifyColumnName, TableChange.ModifyColumnPosition, TableChange.ModifyDefinitionQuery, TableChange.ModifyDistribution, TableChange.ModifyPhysicalColumnType, TableChange.ModifyRefreshHandler, TableChange.ModifyRefreshStatus, TableChange.ModifyUniqueConstraint, TableChange.ModifyWatermark, TableChange.ResetOption, TableChange.SetOption

Field Summary
- Fields inherited from class org.apache.flink.table.catalog.TableChange.ModifyColumn
  newColumn, newPosition, oldColumn

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`boolean`	`equals(Object o)`
`String`	`getNewColumnName()`	Returns the new column name after renaming the column name.
`String`	`getOldColumnName()`	Returns the origin column name.
`String`	`toString()`

Methods inherited from class org.apache.flink.table.catalog.TableChange.ModifyColumn
getNewColumn, getNewPosition, getOldColumn, hashCode

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

- Method Detail
  - getOldColumnName
```
public String getOldColumnName()
```
    Returns the origin column name.
  - getNewColumnName
```
public String getNewColumnName()
```
    Returns the new column name after renaming the column name.
  - equals
```
public boolean equals(Object o)
```
    Overrides:
    
    equals in class TableChange.ModifyColumn
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class TableChange.ModifyColumn