tree da4d474336c56763b5f70dce95a39f79292b5277
parent 6dc71486bb597c45151d9723f7bee0d69df27ea1
author Yingyi Bu <yingyi@couchbase.com> 1467178252 -0700
committer Yingyi Bu <buyingyi@gmail.com> 1467187101 -0700

Add IS (NOT) NULL/MISSING/UNKOWN.

Change-Id: I7e4008d97f0d3a92816b90492dd8c887b05bac27
Reviewed-on: https://asterix-gerrit.ics.uci.edu/963
Reviewed-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Yingyi Bu <buyingyi@gmail.com>