当使用Dao时，utils.FileWithLineNum计算不准确。应该排除掉.gen.go

[itmisx]

加上!strings.HasSuffix(file,".gen.go")条件，才是准确的

// FileWithLineNum return the file name and line number of the current file
func FileWithLineNum() string {
	// the second caller usually from gorm internal, so set i start from 2
	for i := 2; i < 15; i++ {
		_, file, line, ok := runtime.Caller(i)
		if ok && (!strings.HasPrefix(file, gormSourceDir) || strings.HasSuffix(file, "_test.go")) && !strings.HasSuffix(file,".gen.go") {
			return file + ":" + strconv.FormatInt(int64(line), 10)
		}
	}

	return ""
}

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