com.datastrato.gravitino.rel

Class TableChange.AddColumn

java.lang.Object

com.datastrato.gravitino.rel.TableChange.AddColumn

All Implemented Interfaces:

TableChange, TableChange.ColumnChange

Enclosing interface:

TableChange

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

A TableChange to add a field. The implementation may need to back-fill all the existing data to add this new column, or remember the column default value specified here and let the reader fill the column value when reading existing data that do not have this new column.

If the field already exists, the change must result in an IllegalArgumentException. If the new field is nested and its parent does not exist or is not a struct, the change must result in an IllegalArgumentException.

Nested Class Summary

Nested classes/interfaces inherited from interface com.datastrato.gravitino.rel.TableChange

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

Method Summary

Modifier and Type	Method and Description
java.lang.String[]	fieldName()

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.datastrato.gravitino.rel.TableChange

addColumn, addColumn, addColumn, addColumn, addColumn, addColumn, addColumn, deleteColumn, removeProperty, rename, renameColumn, setProperty, updateColumnComment, updateColumnNullability, updateColumnPosition, updateColumnType, updateComment

Method Detail

fieldName

public java.lang.String[] fieldName()

Specified by:

fieldName in interface TableChange.ColumnChange