Review Board 1.7.22


HIVE-2329 RS dedup optimization shoud be avoided in some cases

Review Request #1313 - Created Aug. 8, 2011 and submitted

Navis Ryu
trunk
HIVE-2329
Reviewers
hive
cws, jvs
hive-git
If map aggregation is set to false, DISTRIBUTED BY followed by GROUP BY with same key fails in runtime. ReduceSinkDeDuplication optimization should be avoid if child of child RS is GBY. 
test added : reduce_deduplicate_exclude_gby.q
Review request changed
Updated (Dec. 7, 2011, 8:15 a.m.)
  • 
    	  

    test added : reduce_deduplicate_exclude_gby.q
  • changed from hive-0.8.0 to trunk
rebased to trunk