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

examples/migration/ent/schema/card.go

@@ -0,0 +1,55 @@
+// 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/dialect/entsql"
+	"entgo.io/ent/schema"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+)
+
+// Card holds the schema definition for the Card entity.
+type Card struct {
+	ent.Schema
+}
+
+// Fields of the Card.
+func (Card) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("type").
+			Default("unknown"),
+		field.String("number_hash"),
+		field.String("cvv_hash"),
+		field.Time("expires_at").
+			Optional(),
+		field.Int("owner_id").
+			Default(0),
+	}
+}
+
+// Edges of the Card.
+func (Card) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.From("owner", User.Type).
+			Ref("cards").
+			Unique().
+			Required().
+			Field("owner_id"),
+		edge.To("payments", Payment.Type),
+	}
+}
+
+// Annotations of the Card.
+func (Card) Annotations() []schema.Annotation {
+	return []schema.Annotation{
+		// Named check constraints are compared by their name.
+		// Thus, the definition does not need to be normalized.
+		entsql.Checks(map[string]string{
+			"number_hash_length": "(LENGTH(`number_hash`) = 16)",
+		}),
+	}
+}

examples/migration/ent/schema/payment.go

@@ -0,0 +1,63 @@
+// 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/dialect/entsql"
+	"entgo.io/ent/schema"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+	"entgo.io/ent/schema/index"
+)
+
+// Payment holds the schema definition for the Payment entity.
+type Payment struct {
+	ent.Schema
+}
+
+// Fields of the Payment.
+func (Payment) Fields() []ent.Field {
+	return []ent.Field{
+		field.Int("card_id"),
+		field.Float("amount").
+			Positive(),
+		field.Enum("currency").
+			Values("USD", "EUR", "VND", "ILS"),
+		field.Time("time"),
+		field.String("description"),
+		field.Enum("status").
+			Values("pending", "completed", "failed"),
+	}
+}
+
+// Edges of the Payment.
+func (Payment) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.From("card", Card.Type).
+			Ref("payments").
+			Unique().
+			Required().
+			Field("card_id"),
+	}
+}
+
+// Indexes of the Payment.
+func (Payment) Indexes() []ent.Index {
+	return []ent.Index{
+		index.Fields("status", "time"),
+	}
+}
+
+// Annotations of the Payment.
+func (Payment) Annotations() []schema.Annotation {
+	return []schema.Annotation{
+		// Named check constraints are compared by their name.
+		// Thus, the definition does not need to be normalized.
+		entsql.Checks(map[string]string{
+			"amount_positive": "(`amount` > 0)",
+		}),
+	}
+}

examples/migration/ent/schema/pet.go

@@ -0,0 +1,58 @@
+// 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/dialect/entsql"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+	"entgo.io/ent/schema/index"
+	"github.com/google/uuid"
+)
+
+// Pet holds the schema definition for the Pet entity.
+type Pet struct {
+	ent.Schema
+}
+
+// Fields of the Pet.
+func (Pet) Fields() []ent.Field {
+	return []ent.Field{
+		field.UUID("id", uuid.Nil).
+			Default(uuid.New),
+		field.String("name"),
+		field.Float("age"),
+		field.Float("weight"),
+		field.UUID("best_friend_id", uuid.Nil).
+			Annotations(
+				entsql.Default(uuid.Nil.String()),
+			),
+		field.Int("owner_id").
+			Default(0),
+	}
+}
+
+// Edges of the Pet.
+func (Pet) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.To("best_friend", Pet.Type).
+			Unique().
+			Required().
+			Field("best_friend_id"),
+		edge.To("owner", User.Type).
+			Unique().
+			Required().
+			Field("owner_id"),
+	}
+}
+
+// Indexes of the Pet.
+func (Pet) Indexes() []ent.Index {
+	return []ent.Index{
+		index.Fields("name", "owner_id").
+			Unique(),
+	}
+}

examples/migration/ent/schema/session.go

@@ -0,0 +1,100 @@
+package schema
+
+import (
+	"entgo.io/ent"
+	"entgo.io/ent/dialect/entsql"
+	"entgo.io/ent/schema"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+	"entgo.io/ent/schema/index"
+	"github.com/google/uuid"
+)
+
+// Session holds the schema definition for the Session entity.
+type Session struct {
+	ent.Schema
+}
+
+// Fields of the Session.
+func (Session) Fields() []ent.Field {
+	return []ent.Field{
+		field.UUID("id", uuid.Nil).
+			Default(uuid.New),
+		field.Bool("active").
+			Default(false),
+		field.Time("issued_at"),
+		field.Time("expires_at").
+			Optional(),
+		field.String("token").
+			Optional(),
+		field.JSON("method", map[string]any{}).
+			Optional(),
+		field.UUID("device_id", uuid.Nil).
+			Optional(),
+	}
+}
+
+// Edges of the Session.
+func (Session) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.From("device", SessionDevice.Type).
+			Ref("sessions").
+			Unique().
+			Field("device_id"),
+	}
+}
+
+// Indexes of the Session.
+func (Session) Indexes() []ent.Index {
+	return []ent.Index{
+		index.Fields("active", "expires_at"),
+	}
+}
+
+// Annotations of the Session.
+func (Session) Annotations() []schema.Annotation {
+	return []schema.Annotation{
+		// Named check constraints are compared by their name.
+		// Thus, the definition does not need to be normalized.
+		entsql.Checks(map[string]string{
+			"token_length": "(LENGTH(`token`) = 64)",
+		}),
+	}
+}
+
+// SessionDevice holds the schema definition for the SessionDevice entity.
+type SessionDevice struct {
+	ent.Schema
+}
+
+// Fields of the SessionDevice.
+func (SessionDevice) Fields() []ent.Field {
+	return []ent.Field{
+		field.UUID("id", uuid.Nil).
+			Default(uuid.New),
+		field.String("ip_address").
+			MaxLen(50),
+		field.String("user_agent").
+			MaxLen(512),
+		field.String("location").
+			MaxLen(512),
+		field.Time("created_at"),
+		field.Time("updated_at").
+			Optional(),
+	}
+}
+
+// Edges of the SessionDevice.
+func (SessionDevice) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.To("sessions", Session.Type),
+	}
+}
+
+// Indexes of the SessionDevice.
+func (SessionDevice) Indexes() []ent.Index {
+	return []ent.Index{
+		index.Fields("ip_address", "user_agent"),
+		index.Fields("location", "updated_at"),
+	}
+}

examples/migration/ent/schema/user.go

@@ -0,0 +1,52 @@
+// 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/dialect/entsql"
+	"entgo.io/ent/schema"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+)
+
+// User holds the schema definition for the User entity.
+type User struct {
+	ent.Schema
+}
+
+// Fields of the User.
+func (User) Fields() []ent.Field {
+	return []ent.Field{
+		field.Float("age"),
+		field.String("first_name"),
+		field.String("last_name"),
+		field.Strings("tags").
+			Optional(),
+	}
+}
+
+// Annotations of the User.
+func (User) Annotations() []schema.Annotation {
+	return []schema.Annotation{
+		// In case schema.ModeInspect is used without a dev-database, unnamed check constraints
+		// should be normalized (i.e. identical to their definition in the database). In this
+		// case, it is entsql.Check("(`age` > 0)"). See: https://atlasgo.io/concepts/dev-database.
+		entsql.Check("age > 0"),
+
+		// Named check constraints are compared by their name.
+		// Thus, the definition does not need to be normalized.
+		entsql.Checks(map[string]string{
+			"first_last_not_empty": "(`first_name` <> '' AND `last_name` <> '')",
+		}),
+	}
+}
+
+// Edges of the User.
+func (User) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.To("cards", Card.Type),
+	}
+}