tree f7324d5a4a7d84d63eee2b6fbb3f70ae14e22a36
parent 4191a5fdfbced120e18c63c5892922ddc2f5bbf9
author Yingyi Bu <buyingyi@gmail.com> 1402112912 -0700
committer Ian Maxon <imaxon@uci.edu> 1402351994 -0800

1. fix asterixdb issue 782
   --- push nested pipeline before a nested group-by operator into the combiner group-by operator in the AbstractIntroduceGroupByCombinerRule
   --- add a processNullTest abstract method in the AbstractIntroduceGroupByCombinerRule
   --  fix the join order in a subplan
2. allow user-configurable buffer cache page size (B-tree page size) in Pregelix

commit 4d9a11d0c05281a41bbabe03066478fe851b3a2b
Author: buyingyi <buyingyi@gmail.com>

Change-Id: Ib7761370df8606c55ac34c126554319586e824f0
Reviewed-on: http://fulliautomatix.ics.uci.edu:8443/64
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <westmann@gmail.com>