org.apache.flink.table.catalog

Class TableChange.ModifyPhysicalColumnType

java.lang.Object

org.apache.flink.table.catalog.TableChange.ModifyColumn

org.apache.flink.table.catalog.TableChange.ModifyPhysicalColumnType

All Implemented Interfaces:

TableChange

Enclosing interface:

TableChange

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

A table change that modify the physical column data type.

It is equal to the following statement:

    ALTER TABLE <table_name> MODIFY <column_name> <new_column_type>
 

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.ColumnPosition, TableChange.DropColumn, TableChange.DropConstraint, TableChange.DropDistribution, TableChange.DropWatermark, TableChange.First, TableChange.MaterializedTableChange, TableChange.ModifyColumn, TableChange.ModifyColumnComment, TableChange.ModifyColumnName, TableChange.ModifyColumnPosition, 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 and Description
boolean	equals(Object o)
DataType	getNewType() Get the column type for the new column.
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

Methods inherited from interface org.apache.flink.table.catalog.TableChange

add, add, add, add, add, dropColumn, dropConstraint, dropDistribution, dropWatermark, modify, modify, modify, modify, modifyColumnComment, modifyColumnName, modifyColumnPosition, modifyPhysicalColumnType, modifyRefreshHandler, modifyRefreshStatus, reset, set

Method Detail

getNewType

public DataType getNewType()

Get the column type for the new column.

equals

public boolean equals(Object o)

Overrides:

equals in class TableChange.ModifyColumn

toString

public String toString()

Overrides:

toString in class TableChange.ModifyColumn