fix: fix out-of-memory in tpch q21 #362

	name: Benchmark
	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	env:
	CARGO_TERM_COLOR: always
	CACHE_KEY_SUFFIX: v20220409
	PROTOC_NO_VENDOR: 1

	permissions:
	contents: write
	deployments: write

	jobs:
	benchmark:
	name: Run benchmark
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- uses: arduino/setup-protoc@v1
	with:
	version: "3.x"
	repo-token: ${{ secrets.GITHUB_TOKEN }}
	- uses: actions-rs/toolchain@v1
	with:
	profile: minimal
	- uses: actions/cache@v2
	with:
	path: \|
	~/.cargo/registry/index/
	~/.cargo/registry/cache/
	~/.cargo/git/db/
	key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}-${{ env.CACHE_KEY_SUFFIX }}
	- name: Generate TPC-H 1GB dataset
	run: make tpch
	- name: Run benchmark
	run: cargo bench --bench tpch -- --output-format bencher \| tee output.txt
	- name: Store benchmark result
	if: github.event_name != 'pull_request'
	uses: benchmark-action/github-action-benchmark@v1
	with:
	name: Rust Benchmark
	tool: 'cargo'
	output-file-path: output.txt
	github-token: ${{ secrets.GITHUB_TOKEN }}
	auto-push: true
	# Show alert with commit comment on detecting possible performance regression
	alert-threshold: '200%'
	comment-on-alert: true
	fail-on-alert: true
	alert-comment-cc-users: '@wangrunji0408,@skyzh'

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