From 01ee72c700eb0edbc7d35c01638cd2fad17c09b7 Mon Sep 17 00:00:00 2001
From: "Torsten Schulz (local)" <tsschulz@gmx.net>
Date: Wed, 9 Sep 2026 21:06:25 +0200
Subject: [PATCH] feat(migration): add migration to remove invalid past marker
 from vocab_srs_item

---
 ...0001-remove-invalid-past-marker-srs-sentence.cjs | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 backend/migrations-active/20260909000001-remove-invalid-past-marker-srs-sentence.cjs

diff --git a/backend/migrations-active/20260909000001-remove-invalid-past-marker-srs-sentence.cjs b/backend/migrations-active/20260909000001-remove-invalid-past-marker-srs-sentence.cjs
new file mode 100644
index 0000000..0ad4c25
--- /dev/null
+++ b/backend/migrations-active/20260909000001-remove-invalid-past-marker-srs-sentence.cjs
@@ -0,0 +1,13 @@
+'use strict';
+
+module.exports = {
+  async up(queryInterface) {
+    await queryInterface.sequelize.query(`
+      DELETE FROM community.vocab_srs_item
+      WHERE lower(trim(learning)) = 'vergangenheit'
+        AND lower(trim(reference)) IN ('ni-kaon ko ganiha', 'nikaon ko ganiha');
+    `);
+  },
+
+  async down() {}
+};