CREATE TABLE dest_j1(key STRING, value STRING, val2 STRING) STORED AS TEXTFILE; -- Mapjoin followed by Mapjoin is not supported. -- The same query would work without the hint -- Note that there is a positive test with the same name in clientpositive EXPLAIN EXTENDED INSERT OVERWRITE TABLE dest_j1 SELECT /*+ MAPJOIN(x,z) */ x.key, z.value, y.value FROM src1 x JOIN src y ON (x.key = y.key) JOIN srcpart z ON (x.value = z.value and z.ds='2008-04-08' and z.hr=11);