This library executes an SQL insert query for each data item. Futhermore, after insert, it executes SQL select queries to load the created records (only if $noSelect is false). I think this can be improved by using bulk operations.

Objection.js methods used in the _create method take an array as an argument.

• upsertGraphAndFetch . By the way, can we use upsertGraph instead of upsertGraphAndFetch? upsertGraph should improve performance
• insertGraph
• insert