lookup-table

schema/elements/lookup-table/1.0.1/lookup-table.schema.json

A key-value mapping from integer keys to string values, stored as binary data. Used by categorical attributes to map integer codes to human-readable category names. Supports int32 and int64 key encoding.

Used by: category-data, category-ensemble, category-time-series.

See also: integer-array-1 (integer key storage), string-array (string value storage), binary-blob (underlying data reference).

Properties

lookup-table (v1.0.1)

Key-value pairs where keys are integers and values are strings.

Property	Type	Description	Flags
data	binary-blob	Data stored as a binary blob. Columns: key, value.	✅
length	Integer	Number of key-value pairs.	✅
keys_data_type	String	Data type for the keys.	✅
values_data_type	String	Data type for the values.	✅

Legend

Flag	Description
⬆️	Inherited property
✅	Required property