In MongoDB, an IndexOutOfBound is thrown:
{quote}
java.lang.IndexOutOfBoundsException: Index: 0
{quote}
with
{code}
@Test
public void testAVG() throws Exception {
Long result = session.createQuery( "SELECT AVG(h.id) from Hypothesis h" ).uniqueResult();
assertThat( result ).onProperty( "id" ).containsOnly( "14", "15", "17" );
System.out.println( result );
}
{code}
Sometimes no error is thrown but the query does not return the expected result, like:
{code}
String countQuery = "SELECT COUNT(t.id) FROM " + shortClassName + " t ";
TypedQuery<Long> query = __entityManager.createQuery(countQuery, Long.class);
Long count = query.getSingleResult();
...
{code}
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