From 455c43ccdbf1a4c4daa0c594a1de95eb9e9668c6 Mon Sep 17 00:00:00 2001
From: Stephan Kulla <git.mail@kulla.me>
Date: Mon, 13 Nov 2023 10:41:34 +0100
Subject: [PATCH] Update
 src/2023/2023-11-09-inconsitencies-in-the-database.ipynb

---
 ...2023-11-09-inconsitencies-in-the-database.ipynb | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/src/2023/2023-11-09-inconsitencies-in-the-database.ipynb b/src/2023/2023-11-09-inconsitencies-in-the-database.ipynb
index b78fe4b..0313877 100644
--- a/src/2023/2023-11-09-inconsitencies-in-the-database.ipynb
+++ b/src/2023/2023-11-09-inconsitencies-in-the-database.ipynb
@@ -20,9 +20,7 @@
     "from sqlalchemy import create_engine\n",
     "from sqlalchemy import text\n",
     "\n",
-    "engine_local = create_engine(\n",
-    "    f\"mysql+mysqlconnector://root:secret@localhost:3306/serlo?charset=latin1\"\n",
-    ")\n",
+    "engine_local = create_engine(\"mysql+mysqlconnector://root:secret@localhost:3306/serlo\")\n",
     "\n",
     "class MySQLSession:\n",
     "    def __init__(self, engine):\n",
@@ -59,7 +57,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 44,
+   "execution_count": 7,
    "id": "352dd822-e5ff-4ae5-aeb3-072023a67243",
    "metadata": {},
    "outputs": [
@@ -874,7 +872,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 27,
+   "execution_count": 8,
    "id": "243bb95c-7bff-427f-9886-49779ef7e80a",
    "metadata": {},
    "outputs": [
@@ -956,7 +954,7 @@
     "        left join entity_link on entity_link.child_id = entity.id\n",
     "        where\n",
     "            type.name in (\"grouped-text-exercise\", \"text-solution\", \"course-page\")\n",
-    "            and entity_link.child_id is null\n",
+    "            and entity_link.parent_id is null\n",
     "        group by type.name, uuid.trashed\n",
     "    \"\"\", session.connection))"
    ]
@@ -971,7 +969,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 41,
+   "execution_count": 9,
    "id": "c54060cc-d636-454f-951e-c5f431f41e76",
    "metadata": {},
    "outputs": [
@@ -1346,7 +1344,7 @@
     "        left join entity_link on entity_link.child_id = entity.id\n",
     "        where\n",
     "            type.name in (\"grouped-text-exercise\", \"text-solution\", \"course-page\")\n",
-    "            and entity_link.child_id is null\n",
+    "            and entity_link.parent_id is null\n",
     "        group by entity.id\n",
     "        limit 20\n",
     "    \"\"\", session.connection))"