tree 19290100069d3d6ab9ea97e97eda42ab7cd890d7
parent a371978c5e4f6df021b58b3b3734976f0375beb7
author Yingyi Bu <yingyi@couchbase.com> 1459531913 -0700
committer Yingyi Bu <buyingyi@gmail.com> 1459827268 -0700

Rewrite SQL++ functions.

-Maps SQL function names to internal names.
-Allows SQL++ builtin functions to be case-insensitive.
-Rewrites SQL-92 global aggregates.
-Refactors SQL++ AST visitors.
-Cleans up semantics of COLL_AGG and SQL-92 AGG.

Change-Id: Idb5a7c6780669b27065b0928bec7e4700cfb53a9
Reviewed-on: https://asterix-gerrit.ics.uci.edu/759
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Till Westmann <tillw@apache.org>