second clause of AND, OR filter not applied for vectorized execution

Query

select ddate, dnumbertables23008 from factsqlengineam_vec_orc where ddate = "2013-01-08 00:00:00" and dnumbertables23008 = 1052436;

returns rows where dnumbertables23008 != 1052436.

Actual results:

636087 rows

Sample:

...
2013-01-08 00:00:00 0
2013-01-08 00:00:00 0
2013-01-08 00:00:00 108
2013-01-08 00:00:00 0
2013-01-08 00:00:00 0
2013-01-08 00:00:00 1625
2013-01-08 00:00:00 210
2013-01-08 00:00:00 0
2013-01-08 00:00:00 209
2013-01-08 00:00:00 0
...

Expected results:

Either no rows returned, or all rows have 1052436 in second column.