snapshot of https://github.com/ent/ent.git (master, 2026-09-15; blobs > 131072B omitted)

entc/integration/edgeschema/ent/schema/relationship.go

@@ -0,0 +1,87 @@
+// Copyright 2019-present Facebook Inc. All rights reserved.
+// This source code is licensed under the Apache 2.0 license found
+// in the LICENSE file in the root directory of this source tree.
+
+package schema
+
+import (
+	"entgo.io/ent"
+	"entgo.io/ent/entc/integration/edgeschema/ent/privacy"
+	"entgo.io/ent/schema"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+	"entgo.io/ent/schema/index"
+)
+
+// Relationship holds the schema definition for the Relationship entity.
+type Relationship struct {
+	ent.Schema
+}
+
+func (Relationship) Annotations() []schema.Annotation {
+	return []schema.Annotation{
+		field.ID("user_id", "relative_id"),
+	}
+}
+
+// Fields of the Relationship.
+func (Relationship) Fields() []ent.Field {
+	return []ent.Field{
+		field.Int("weight").
+			Default(1),
+
+		// Edge fields for the fields that compose this edge.
+		// They also function as the primary key of the table.
+		field.Int("user_id"),
+		field.Int("relative_id"),
+
+		// An edge field to external node that holds
+		// additional information about this edge.
+		field.Int("info_id").
+			Optional(),
+	}
+}
+
+// Edges of the Relationship.
+func (Relationship) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.To("user", User.Type).
+			Required().
+			Unique().
+			Field("user_id"),
+		edge.To("relative", User.Type).
+			Required().
+			Unique().
+			Field("relative_id"),
+
+		// An optional edge to an entity that holds
+		// information about this relationship.
+		edge.To("info", RelationshipInfo.Type).
+			Field("info_id").
+			Unique(),
+	}
+}
+
+// Indexes of the Relationship.
+func (Relationship) Indexes() []ent.Index {
+	return []ent.Index{
+		index.Fields("weight"),
+
+		// A relationship-info can be connected to no more
+		// than one relationship object (and edge schema).
+		index.Edges("info").
+			Unique(),
+	}
+}
+
+// Policy defines the privacy policy of the Relationship.
+func (Relationship) Policy() ent.Policy {
+	return privacy.Policy{
+		Mutation: privacy.MutationPolicy{
+			privacy.AlwaysAllowRule(),
+		},
+		Query: privacy.QueryPolicy{
+			privacy.AlwaysAllowRule(),
+		},
+	}
+}