MySQLStoredProcedureTest.java 文件源码

@Test
public void testFunction() {
    try {
        doInJPA(entityManager -> {
            StoredProcedureQuery query = entityManager.createStoredProcedureQuery("fn_count_comments");
            query.registerStoredProcedureParameter("postId", Long.class, ParameterMode.IN);

            query.setParameter("postId", 1L);

            Long commentCount = (Long) query.getSingleResult();
            assertEquals(Long.valueOf(2), commentCount);
        });
    } catch (Exception e) {
        assertTrue(Pattern.compile("PROCEDURE high_performance_java_persistence.fn_count_comments does not exist").matcher(e.getCause().getCause().getMessage()).matches());
    }
}