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

entc/integration/migrate/entv2/schema/conversion.go

@@ -0,0 +1,51 @@
+// 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/field"
+)
+
+// Conversion holds the schema definition for the Conversion entity.
+type Conversion struct {
+	ent.Schema
+}
+
+// Fields of the Conversion.
+func (Conversion) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("name").
+			Optional(),
+		// Convert integer fields to string
+		// Postgres uses the same type for int8 and int16
+		// Postgres loses unsigned so we have assume value is signed
+		field.String("int8_to_string").
+			Optional().
+			Annotations(entsql.Annotation{Size: 6}),
+		field.String("uint8_to_string").
+			Optional().
+			Annotations(entsql.Annotation{Size: 6}),
+		field.String("int16_to_string").
+			Optional().
+			Annotations(entsql.Annotation{Size: 6}),
+		field.String("uint16_to_string").
+			Optional().
+			Annotations(entsql.Annotation{Size: 6}),
+		field.String("int32_to_string").
+			Optional().
+			Annotations(entsql.Annotation{Size: 12}),
+		field.String("uint32_to_string").
+			Optional().
+			Annotations(entsql.Annotation{Size: 12}),
+		field.String("int64_to_string").
+			Optional().
+			Annotations(entsql.Annotation{Size: 21}),
+		field.String("uint64_to_string").
+			Optional().
+			Annotations(entsql.Annotation{Size: 21}),
+	}
+}

entc/integration/migrate/entv2/schema/customtype.go

@@ -0,0 +1,39 @@
+// 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"
+	"entgo.io/ent/schema/field"
+)
+
+// CustomType holds the schema definition for the CustomType entity.
+type CustomType struct {
+	ent.Schema
+}
+
+// Fields of the CustomType.
+func (CustomType) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("custom").
+			Optional().
+			SchemaType(map[string]string{
+				dialect.Postgres: "customtype",
+			}),
+		field.Time("tz0").
+			Optional().
+			SchemaType(map[string]string{
+				dialect.MySQL:    "timestamp(0)",
+				dialect.Postgres: "timestamptz(0)",
+			}),
+		field.Time("tz3").
+			Optional().
+			SchemaType(map[string]string{
+				dialect.MySQL:    "timestamp(3)",
+				dialect.Postgres: "timestamptz(3)",
+			}),
+	}
+}

entc/integration/migrate/entv2/schema/media.go

@@ -0,0 +1,57 @@
+// 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/field"
+	"entgo.io/ent/schema/index"
+)
+
+// Media holds the schema definition for the Media entity.
+type Media struct {
+	ent.Schema
+}
+
+// Fields of the Media.
+func (Media) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("source").
+			Optional(),
+		field.String("source_uri").
+			Optional().
+			Comment("source_ui text").
+			Annotations(entsql.WithComments(false)),
+		field.Text("text").
+			Optional().
+			Comment("media text"),
+	}
+}
+
+// Indexes of the Media.
+func (Media) Indexes() []ent.Index {
+	return []ent.Index{
+		index.Fields("source", "source_uri").
+			Annotations(entsql.PrefixColumn("source", 100)).
+			Unique(),
+		// MySQL allow indexing text column prefix.
+		index.Fields("text").
+			Annotations(entsql.Prefix(100)),
+	}
+}
+
+// Annotations of the Media.
+func (Media) Annotations() []schema.Annotation {
+	return []schema.Annotation{
+		schema.Comment("Comment that appears in both the schema and the generated code"),
+		entsql.WithComments(true),
+		entsql.Check("text <> 'boring'"),
+		entsql.Checks(map[string]string{
+			"boring_check": "source_uri <> 'entgo.io'",
+		}),
+	}
+}

entc/integration/migrate/entv2/schema/user.go

@@ -0,0 +1,260 @@
+// 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 (
+	"time"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect"
+	"entgo.io/ent/dialect/entsql"
+	"entgo.io/ent/schema"
+	"entgo.io/ent/schema/edge"
+	"entgo.io/ent/schema/field"
+	"entgo.io/ent/schema/index"
+	"entgo.io/ent/schema/mixin"
+
+	"ariga.io/atlas/sql/postgres"
+	"github.com/google/uuid"
+)
+
+type Mixin struct {
+	mixin.Schema
+}
+
+func (m Mixin) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("mixed_string").
+			Default("default"),
+		field.Enum("mixed_enum").
+			Values("on", "off").
+			Default("on"),
+	}
+}
+
+// User holds the schema definition for the User entity.
+type User struct {
+	ent.Schema
+}
+
+func (User) Mixin() []ent.Mixin {
+	return []ent.Mixin{
+		Mixin{},
+	}
+}
+
+// Fields of the User.
+func (User) Fields() []ent.Field {
+	return []ent.Field{
+		field.Int("id").
+			StorageKey("oid"),
+		// add a new column.
+		field.Bool("active").
+			Default(true),
+		// changing the type of the field.
+		field.Int("age"),
+		// extending name field to longtext.
+		field.Text("name"),
+		// extending the index prefix below (on MySQL).
+		field.Text("description").
+			Optional(),
+		// changing nickname from unique no non-unique.
+		field.String("nickname").
+			MaxLen(255),
+		// adding new columns (must be either optional, or with a default value).
+		field.String("phone").
+			Default("unknown"),
+		field.Bytes("buffer").
+			Optional().
+			DefaultFunc(func() []byte { return []byte("null") }),
+		// adding new column with supported default value
+		// in the database side, will append this value to
+		// all existing rows.
+		field.String("title").
+			Default("SWE"),
+		// change column name and reference it to the
+		// previous one using storage-key ("renamed").
+		field.String("new_name").
+			Optional().
+			StorageKey("renamed"),
+		// change column name from "old_token" to "new_token"
+		// and use Atlas diff hook in the migration.
+		field.String("new_token").
+			DefaultFunc(uuid.NewString),
+		// extending the blob size.
+		field.Bytes("blob").
+			Optional().
+			MaxLen(1000),
+		// adding enum to the `state` column.
+		field.Enum("state").
+			Optional().
+			Values("logged_in", "logged_out", "online").
+			Default("logged_in"),
+		// convert string to enum.
+		field.Enum("status").
+			Optional().
+			Values("done", "pending"),
+		// remove the max-length constraint from varchar.
+		field.String("workplace").
+			Optional(),
+		// JSON field with database-default value.
+		field.Strings("roles").
+			Optional().
+			Annotations(entsql.Default(`[]`)),
+		field.String("default_expr").
+			Optional().
+			Annotations(entsql.DefaultExpr("lower('hello')")),
+		field.String("default_exprs").
+			Optional().
+			Annotations(entsql.DefaultExprs(map[string]string{
+				dialect.MySQL:    "TO_BASE64('ent')",
+				dialect.SQLite:   "hex('ent')",
+				dialect.Postgres: "md5('ent')",
+			})),
+		// add a new column with generated values by the database.
+		field.Time("created_at").
+			Default(time.Now).
+			Annotations(&entsql.Annotation{
+				Default: "CURRENT_TIMESTAMP",
+			}),
+		// nullable field was changed to non-nullable without a static
+		// default value, and it requires apply hook to fix this.
+		field.String("drop_optional").
+			DefaultFunc(uuid.NewString),
+		// deleting the `address` column.
+	}
+}
+
+func (User) Edges() []ent.Edge {
+	return []ent.Edge{
+		// Edge(children<-M2O->parent) to be dropped.
+		// Edge(spouse<-O2O->spouse) to be dropped.
+		edge.To("car", Car.Type),
+		// New edges to added.
+		edge.To("pets", Pet.Type).
+			StorageKey(edge.Column("owner_id"), edge.Symbol("user_pet_id")).
+			Unique(),
+		edge.To("friends", User.Type).
+			StorageKey(
+				edge.Table("friends"),
+				edge.Columns("user", "friend"),
+				edge.Symbols("user_friend_id1", "user_friend_id2"),
+			),
+	}
+}
+
+func (User) Indexes() []ent.Index {
+	return []ent.Index{
+		// Extend the column prefix by drop and create
+		// this index on MySQL.
+		index.Fields("description").
+			Annotations(entsql.Prefix(100)),
+		// Deleting old indexes (name, address),
+		// and defining a new one.
+		index.Fields("phone", "age").
+			Unique(),
+		index.Fields("age").
+			Annotations(entsql.Desc()),
+		// Enable FULLTEXT search on "nickname"
+		// field only in MySQL.
+		index.Fields("nickname").
+			Annotations(
+				entsql.IndexTypes(map[string]string{
+					dialect.MySQL: "FULLTEXT",
+				}),
+			),
+		// For PostgreSQL, we can include in the index non-key columns.
+		index.Fields("workplace").
+			Annotations(
+				entsql.IncludeColumns("nickname"),
+			),
+		// For PostgreSQL and SQLite, users can define partial indexes.
+		index.Fields("phone").
+			Annotations(
+				entsql.IndexWhere(`active AND "phone" <> ''`),
+			),
+		// For PostgreSQL, operator classes can be configured for each field.
+		index.Fields("age", "phone").
+			Annotations(
+				entsql.OpClassColumn("phone", "bpchar_pattern_ops"),
+			),
+	}
+}
+
+type Car struct {
+	ent.Schema
+}
+
+// Annotations of the Car.
+func (Car) Annotations() []schema.Annotation {
+	return []schema.Annotation{
+		entsql.Annotation{Table: "Car"},
+	}
+}
+
+func (Car) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("name").
+			Optional().
+			Unique(),
+	}
+}
+
+func (Car) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.From("owner", User.Type).
+			Ref("car").
+			Unique().
+			// Make the M20 edge from nullable to required edge.
+			// Requires column and foreign-key migration.
+			Required(),
+	}
+}
+
+// Group schema.
+type Group struct{ ent.Schema }
+
+// Blog schema.
+type Blog struct{ ent.Schema }
+
+func (Blog) Fields() []ent.Field {
+	return []ent.Field{
+		field.Int("id").
+			SchemaType(map[string]string{
+				dialect.Postgres: postgres.TypeSerial,
+			}),
+		field.Int("oid").
+			SchemaType(map[string]string{
+				dialect.Postgres: postgres.TypeSerial,
+			}),
+	}
+}
+
+func (Blog) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.To("admins", User.Type),
+	}
+}
+
+// Pet schema.
+type Pet struct {
+	ent.Schema
+}
+
+func (Pet) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("name").
+			Optional().
+			Unique(),
+	}
+}
+
+func (Pet) Edges() []ent.Edge {
+	return []ent.Edge{
+		edge.From("owner", User.Type).
+			Ref("pets").
+			Unique(),
+	}
+}

entc/integration/migrate/entv2/schema/zoo.go

@@ -0,0 +1,31 @@
+// 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"
+	"entgo.io/ent/dialect/entsql"
+	"entgo.io/ent/schema/field"
+)
+
+// Zoo holds the schema definition for the Zoo entity.
+type Zoo struct {
+	ent.Schema
+}
+
+// Fields of the Zoo.
+func (Zoo) Fields() []ent.Field {
+	return []ent.Field{
+		field.Int("id").
+			Annotations(
+				entsql.DefaultExprs(map[string]string{
+					dialect.MySQL:    "floor(rand() * ~(1<<31))",
+					dialect.SQLite:   "abs(random())",
+					dialect.Postgres: "floor(random() * ~(1<<31))",
+				}),
+			),
+	}
+}