Insert operation silently failing #368
Description
Is your feature request related to a problem? Please describe.
This was originally raised under #360, and I ran into it today (discussed on Discord). There's a frustrating case where when inserting a single document, if it violates an index uniqueness check, will silently fail (returns an "OK").
While this is probably sensible for multi-document (bulk) operations, for single ops... it'd a bit misleading. At a bare minimum we should have an array of errors on the reply object but...
Describe the solution you'd like
but... ideally, for single-document operations it would fail (throw an error) outright if we get an insert count of zero for an insert operation.