fix: 解决创建数据库用户重复的问题 (#1837)

backend/utils/mysql/client/local.go

@@ -39,6 +39,7 @@ func (r *Local) Create(info CreateInfo) error {
 	}
 
 	if err := r.CreateUser(info); err != nil {
+		_ = r.ExecSQL(fmt.Sprintf("drop database if exists `%s`", info.Name), info.Timeout)
 		return err
 	}
 

backend/utils/mysql/client/remote.go

@@ -40,6 +40,7 @@ func (r *Remote) Create(info CreateInfo) error {
 	}
 
 	if err := r.CreateUser(info); err != nil {
+		_ = r.ExecSQL(fmt.Sprintf("drop database if exists `%s`", info.Name), info.Timeout)
 		return err
 	}