tree cae193f28a80969cf0dc76b99c37ca32e545812a
parent a7a6ac9916d718e2f744af0060c9cae645473ba0
author Dmitry Lychagin <dmitry.lychagin@couchbase.com> 1562093993 -0700
committer Dmitry Lychagin <dmitry.lychagin@couchbase.com> 1562177128 +0000

[NO ISSUE][COMP] Add support for compiler warnings

- user model changes: no
- storage format changes: no
- interface changes: no

Details:
- Add support for compiler warnings during parsing,
  AST rewriting and query optimization phases
- SQL++ parser emits warnings for unknown hints in
  relational expression, between expression,
  groupby clause and function call.
- Optimizer emits warning if hash group by hint cannot
  be applied because there's no serializable aggregate
- Added testcases for these new warnings

Change-Id: Ic3c1e98c183cd214eea3e4fee24b2b7c46366b52
Reviewed-on: https://asterix-gerrit.ics.uci.edu/3476
Contrib: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Dmitry Lychagin <dmitry.lychagin@couchbase.com>
Reviewed-by: Murtadha Hubail <mhubail@apache.org>