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Drizzle ORM · Function

relations

Drizzle relations describe table links for nested relational queries. Define them with defineRelations, use r.one or r.many, and load them with the query builder's with option.

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Syntax

defineRelations(schema, (r) => ({ table: { relation: r.one.target({ from, to, optional, alias, where }) } }))

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  • defineRelations
  • one()
  • many()
  • One-to-one
  • One-to-many
  • Many-to-many
  • Predefined filters
  • Foreign keys

Source: Drizzle ORM - Drizzle Relations. Checked 2026-11-03.