修复：软删除账号可复用用户名

2026-08-13 14:40:22 +08:00
parent 91c055c130
commit 33a30fcd99
3 changed files with 29 additions and 1 deletions
@@ -19,7 +19,9 @@ type User struct {
 	UpdatedAt time.Time      `json:"updated_at"`
 	DeletedAt gorm.DeletedAt `gorm:"index" json:"-"`

-	Username     string `gorm:"uniqueIndex;size:64;not null" json:"username"`
+	// Username uniqueness is enforced by a partial database index for active
+	// accounts, allowing a username to be reused after its old account is soft deleted.
+	Username     string `gorm:"size:64;not null" json:"username"`
 	PasswordHash string `gorm:"size:255;not null" json:"-"`
 	Nickname     string `gorm:"size:64" json:"nickname"`
 	Role         string `gorm:"size:32;not null;default:merchant" json:"role"`