org.apache.flink.table.catalog

Class TableChange.AddWatermark

java.lang.Object

org.apache.flink.table.catalog.TableChange.AddWatermark

All Implemented Interfaces:

TableChange

Enclosing interface:

TableChange

@PublicEvolving
public static class TableChange.AddWatermark
extends Object
implements TableChange

A table change to add a watermark.

It is equal to the following statement:

    ALTER TABLE <table_name> ADD WATERMARK FOR <row_time> AS <row_time_expression>
 

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.table.catalog.TableChange

TableChange.AddColumn, TableChange.AddUniqueConstraint, TableChange.AddWatermark, TableChange.After, TableChange.ColumnPosition, TableChange.DropColumn, TableChange.DropConstraint, TableChange.DropWatermark, TableChange.First, TableChange.ModifyColumn, TableChange.ModifyColumnComment, TableChange.ModifyColumnName, TableChange.ModifyColumnPosition, TableChange.ModifyPhysicalColumnType, TableChange.ModifyUniqueConstraint, TableChange.ModifyWatermark, TableChange.ResetOption, TableChange.SetOption

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
WatermarkSpec	getWatermark() Returns the watermark to add.
int	hashCode()
String	toString()

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, dropColumn, dropConstraint, dropWatermark, modify, modify, modify, modifyColumnComment, modifyColumnName, modifyColumnPosition, modifyPhysicalColumnType, reset, set

Method Detail

getWatermark

public WatermarkSpec getWatermark()

Returns the watermark to add.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object