Add workflow with PostgreSQL tests

.github/workflows/test_postgresql.yaml

@@ -0,0 +1,83 @@
+name: Test PostgreSQL database creation and TAP_SCHEMA upload
+on:
+  push:
+
+jobs:
+
+  test:
+
+    runs-on: ubuntu-latest
+
+    env:
+      PGHOST: localhost
+      PGPORT: 5432
+      PGUSER: rubin
+      PGPASSWORD: rubin
+      PGDATABASE: sdm_schemas_test
+
+    services:
+      postgres:
+        image: postgres:13
+        env:
+          POSTGRES_USER: rubin
+          POSTGRES_PASSWORD: rubin
+          POSTGRES_DB: sdm_schemas_test
+        ports:
+          - 5432:5432
+        options: >-
+          --health-cmd pg_isready
+          --health-interval 10s
+          --health-timeout 5s
+          --health-retries 5
+
+    steps:
+
+      - name: Check out repo
+        uses: actions/checkout@v4
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+          cache: "pip"
+
+      - name: Install yq
+        run: sudo snap install yq
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip uv
+          uv pip install --system -r requirements.txt
+
+      - name: Set engine URL
+        run: echo "FELIS_ENGINE_URL=postgresql+psycopg2://rubin:rubin@localhost:5432/sdm_schemas_test" >> $GITHUB_ENV
+
+      # Create databases from YAML files. Drop existing databases since some of
+      # the schema names are duplicated and also ignore constraints since many
+      # schemas are missing required indices for FK constraints.
+      - name: Create databases
+        run: ./scripts/create-databases.sh
+
+      - name: Create SQL files
+        run: ./scripts/generate-sql-files.sh postgresql
+
+      - name: Load SQL files
+        run: ./scripts/test-load-sql-postgres.sh
+
+      - name: Initialize TAP_SCHEMA database
+        run: |
+          felis init-tap $FELIS_ENGINE_URL
+
+      # Upload to TAP_SCHEMA database. Clear the tables after each upload to
+      # avoid conflicts between schemas.
+      - name: Upload to TAP_SCHEMA database
+        run: |
+          set +e
+          for yaml_file in yml/*.yaml; do
+            filename=$(basename "yaml_file" .yaml)
+            echo "Uploading to TAP_SCHEMA from $yaml_file..."
+            felis --log-level ERROR load-tap "$yaml_file"
+            echo "Done uploading to TAP_SCHEMA from $yaml_file"
+            psql -q -c "TRUNCATE TABLE columns, key_columns, keys, schemas, tables;" &> /dev/null
+          done
+          set -e