fix: Convert UUIDField columns to uuid type for MariaDB

taxonomy/migrations/0038_mariadb_uuid_conversion.py

@@ -0,0 +1,44 @@
+# Generated migration for MariaDB UUID field conversion (Django 5.2)
+"""
+Migration to convert UUIDField from char(32) to uuid type for MariaDB compatibility.
+"""
+
+from django.db import migrations
+
+
+def apply_mariadb_migration(apps, schema_editor):
+    connection = schema_editor.connection
+    if connection.vendor != 'mysql':
+        return
+    with connection.cursor() as cursor:
+        cursor.execute("SELECT VERSION()")
+        version = cursor.fetchone()[0]
+        if 'mariadb' not in version.lower():
+            return
+    with connection.cursor() as cursor:
+        cursor.execute("ALTER TABLE taxonomy_refreshxblockskilldataconfig MODIFY uuid uuid NOT NULL")
+
+
+def reverse_mariadb_migration(apps, schema_editor):
+    connection = schema_editor.connection
+    if connection.vendor != 'mysql':
+        return
+    with connection.cursor() as cursor:
+        cursor.execute("SELECT VERSION()")
+        version = cursor.fetchone()[0]
+        if 'mariadb' not in version.lower():
+            return
+    with connection.cursor() as cursor:
+        cursor.execute("ALTER TABLE taxonomy_refreshxblockskilldataconfig MODIFY uuid char(32) NOT NULL")
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ('taxonomy', '0037_alter_xblockskilldata_is_blacklisted_and_more'),
+    ]
+    operations = [
+        migrations.RunPython(
+            code=apply_mariadb_migration,
+            reverse_code=reverse_mariadb_migration,
+        ),
+    ]