assertTrue("error artistName:" + artistName, expectedArtists.contains(artistName));
}
public void testGroupByJoinedEntities() throws Exception {
createArtistsPaintingGalleries();
EJBQLQuery query = new EJBQLQuery(
"SELECT COUNT(p), p.toArtist, p.toGallery FROM Painting p "
+ "GROUP BY p.toGallery, p.toArtist ");
List<Object[]> data = context.performQuery(query);
assertNotNull(data);
assertEquals(2, data.size());