tree 2cb3db033940420f81e13e72afb184f41cb9421e
parent 4ac918889d3a0616f5fb57ad021a9ce6e730fbda
author Yingyi Bu <yingyi@couchbase.com> 1451520364 -0800
committer Yingyi Bu <buyingyi@gmail.com> 1451538916 -0800

Fix for ASTERIXDB-1018, ASTERIXDB-1017, ASTERIXDB-1019,
ASTERIXDB-1020, ASTERIXDB-1029, ASTERIXDB-1030, ASTERIXDB-1034

1. Inline SubplanOperator input and hence remove SubplanOperator.

2. Use boolean return from initFromSubTree to confirm that the
result should actually be used in IntroduceJoinAccessMethodRule
Prevent accidental attempted cast of null variable
in AbstractIntroduceAccessMethodrule.

Change-Id: Ifc1f844ac6e06e00da3f1618235b6ce9bfd48e9f
Reviewed-on: https://asterix-gerrit.ics.uci.edu/489
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Yingyi Bu <buyingyi@gmail.com>