tree 9c9b26361933f9260f4ea156e2c54e3a5c8ee6b4
parent 42b2e571ceae78b565a38bc4173c73321b0ad5b7
author Yingyi Bu <yingyi@couchbase.com> 1457570749 -0800
committer Yingyi Bu <buyingyi@gmail.com> 1457647620 -0800

ASTERIXDB-1168: fix queries with duplicates in a subplan's input.

Fixed PushSelectDown to consider stateful functions;
Added a primary key visitor to generate/progate primary key information.

Change-Id: I83907c29699a76540abd1a246776f55576eeced8
Reviewed-on: https://asterix-gerrit.ics.uci.edu/695
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>