Raise when `fast_distinct_count` is used on primary key #20

	name: Test
	on: [push, pull_request]

	jobs:
	# Run the linter first for rapid feedback if some trivial stylistic issues
	# slipped through the cracks.
	lint:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: 3.2.1
	bundler-cache: true
	- run: bundle exec rubocop

	test:
	needs: lint
	runs-on: ubuntu-latest
	services:
	postgres:
	image: postgres
	env:
	POSTGRES_DB: fast_count_test
	POSTGRES_PASSWORD: postgres
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	ports:
	- 5432:5432
	mysql:
	image: mysql
	env:
	MYSQL_ROOT_PASSWORD: root
	MYSQL_DATABASE: fast_count_test
	options: >-
	--health-cmd "mysqladmin ping -h 127.0.0.1"
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	ports:
	- 3306:3306
	strategy:
	matrix:
	ruby: ["2.7", "3.0", "3.1", "3.2"]
	gemfile: [activerecord_60, activerecord_61, activerecord_70, activerecord_head]
	env:
	BUNDLE_GEMFILE: gemfiles/${{ matrix.gemfile }}.gemfile
	steps:
	- uses: actions/checkout@v3
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby }}
	bundler-cache: true
	- name: Run the test suite
	run: bundle exec rake test

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