tree 58883f475692da6dffe30cd903f0fa86a7dffdaf
parent a08c34dc9757e57635c560134f0b554606d99542
author buyingyi <buyingyi@eaa15691-b419-025a-1212-ee371bd00084> 1356076699 +0000
committer buyingyi <buyingyi@eaa15691-b419-025a-1212-ee371bd00084> 1356076699 +0000

add comments for the not-null function

git-svn-id: https://asterixdb.googlecode.com/svn/branches/asterix_stabilization_yfix@1047 eaa15691-b419-025a-1212-ee371bd00084