Hallvard Furuseth authored 13 years ago and Quanah Gibson-Mount committed 13 years ago

Simplifies tests for the DB storage backends.
Adds indexing etc to ndb in some cases, to match bdb/hdb.
This also fixes some broken back-null/back-ldif settings.

Replace term "producer" with "provider".  "Provider" has a very specific meaning when it comes to replication.