Jockey

Object type

Implements: Entity

Fields

Field	Args	Type	Description
id	—	ID! required	—
name	—	String! required	—
displayName	—	String	Operator-curated display name (participants.display_name) — editable via updateJockey.
firstName	—	String	—
lastName	—	String	—
nationality	—	String	—
allowance	—	Int	—
minimumWeight	—	Int	—
licenseType	—	String	—
rides	—	Int! required	Total rides — count of this jockey’s non-deleted race entries. Derived (not stored); 0 when they’ve never ridden.
lastActive	—	DateTime	Date of this jockey’s most recent ride (latest scheduled race they have an entry in), or null if they’ve never ridden.
version	—	Int! required	Optimistic-locking version (participants.version) — pass as expectedVersion on updateJockey.
sportId	—	ID! required	—
createdAt	—	DateTime! required	When the participant row was first inserted (participants.created_at).
aliases	—	[ParticipantAlias!]! required	Records merged into this canonical via the M22 merge flow (REQ-009).