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我正在使用带有 spring-boot 2.4.5 的 PostgreSQL 12 和它附带的 spring-data 版本。

这是我的 PagingAndSortingRepository 中的查询。

    @Query(nativeQuery = true,
        value = "SELECT u.user_id, u.password, " +
        " pgp_sym_decrypt(u.firstname, " + EncryptionDetails.KEY + ") AS firstname," +
        " pgp_sym_decrypt(u.lastname, " + EncryptionDetails.KEY + ") AS lastname," +
        " pgp_sym_decrypt(u.email, " + EncryptionDetails.KEY + ") AS email," +
        " u.language, u.is_active, u.reset_password, u.country," +
        " pgp_sym_decrypt(u.phone_number, " + EncryptionDetails.KEY + ") AS phone_number," +
        " u.last_connection, u.growing_season_id, u.category, u.pass_phrase" +
        " FROM public.\"user\" u" +
        " WHERE UPPER(UNACCENT(pgp_sym_decrypt(u.firstname, " + EncryptionDetails.KEY + "))) SIMILAR TO '(_{0}|%[[:space:]]|%[[:punct:]])' || UPPER(UNACCENT(:query)) || '%'" +
        " OR UPPER(UNACCENT(pgp_sym_decrypt(u.lastname, " + EncryptionDetails.KEY + "))) SIMILAR TO '(_{0}|%[[:space:]]|%[[:punct:]])' || UPPER(UNACCENT(:query)) || '%'"+
        " OR UPPER(UNACCENT(pgp_sym_decrypt(u.email, " + EncryptionDetails.KEY + "))) SIMILAR TO '(_{0}|%[[:space:]]|%[[:punct:]])' || UPPER(UNACCENT(:query)) || '%'" +
        " ORDER BY lastname, firstname ASC --#pageable\n",
        countQuery = "SELECT count(1) " +
        " FROM public.\"user\" u" +
        " WHERE UPPER(UNACCENT(pgp_sym_decrypt(u.firstname, " + EncryptionDetails.KEY + "))) SIMILAR TO '(_{0}|%[[:space:]]|%[[:punct:]])' || UPPER(UNACCENT(:query)) || '%'" +
        " OR UPPER(UNACCENT(pgp_sym_decrypt(u.lastname, " + EncryptionDetails.KEY + "))) SIMILAR TO '(_{0}|%[[:space:]]|%[[:punct:]])' || UPPER(UNACCENT(:query)) || '%'" +
        " OR UPPER(UNACCENT(pgp_sym_decrypt(u.email, " + EncryptionDetails.KEY + "))) SIMILAR TO '(_{0}|%[[:space:]]|%[[:punct:]])' || UPPER(UNACCENT(:query)) || '%'")
Page<User> search(@Param("query") String query, Pageable pageable);

我正在像这样测试它：

@Test
void search_lastName() {
    Page<User> results = this.userDao.search("lAstnAme", PageRequest.of(0, 2));

    assertEquals(7, results.getTotalElements(), this.logUsers(results));
    assertEquals(2, results.getNumberOfElements(), this.logUsers(results));
    assertEquals(4, results.getTotalPages(), this.logUsers(results));
}

此测试方法位于一个扩展 SpringBootTest + TestContainers 类的类中，以创建一个包含数据的数据库。我应该从这个搜索中找到 7 个用户，他们应该分成 4 个大小为 2 的页面。在运行时从我的服务调用该查询时工作正常，但在我的测试调用时它不起作用，而是返回：

results.getTotalElements() = 7
results.getNumberOfElements() = 7
results.getTotalPages() = 4
results.getSize() = 2

如果我对 Pages 的理解正确，应该是

results.getTotalElements() = 7
results.getNumberOfElements() = 2
results.getTotalPages() = 4
results.getSize() = 2

Size 怎么会小于 NumberOfElements？

作为旁注，这在 Spring 1.5.19 中运行良好，但使用的是 Junit4。

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