added "FileMigration" for postgre

db/postgre/FileMigration.php

@@ -0,0 +1,72 @@
+<?php
+/**
+ * @link http://www.diemeisterei.de/
+ * @copyright Copyright (c) 2025 diemeisterei GmbH, Stuttgart
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace dmstr\db\postgre;
+
+use Exception;
+use yii\db\Migration;
+
+/**
+ * Class FileMigration
+ * @package common\components
+ * Elias Luhr <e.luhr@herzogkommunikation.de>
+ */
+class FileMigration extends Migration
+{
+    public $file = null;
+
+    public function init()
+    {
+        parent::init();
+
+        if ($this->file === null) {
+            $reflection = new \ReflectionClass($this);
+            $this->file = str_replace('.php', '.sql', $reflection->getFileName());
+        } else {
+            $reflection = new \ReflectionClass($this);
+            $this->file = dirname($reflection->getFileName()).DIRECTORY_SEPARATOR.$this->file;
+        }
+
+        if (!is_file($this->file)) {
+            throw new Exception("File {$this->file} not found");
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function up()
+    {
+        // Open connection if not opened already as we execute raw SQL on PDO we have no "autoconnect magick" here.
+        if (!$this->db->isActive) {
+            $this->db->open();
+        }
+
+        $sql = file_get_contents($this->file);
+
+        try {
+            $result = $this->db->pdo->exec($sql);
+            echo "Success exec: " . $this->file . "\n";
+        } catch (Exception $exception) {
+            echo "\n-----\n" . $exception->getMessage() . "\n-----\n";
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function down()
+    {
+        echo $this::class . " cannot be reverted.\n";
+        return false;
+    }
+}

db/postgre/templates/file-migration.php

@@ -0,0 +1,17 @@
+<?php
+/**
+ * This view is used by console/controllers/MigrateController.php
+ * The following variables are available in this view:
+ */
+/* @var $className string the new migration class name */
+
+echo "<?php\n";
+?>
+
+use dmstr\db\postgre\FileMigration;
+
+class <?= $className ?> extends FileMigration
+{
+    # create a sql file `<?= $className ?>.sql` or adjust and uncomment the following line, do not change this class name
+    //public $file = 'custom-filename.sql';
+}