不区分大小写的查询

Question

我有一些可能有数字和字母混合的票号.我将ticketNumberIds传入这个方法(用户输入),我希望它能够查询Oracle数据库,并让查询选择不同大小写的票据.

如何使以下不区分大小写的查询？

public List<TicketDO> getTicketDOsById(final List<String> ticketNumberIds) {

    String myQuery = "from TicketDO t where t.ticketNumberId in (:ticketNumberIds)";

    return getEntityManager().createQuery(myQuery).setParameter("ticketNumberIds", ticketNumberIds)
    .getResultList();

}

Answer 1

您可以使用UPPER执行不区分大小写的查询.

public List<TicketDO> getTicketDOsById(final List<String> ticketNumberIds) {

    String myQuery = "from TicketDO t where UPPER(t.ticketNumberId) in (:ticketNumberIds)";
    List<String> upperNumbers = new ArrayList<String>();
    for (String number : ticketNumberIds) {
        upperNumbers.add(number.toUppercase());
    }
    return getEntityManager().createQuery(myQuery).setParameter("ticketNumberIds", upperNumbers)
    .getResultList();

}