gravitino.api.rel.table_change.UpdateColumnType

final class gravitino.api.rel.table_change.UpdateColumnType(_field_name: list[str], _new_data_type: Type)

Bases: ColumnChange

A TableChange to update the type 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.

__init__(_field_name: list[str], _new_data_type: Type) → None

Methods

__init__(_field_name, _new_data_type)
field_name()	Retrieves the field name of the column to be modified.
get_field_name()
get_new_data_type()

field_name() → list[str]

Retrieves the field name of the column to be modified.

Returns:

list[str]:

A list of strings representing the field name.