Just as insert now always creates an _id field, update should do the same to be consistent. See SERVER-12331 as guide.
Currently update only creates/requires an _id field if there is an _id index. It seems we should now ensure an the _id field for each updated document modified/inserted.
- is duplicated by
-
SERVER-12523 When creating collection with autoIndexId set to false, upserts create documents with no _id
-
- Closed
-
- related to
-
-
- Closed
-
-
-
- Closed
-