chore: priority migration (#2162)

apiserver/plane/db/migrations/0043_auto_20230912_1733.py

@@ -0,0 +1,24 @@
+# Generated by Django 4.2.3 on 2023-09-12 17:33
+
+from django.db import migrations
+
+
+def update_issue_priority_choice(apps, schema_editor):
+    IssueModel = apps.get_model("db", "Issue")
+    updated_issues = []
+    for obj in IssueModel.objects.all():
+        if obj.priority is None:
+            obj.priority = "none"
+        updated_issues.append(obj)
+    IssueModel.objects.bulk_update(updated_issues, ["priority"], batch_size=100)
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('db', '0042_alter_analyticview_created_by_and_more'),
+    ]
+
+    operations = [
+        migrations.RunPython(update_issue_priority_choice),
+    ]