org.apache.gravitino.rel

Class TableChange.UpdateColumnNullability

java.lang.Object

org.apache.gravitino.rel.TableChange.UpdateColumnNullability

All Implemented Interfaces:

TableChange, TableChange.ColumnChange

Enclosing interface:

TableChange

public static final class TableChange.UpdateColumnNullability
extends java.lang.Object
implements TableChange.ColumnChange

A TableChange to update the nullability of a field.

The field names are used to find the field to update.

If the field does not exist, the change must result in an IllegalArgumentException.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.gravitino.rel.TableChange

TableChange.AddColumn, TableChange.AddIndex, TableChange.After, TableChange.ColumnChange, TableChange.ColumnPosition, TableChange.Default, TableChange.DeleteColumn, TableChange.DeleteIndex, TableChange.First, TableChange.RemoveProperty, TableChange.RenameColumn, TableChange.RenameTable, TableChange.SetProperty, TableChange.UpdateColumnAutoIncrement, TableChange.UpdateColumnComment, TableChange.UpdateColumnDefaultValue, TableChange.UpdateColumnNullability, TableChange.UpdateColumnPosition, TableChange.UpdateColumnType, TableChange.UpdateComment

Method Summary

Modifier and Type	Method and Description
boolean	equals(java.lang.Object o)
java.lang.String[]	fieldName() Retrieves the field name of the column whose nullability is being updated.
int	hashCode()
boolean	nullable() The nullable flag of the column.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.gravitino.rel.TableChange

addColumn, addColumn, addColumn, addColumn, addColumn, addColumn, addColumn, addColumn, addColumn, addColumn, addColumn, addColumn, addColumn, addIndex, deleteColumn, deleteIndex, removeProperty, rename, renameColumn, setProperty, updateColumnAutoIncrement, updateColumnComment, updateColumnDefaultValue, updateColumnNullability, updateColumnPosition, updateColumnType, updateComment

Method Detail

fieldName

public java.lang.String[] fieldName()

Retrieves the field name of the column whose nullability is being updated.

Specified by:

fieldName in interface TableChange.ColumnChange

Returns:

An array of strings representing the field name.

nullable

public boolean nullable()

The nullable flag of the column.

Returns:

true if the column is nullable; false otherwise.

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object