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

entc/integration/ent/schema/document.go

@@ -0,0 +1,79 @@
+// 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 (
+	"crypto"
+	"database/sql"
+	"database/sql/driver"
+	"encoding/json"
+
+	"entgo.io/ent"
+	"entgo.io/ent/dialect"
+	"entgo.io/ent/schema/field"
+)
+
+// DocPayload is a custom type for blob fields.
+type DocPayload struct {
+	Title string `json:"title"`
+	Body  string `json:"body"`
+}
+
+// Document holds the schema definition for the Document entity.
+type Document struct {
+	ent.Schema
+}
+
+// Fields of the Document.
+func (Document) Fields() []ent.Field {
+	return []ent.Field{
+		field.String("name").
+			Unique(),
+		field.Blob("content").
+			Lazy().
+			HashKey(crypto.SHA256).
+			CheckRefs(),
+		field.Blob("thumbnail").
+			Lazy().
+			CheckRefs(),
+		field.Blob("attachment").
+			DualWrite().
+			CheckRefs(),
+		// "metadata" and the fields below deliberately skip CheckRefs, covering the
+		// default: cleanup removes the object without looking for other holders.
+		field.Blob("metadata").
+			Optional(),
+		field.Blob("payload").
+			DualWrite(map[string]string{
+				dialect.MySQL:    "longblob",
+				dialect.Postgres: "jsonb",
+				dialect.SQLite:   "json",
+			}).
+			GoType(&DocPayload{}).
+			ValueScanner(field.ValueScannerFunc[*DocPayload, *sql.NullString]{
+				V: func(v *DocPayload) (driver.Value, error) {
+					return json.Marshal(v)
+				},
+				S: func(s *sql.NullString) (*DocPayload, error) {
+					if !s.Valid {
+						return nil, nil
+					}
+					var p DocPayload
+					if err := json.Unmarshal([]byte(s.String), &p); err != nil {
+						return nil, err
+					}
+					return &p, nil
+				},
+			}).
+			Optional(),
+		field.Blob("description").
+			GoType("").
+			Optional(),
+		field.Blob("archive").
+			Lazy().
+			DualWrite().
+			Optional(),
+	}
+}