根据数据库的日期获取结果而不考虑时间

Question

我想从数据库中获取特定日期发生的结果。问题是数据库包含日期+时间，但我只需要基于日期部分的结果。

@Query("from TableA where traveller = ?1 and direction = ?2 and targetDate = ?3")
List<TableA> findListOfRequestsWithDateAndTraveller(String traveller, String direction, Date date);

Answer 1

尝试使用日期函数，在此处找到：date(timestamp_field)

@Query("from TableA where traveller = ?1 and direction = ?2 and date(targetDate) = ?3")
List<TableA> findListOfRequestsWithDateAndTraveller(String traveller, String direction, Date date);

Answer 2

我通过在 java 而不是查询下处理它来解决这个问题。

@Query("from TableA where traveller = ?1 and direction = ?2 and targetTime >= ?3 and targetTime <= ?4")
List<PBillableRequest> findListOfRequestsWithDateAndTraveller(String traveller, String direction, Date startDate, Date endDate);

为了获取开始日期和结束日期，我使用了这个函数。

public Date getEndOfDay(Date date) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);
    calendar.set(Calendar.HOUR_OF_DAY, 23);
    calendar.set(Calendar.MINUTE, 59);
    calendar.set(Calendar.SECOND, 59);
    calendar.set(Calendar.MILLISECOND, 999);
    return calendar.getTime();
}

public Date getStartOfDay(Date date) {
    Calendar calendar = Calendar.getInstance();
    calendar.setTime(date);
    calendar.set(Calendar.HOUR_OF_DAY, 0);
    calendar.set(Calendar.MINUTE, 0);
    calendar.set(Calendar.SECOND, 0);
    calendar.set(Calendar.MILLISECOND, 0);
    return calendar.getTime();
}

根据数据库的日期获取结果而不考虑时间

Fetch results on the basis of date from db without considering time

java

sql

postgresql

hql