只读deletedNumber of documents deleted.
只读insertedNumber of documents inserted.
只读insertedInserted document generated Id's, hash key is the index of the originating operation
只读matchedNumber of documents matched for update.
只读modifiedNumber of documents modified.
只读upsertedNumber of documents upserted.
只读upsertedUpserted document generated Id's, hash key is the index of the originating operation
The number of inserted documents
Number of matched documents
Number of documents updated physically on disk
Number of removed documents
Number of upserted documents
Evaluates to true if the bulk operation correctly executes
Returns an array of all inserted ids
Returns raw internal result
Returns an array of all upserted ids
Retrieve the write concern error if one exists
Returns the number of write errors off the bulk operation
Retrieve all write errors
Returns true if the bulk operation contains a write error
The result of a bulk write.