enum NullOrder 🔹

Language	Type name
.NET	Amazon.CDK.AWS.S3Tables.Alpha.NullOrder
Java	software.amazon.awscdk.services.s3tables.alpha.NullOrder
Python	aws_cdk.aws_s3tables_alpha.NullOrder
TypeScript (source)	@aws-cdk/aws-s3tables-alpha » NullOrder

Null ordering values for Iceberg sort fields.

Example

// Build a table with partition spec, sort order, and table properties
const advancedTable = new Table(scope, 'AdvancedTable', {
    tableName: 'advanced_table',
    namespace: namespace,
    openTableFormat: OpenTableFormat.ICEBERG,
    icebergMetadata: {
        icebergSchema: {
            schemaFieldList: [
                { id: 1, name: 'event_date', type: 'date', required: true },
                { id: 2, name: 'user_id', type: 'string', required: true },
            ],
        },
        icebergPartitionSpec: {
            specId: 0,
            fields: [
                {
                    sourceId: 1,
                    transform: IcebergTransform.IDENTITY,
                    name: 'date_partition',
                    fieldId: 1000,
                },
            ],
        },
        icebergSortOrder: {
            orderId: 1,
            fields: [
                {
                    sourceId: 1,
                    transform: IcebergTransform.IDENTITY,
                    direction: SortDirection.ASC,
                    nullOrder: NullOrder.NULLS_LAST,
                },
            ],
        },
        tableProperties: [
            { key: 'write.format.default', value: 'parquet' },
        ],
    },
});

Members

Name	Description
NULLS_FIRST 🔹	Place null values before non-null values.
NULLS_LAST 🔹	Place null values after non-null values.

---

NULLS_FIRST 🔹

Place null values before non-null values.

---

NULLS_LAST 🔹

Place null values after non-null values.