Optional documentation or description text that provides additional context about the purpose and usage of this field.
The unique identifier assigned to this field within the Iceberg table schema, used for schema evolution and field tracking.
The name of the field as it appears in the table schema and query operations.
Indicates whether this field is required (non-nullable) or optional (nullable) in the table schema.
The data type definition for this field, specifying the structure and format of the data it contains.