Adding PostgreSQL tests

Author: moufmouf

.github/workflows/continuous-integration.yml

@@ -179,6 +179,50 @@ jobs:
       - name: "Upload Code Coverage"
         uses: "codecov/codecov-action@v1"
 
+  phpunit-postgresql:
+    name: "PHPUnit on PostgreSQL"
+    runs-on: "ubuntu-latest"
+
+    strategy:
+      matrix:
+        php-version:
+          - "7.4"
+
+    services:
+      postgres:
+        image: "postgres:9.6"
+        env:
+          POSTGRES_PASSWORD:
+        ports:
+          - "5432:5432"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2"
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          php-version: "${{ matrix.php-version }}"
+          extensions: ""
+          coverage: "pcov"
+
+      - name: "Cache dependencies installed with composer"
+        uses: "actions/cache@v1"
+        with:
+          path: "~/.composer/cache"
+          key: "php-${{ matrix.php-version }}-composer-locked-${{ hashFiles('composer.lock') }}"
+          restore-keys: "php-${{ matrix.php-version }}-composer-locked-"
+
+      - name: "Install dependencies with composer"
+        run: "composer install --no-interaction --no-progress --no-suggest"
+
+      - name: "Run PHPUnit"
+        run: "vendor/bin/phpunit -c phpunit.pgsql.xml --coverage-clover=coverage.xml"
+
+      - name: "Upload Code Coverage"
+        uses: "codecov/codecov-action@v1"
+
 #  phpunit-oci8:
 #    name: "PHPUnit on OCI8"
 #    runs-on: "ubuntu-latest"