[9.x] Fix postgresql build (#39531)

* Fix PostgreSQL build

* wip

* Gracefully handle schema key deprecation

Author: driesvints

.github/workflows/databases.yml

@@ -132,49 +132,49 @@ jobs:
           DB_CONNECTION: mysql
           DB_USERNAME: root
 
-  # pgsql:
-  #   runs-on: ubuntu-20.04
-
-  #   services:
-  #     postgresql:
-  #       image: postgres:14
-  #       env:
-  #         POSTGRES_DB: forge
-  #         POSTGRES_USER: forge
-  #         POSTGRES_PASSWORD: password
-  #       ports:
-  #         - 5432:5432
-  #       options: --health-cmd=pg_isready --health-interval=10s --health-timeout=5s --health-retries=3
-
-  #   strategy:
-  #     fail-fast: true
-
-  #   name: PostgreSQL 14
-
-  #   steps:
-  #     - name: Checkout code
-  #       uses: actions/checkout@v2
-
-  #     - name: Setup PHP
-  #       uses: shivammathur/setup-php@v2
-  #       with:
-  #         php-version: 8.1
-  #         extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, pdo_pgsql
-  #         tools: composer:v2
-  #         coverage: none
-
-  #     - name: Install dependencies
-  #       uses: nick-invision/retry@v1
-  #       with:
-  #         timeout_minutes: 5
-  #         max_attempts: 5
-  #         command: composer update --prefer-stable --prefer-dist --no-interaction --no-progress
-
-  #     - name: Execute tests
-  #       run: vendor/bin/phpunit tests/Integration/Database --verbose --exclude-group MySQL
-  #       env:
-  #         DB_CONNECTION: pgsql
-  #         DB_PASSWORD: password
+  pgsql:
+    runs-on: ubuntu-20.04
+
+    services:
+      postgresql:
+        image: postgres:14
+        env:
+          POSTGRES_DB: forge
+          POSTGRES_USER: forge
+          POSTGRES_PASSWORD: password
+        ports:
+          - 5432:5432
+        options: --health-cmd=pg_isready --health-interval=10s --health-timeout=5s --health-retries=3
+
+    strategy:
+      fail-fast: true
+
+    name: PostgreSQL 14
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: 8.1
+          extensions: dom, curl, libxml, mbstring, zip, pcntl, pdo, pdo_pgsql
+          tools: composer:v2
+          coverage: none
+
+      - name: Install dependencies
+        uses: nick-invision/retry@v1
+        with:
+          timeout_minutes: 5
+          max_attempts: 5
+          command: composer update --prefer-stable --prefer-dist --no-interaction --no-progress
+
+      - name: Execute tests
+        run: vendor/bin/phpunit tests/Integration/Database --verbose --exclude-group MySQL
+        env:
+          DB_CONNECTION: pgsql
+          DB_PASSWORD: password
 
   mssql:
     runs-on: ubuntu-20.04

src/Illuminate/Database/Connectors/PostgresConnector.php

@@ -93,8 +93,10 @@ protected function configureTimezone($connection, array $config)
      */
     protected function configureSearchPath($connection, $config)
     {
-        if (isset($config['search_path'])) {
-            $searchPath = $this->quoteSearchPath($this->parseSearchPath($config['search_path']));
+        if (isset($config['search_path']) || isset($config['schema'])) {
+            $searchPath = $this->quoteSearchPath(
+                $this->parseSearchPath($config['search_path'] ?? $config['schema'])
+            );
 
             $connection->prepare("set search_path to {$searchPath}")->execute();
         }
@@ -114,6 +116,8 @@ protected function parseSearchPath($searchPath)
             $searchPath = $matches[0];
         }
 
+        $searchPath = $searchPath ?? [];
+
         array_walk($searchPath, function (&$schema) {
             $schema = trim($schema, '\'"');
         });

src/Illuminate/Database/Schema/PostgresBuilder.php

@@ -134,7 +134,9 @@ public function getAllTables()
     {
         return $this->connection->select(
             $this->grammar->compileGetAllTables(
-                $this->parseSearchPath($this->connection->getConfig('search_path'))
+                $this->parseSearchPath(
+                    $this->connection->getConfig('search_path') ?: $this->connection->getConfig('schema')
+                )
             )
         );
     }
@@ -148,7 +150,9 @@ public function getAllViews()
     {
         return $this->connection->select(
             $this->grammar->compileGetAllViews(
-                $this->parseSearchPath($this->connection->getConfig('search_path'))
+                $this->parseSearchPath(
+                    $this->connection->getConfig('search_path') ?: $this->connection->getConfig('schema')
+                )
             )
         );
     }
@@ -237,6 +241,8 @@ protected function parseSearchPath($searchPath)
             $searchPath = $matches[0];
         }
 
+        $searchPath = $searchPath ?? [];
+
         array_walk($searchPath, function (&$schema) {
             $schema = trim($schema, '\'"');