Add benchmark for Model.objects.bulk_create()

[adamchainz]

Re: https://code.djangoproject.com/ticket/36858#comment:1

This benchmark tests the very basics, using a model with just one CharField, like the existing model_create benchmark.

I don't have a working asv setup right now, so only testing on CI. (Which crashed 😢)

[adamchainz]

Thanks for the missnig step @smithdc1 !

[jacobtylerwalls]

Thanks both, glad this got in.

Do any of our benchmarks mock out the database? It occurred to me we might want (to add) less noisy benchmarks that exclusively focus on Django's SQL generation.

[adamchainz]

I don't think they do, but that's a good idea! So, basically build a QS and then call its compiler?

[jacobtylerwalls]

Yep, something like calling as_sql() on the compiler and catching EmptyResultSet? 🤔