1 humberto 1.1.2.1 select * from class
 2                  select * from class where class = 5
 3                  select * from class where class <= 10
 4                  select * from class where class = 'blah'

 5 humberto 1.1.2.2 select class from class1
 6                  select class.prop from class
 7                  select class.class1.class2.class3.prop from class where prop = 5
 8                  select * from class where class.prop = 5
 9                  select A::prop#OK from class
10                  select class.class1.class2.A::prop#OK from class where prop != 'blah'

11 humberto 1.1.2.3 select prop[4] from class