миграция

diff --git a/erp24/migrations/m251003_120000_add_order_column_to_matrix_erp_media.php b/erp24/migrations/m251003_120000_add_order_column_to_matrix_erp_media.php
new file mode 100644 (file)
index 0000000..088042c
--- /dev/null
+++ b/erp24/migrations/m251003_120000_add_order_column_to_matrix_erp_media.php
@@ -0,0 +1,50 @@
+<?php
+
+use yii\db\Migration;
+
+/**
+ * Handles adding order column to table `{{%matrix_erp_media}}`.
+ */
+class m251003_120000_add_order_column_to_matrix_erp_media extends Migration
+{
+    /**
+     * {@inheritdoc}
+     */
+    const TABLE_NAME = 'erp24.matrix_erp_media';
+
+    /**
+     * {@inheritdoc}
+     */
+    public function safeUp()
+    {
+        $tableSchema = $this->db->getTableSchema(self::TABLE_NAME);
+
+        if (isset($tableSchema)) {
+            $this->addColumn(self::TABLE_NAME, 'foto_order', $this->integer()->defaultValue(1)->after('updated_at'));
+
+            // Заполняем поле order существующими данными по порядку id для каждого guid
+            // Используем оконную функцию PostgreSQL
+            $this->execute("
+                UPDATE " . self::TABLE_NAME . "
+                SET foto_order = sub.row_number
+                FROM (
+                    SELECT id,
+                           ROW_NUMBER() OVER (PARTITION BY guid ORDER BY id) as row_number
+                    FROM " . self::TABLE_NAME . "
+                ) sub
+                WHERE " . self::TABLE_NAME . ".id = sub.id
+            ");
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function safeDown()
+    {
+        $tableSchema = $this->db->getTableSchema(self::TABLE_NAME);
+        if (isset($tableSchema) && isset($tableSchema->columns['foto_order'])) {
+            $this->dropColumn(self::TABLE_NAME, 'foto_order');
+        }
+    }
+}