tree 997abe861f1b69f13920d56efa8831ff36bb0dc8
parent ea9a4d80a2d5e707e574d89d40638171bcd9b7da
author Dmitry Lychagin <dmitry.lychagin@couchbase.com> 1596771295 -0700
committer Dmitry Lychagin <dmitry.lychagin@couchbase.com> 1596853465 +0000

[NO ISSUE][COMP] UDF improvements

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

Details:
- SQL++ grammar changes
   1. CREATE FUNCTON
      Support AS .. AT .. for external identifier
      Remove LANGUAGE, INLINE
      Move WITH record contents into its 'resources' field
      Move DETERMINISTIC, NULLCALL into WITH fields
   2. CREATE ADAPTER
      Support AS .. AT .. for external identifier
   3. Add DROP ADAPTER
- CreateFunctionStatement, CreateAdapterStatement
   1. Add library dataverse name
   2. Support IF NOT EXISTS
   3. Remove language
- Support IF EXISTS in AdapterDropStatement and
  LibraryDropStatement
- Handle AdapterDropStatement in QueryTranslator
- FunctionTupleTranslator writes external identifier as
  an ordered list instead of encoding it into function body
- Changed external identifier format for Python UDFs to
  "package.module", "class.function"
- Add validation for external identifier depending
  on the library language
- Update documentation and testcases

Change-Id: I3f2125b5508f2321cfa9b561b5250d6255135f91
Reviewed-on: https://asterix-gerrit.ics.uci.edu/c/asterixdb/+/7483
Integration-Tests: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>
Reviewed-by: Dmitry Lychagin <dmitry.lychagin@couchbase.com>
Reviewed-by: Ian Maxon <imaxon@uci.edu>