if length, _ := columnType.Length(); (fullSupported || length != 0) && length != 100 {
				t.Fatalf("name_ignore_migration's length should still be 100 but got %v", length)
			}
		}
	}
}

func TestMigrateWithColumnComment(t *testing.T) {
	type UserWithColumnComment struct {
		gorm.Model
		Name string `gorm:"size:111;comment:this is a 字段"`
	}

	if err := DB.Migrator().DropTable(&UserWithColumnComment{}); err != nil {