Refactor StructDef #648

	name: Postgres DB

	on: [pull_request, workflow_call]

	jobs:
	# Label of the container job
	test-postgres:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	node-version: [18.x]

	services:
	postgres:
	image: postgres
	env:
	POSTGRES_USER: root
	POSTGRES_PASSWORD: postgres
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	ports:
	- 5432:5432

	steps:
	- uses: actions/checkout@v4
	with:
	submodules: 'true'
	- name: Use Node.js ${{ matrix.node-version }}
	uses: actions/setup-node@v4
	with:
	node-version: ${{ matrix.node-version }}
	- name: npm install, build, and test
	run: \|
	npm ci --loglevel error
	npm run build
	echo CREATE EXTENSION tsm_system_rows\; \| psql
	gunzip -c test/data/postgres/malloytest-postgres.sql.gz \| psql
	npm run test-silent -- -- test packages/malloy-db-postgres
	export MALLOY_DATABASES=duckdb,postgres
	npm run build-duckdb-db
	npm run test-silent -- -- test/src/databases/multi-connection/multi_connection.spec.ts
	env:
	MALLOY_DATABASES: postgres
	PGHOST: localhost
	PGPORT: 5432
	PGUSER: root
	PGPASSWORD: postgres

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