tree 52ea1bcf44fee4e116927d8c0d5eb2b6cc891797
parent f1fdb156a094eaee9f5d261e0cd7c6f5fe2d063c
author Yingyi Bu <yingyi@couchbase.com> 1455046943 -0800
committer Yingyi Bu <buyingyi@gmail.com> 1455062205 -0800

Fix for ASTERIXDB-1291: deals with the case that a NTS' data source operator has been deep copied.

Change-Id: Ie3efa74e38bbfa9eee4a20e4a9cf6fc2a5840973
Reviewed-on: https://asterix-gerrit.ics.uci.edu/622
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Wenhai Li <lwhaymail@yahoo.com>
Reviewed-by: Taewoo Kim <wangsaeu@gmail.com>