fix: migration 加唯一约束前自动去重，补充部署清理脚本

backend/migrations/0003_withdrawaldailystats_club_id.py

@@ -1,4 +1,15 @@
 from django.db import migrations, models
+from django.db.models import Max
+
+
+def _dedupe_withdrawal_daily(apps, schema_editor):
+    Model = apps.get_model('backend', 'WithdrawalDailyStats')
+    for row in Model.objects.values('club_id', 'Date', 'WithdrawalType').annotate(max_id=Max('id')):
+        Model.objects.filter(
+            club_id=row['club_id'],
+            Date=row['Date'],
+            WithdrawalType=row['WithdrawalType'],
+        ).exclude(id=row['max_id']).delete()
 
 
 class Migration(migrations.Migration):
@@ -17,6 +28,7 @@ class Migration(migrations.Migration):
             name='withdrawaldailystats',
             unique_together=set(),
         ),
+        migrations.RunPython(_dedupe_withdrawal_daily, migrations.RunPython.noop),
         migrations.AlterUniqueTogether(
             name='withdrawaldailystats',
             unique_together={('club_id', 'Date', 'WithdrawalType')},

backend/migrations/0004_role_daily_club_id.py

@@ -1,4 +1,34 @@
 from django.db import migrations, models
+from django.db.models import Max
+
+
+def _dedupe_role_daily(apps, schema_editor, model_name, user_field):
+    Model = apps.get_model('backend', model_name)
+    for row in Model.objects.values('club_id', user_field, 'Date').annotate(max_id=Max('id')):
+        Model.objects.filter(
+            club_id=row['club_id'],
+            **{user_field: row[user_field], 'Date': row['Date']},
+        ).exclude(id=row['max_id']).delete()
+
+
+def _dedupe_merchant(apps, schema_editor):
+    _dedupe_role_daily(apps, schema_editor, 'MerchantDailyStats', 'MerchantID')
+
+
+def _dedupe_player(apps, schema_editor):
+    _dedupe_role_daily(apps, schema_editor, 'PlayerDailyStats', 'PlayerID')
+
+
+def _dedupe_leader(apps, schema_editor):
+    _dedupe_role_daily(apps, schema_editor, 'LeaderDailyStats', 'LeaderID')
+
+
+def _dedupe_manager(apps, schema_editor):
+    _dedupe_role_daily(apps, schema_editor, 'ManagerDailyStats', 'ManagerID')
+
+
+def _dedupe_manager_renewal(apps, schema_editor):
+    _dedupe_role_daily(apps, schema_editor, 'ManagerRenewalDailyStats', 'ManagerID')
 
 
 class Migration(migrations.Migration):
@@ -33,22 +63,27 @@ class Migration(migrations.Migration):
             name='club_id',
             field=models.CharField(db_index=True, default='xq', max_length=16, verbose_name='俱乐部ID'),
         ),
+        migrations.RunPython(_dedupe_merchant, migrations.RunPython.noop),
         migrations.AlterUniqueTogether(
             name='merchantdailystats',
             unique_together={('club_id', 'MerchantID', 'Date')},
         ),
+        migrations.RunPython(_dedupe_player, migrations.RunPython.noop),
         migrations.AlterUniqueTogether(
             name='playerdailystats',
             unique_together={('club_id', 'PlayerID', 'Date')},
         ),
+        migrations.RunPython(_dedupe_leader, migrations.RunPython.noop),
         migrations.AlterUniqueTogether(
             name='leaderdailystats',
             unique_together={('club_id', 'LeaderID', 'Date')},
         ),
+        migrations.RunPython(_dedupe_manager, migrations.RunPython.noop),
         migrations.AlterUniqueTogether(
             name='managerdailystats',
             unique_together={('club_id', 'ManagerID', 'Date')},
         ),
+        migrations.RunPython(_dedupe_manager_renewal, migrations.RunPython.noop),
         migrations.AlterUniqueTogether(
             name='managerrenewaldailystats',
             unique_together={('club_id', 'ManagerID', 'Date')},