fix: check top level nullability during write #324

	name: python_benchmark


	# This is separate from the python_build so that it doesn't need to run on the merge group
	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]

	defaults:
	run:
	working-directory: ./python

	jobs:
	benchmark:
	name: Python Benchmark
	runs-on: ubuntu-latest
	env:
	RUSTFLAGS: "-C debuginfo=line-tables-only"
	CARGO_INCREMENTAL: 0

	steps:
	- uses: actions/checkout@v2

	- name: Setup Environment
	uses: ./.github/actions/setup-env

	- name: Build deltalake in release mode
	run: \|
	python -m venv venv
	source venv/bin/activate
	MATURIN_EXTRA_ARGS=--release make develop

	# Download previous benchmark result from cache (if exists)
	- name: Download previous benchmark data
	uses: actions/cache@v2
	with:
	path: ./cache
	key: ${{ runner.os }}-benchmark

	- name: Run benchmark
	run: \|
	source venv/bin/activate
	pytest tests/test_benchmark.py -m benchmark --benchmark-json output.json

	- name: Store benchmark result
	uses: benchmark-action/github-action-benchmark@v1
	with:
	tool: "pytest"
	output-file-path: python/output.json
	external-data-json-path: ./cache/benchmark-data.json
	fail-on-alert: true

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