Some databases are storing the value in UTC (not ISO) format,
and truncating the values. Even though this is technically
unavoidable, it does fail strict string equality.
* fix check for null
* add tests
* fix for early return
* Allow check for null and non-existent value
Some connectors uses a non existent prop instead of allowing null
Modified test case to look if null exists or the prop is non existent
* Check for null value with geo near query
* Apply requested changes
* change test to two users and simplify
* check error first
* Fix simple query test case with null value
* BDD for connectors w//o null support
* Add instructions for running the tests (#1330) (Andrew McDonnell)
* handle deep geo-near queries (#1314) (Eric Barault)
* Unskip test case (Loay)
* Make tests work for other connectors as well as C* (Tetsuo Seto)
* Remove debugger statement (Tetsuo Seto)
* Fixup test support for Cassandra connector (Tetsuo Seto)
* Add test support for Cassandra connector (Tetsuo Seto)
* package: use loopback-connector@^4.0.0 (Kevin Delisle)
* Revert "handle deep geo-near queries (#1216)" (Sakib Hasan)
* Revert "Allow `after save` hook to see count of records changed (#1231)" (Sakib Hasan)
* Allow `after save` hook to see count of records changed (#1231) (Joshua Chaitin-Pollak)
* handle deep geo-near queries (#1216) (Corentin H)
* Fix model def column name method (#1224) (destillat)
* Added notify flag for create and upsert (#1277) (Jonathan Sheely)
* Custom Table Names on rels (#1303) (Waldemar Zahn)
* Support multiple fk relations (#1308) (Sakib Hasan)
* #1261 Property name "constructor" is not allowed in 'Model' data (#1284) (Thaer Abbas)
* handle deep geo-near queries (#1216)
a dedicated mongKey is added in geo.nearFilter for mongoDB
fixes geo min distance tests as filter now expects an array
* Fix for string geoPoints
* Add geo point handle for ibmdb connectors
* Handle geo-point type for cassandra connector
Some connector, like arangodb, not support id as Number.
When `forceId` is set to true and id is set `Model.isValid`
report error and the field id is not coerced.