Package org.apache.flink.table.catalog

Class TableChange.ModifyColumnName

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

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 Details

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