Ent Dataloader
Introduction
Ent dataloader generates datalodaers for edges.
Only O2M
(with edge field) and M2O
edges are currently supported.
package schema
import (
"entgo.io/ent"
"entgo.io/ent/schema/edge"
"entgo.io/ent/schema/field"
"github.com/cliedeman/entdataloader"
)
type User struct {
ent.Schema
}
func (User) Fields() []ent.Field {
return []ent.Field{
field.String("username").Unique(),
}
}
func (User) Edges() []ent.Edge {
return []ent.Edge{
edge.To("posts", Post.Type).
Annotations(entdataloader.Annotation{}),
}
}
type Post struct {
ent.Schema
}
func (Post) Fields() []ent.Field {
return []ent.Field{
field.Int("author_id").
Optional(),
}
}
func (Post) Edges() []ent.Edge {
return []ent.Edge{
edge.From("author", User.Type).
Ref("posts").
Field("author_id").
Unique().
Annotations(entdataloader.Annotation{}),
}
}