IN operator

func AddAttachments(templateId int, attachmentIds []int) (sql.Result, error) {
    glue := fmt.Sprintf("),(%d,", templateId)
    valuesSyntax := strings.Join(IntSliceToStringSlice(attachmentIds), glue)
    valuesSyntax = fmt.Sprintf("(%d,%s)", templateId, valuesSyntax)

    // Return the query in format ... VALUES (1,20),(1,21),...
    return db.Exec(fmt.Sprintf(`INSERT OR IGNORE INTO templates_attachments VALUES %v`, valuesSyntax))
}