In this document, you’ll learn about the attribute record, its five types, and
the values attached to it.
Product attribute
An attribute is a typed field in the shared catalog, represented by the
ProductAttribute data model (table product_attribute, id prefix pattr).
Each attribute carries a name, an optional handle, a rank for ordering, and
a type that decides how its values are validated and rendered.
The type field is one of the AttributeType enum values:
Product attribute value
The choices for select-style attributes are ProductAttributeValue records
(table product_attribute_value, id prefix pattrval). Each value belongs to
one attribute (attribute_id), has its own name, handle, and rank, and is
deleted along with its parent attribute.
single_select and multi_select attributes hold a list of predefined
ProductAttributeValue records. text and unit create a value on the fly
from the entered content when attached to a product. toggle is seeded with
its true / false values and never creates new ones.
Use is_required to enforce that a product must carry a value for the
attribute, and is_active to retire an attribute from new use without deleting
its history.
