fix: config.0006 半路失败恢复命令 recover_config_0006

config/management/commands/recover_config_0006.py

@@ -0,0 +1,104 @@
+"""修复 config.0006 半路失败：去重 + 补唯一约束/索引，然后 fake 0006。"""
+from django.core.management.base import BaseCommand
+from django.db import connection
+from django.db.models import Max
+
+from config.models import PopupPage, Tupianpeizhi
+
+
+def _table_indexes(table):
+    with connection.cursor() as cursor:
+        cursor.execute(f'SHOW INDEX FROM `{table}`')
+        rows = cursor.fetchall()
+    # Key_name, Column_name, Non_unique
+    by_key = {}
+    for row in rows:
+        key_name = row[2]
+        col = row[4]
+        non_unique = row[1]
+        by_key.setdefault(key_name, {'cols': [], 'unique': non_unique == 0})
+        by_key[key_name]['cols'].append(col)
+    return by_key
+
+
+def _has_unique_on(table, columns):
+    cols = list(columns)
+    for info in _table_indexes(table).values():
+        if info['unique'] and info['cols'] == cols:
+            return True
+    return False
+
+
+def _drop_index(table, key_name):
+    with connection.cursor() as cursor:
+        cursor.execute(f'ALTER TABLE `{table}` DROP INDEX `{key_name}`')
+
+
+def _add_unique(table, name, columns):
+    cols = ', '.join(f'`{c}`' for c in columns)
+    with connection.cursor() as cursor:
+        cursor.execute(f'ALTER TABLE `{table}` ADD UNIQUE `{name}` ({cols})')
+
+
+def _add_index(table, name, columns):
+    cols = ', '.join(f'`{c}`' for c in columns)
+    with connection.cursor() as cursor:
+        cursor.execute(f'CREATE INDEX `{name}` ON `{table}` ({cols})')
+
+
+class Command(BaseCommand):
+    help = 'config.0006 半路失败时：清重复数据、补约束，再执行 migrate config 0006 --fake'
+
+    def handle(self, *args, **options):
+        self.stdout.write('1) 清理重复数据…')
+
+        for row in Tupianpeizhi.objects.values('club_id', 'ImageType').annotate(max_id=Max('id')):
+            n = Tupianpeizhi.objects.filter(
+                club_id=row['club_id'],
+                ImageType=row['ImageType'],
+            ).exclude(id=row['max_id']).delete()[0]
+            if n:
+                self.stdout.write(f'  tupianpeizhi 删除 {n} 条重复')
+
+        for row in PopupPage.objects.values('club_id', 'page_key').annotate(max_id=Max('id')):
+            n = PopupPage.objects.filter(
+                club_id=row['club_id'],
+                page_key=row['page_key'],
+            ).exclude(id=row['max_id']).delete()[0]
+            if n:
+                self.stdout.write(f'  popup_page 删除 {n} 条重复')
+
+        self.stdout.write('2) 检查并补约束/索引…')
+
+        # popup_page：去掉 page_key 单独唯一，改为 (club_id, page_key)
+        popup_indexes = _table_indexes('popup_page')
+        for key_name, info in popup_indexes.items():
+            if info['unique'] and info['cols'] == ['page_key']:
+                self.stdout.write(f'  删除 popup_page 旧唯一索引 {key_name}')
+                _drop_index('popup_page', key_name)
+
+        if not _has_unique_on('popup_page', ['club_id', 'page_key']):
+            self.stdout.write('  添加 popup_page UNIQUE (club_id, page_key)')
+            _add_unique('popup_page', 'popup_page_club_page_key_uniq', ['club_id', 'page_key'])
+        else:
+            self.stdout.write('  popup_page UNIQUE (club_id, page_key) 已存在')
+
+        if not _has_unique_on('tupianpeizhi', ['club_id', 'ImageType']):
+            self.stdout.write('  添加 tupianpeizhi UNIQUE (club_id, ImageType)')
+            _add_unique('tupianpeizhi', 'tupianpeizhi_club_id_ImageType_uniq', ['club_id', 'ImageType'])
+        else:
+            self.stdout.write('  tupianpeizhi UNIQUE (club_id, ImageType) 已存在')
+
+        lunbo_indexes = _table_indexes('lunbo')
+        if 'lunbo_club_page_type_idx' not in lunbo_indexes:
+            self.stdout.write('  添加 lunbo 索引 lunbo_club_page_type_idx')
+            _add_index('lunbo', 'lunbo_club_page_type_idx', ['club_id', 'page_key', 'ImageType'])
+        else:
+            self.stdout.write('  lunbo 索引 lunbo_club_page_type_idx 已存在')
+
+        self.stdout.write(self.style.SUCCESS(
+            '\n完成。请执行：\n'
+            '  python manage.py migrate config 0006 --fake\n'
+            '  python manage.py migrate config\n'
+            '  python manage.py migrate\n'
+        ))

deploy/pre_migrate_dedupe.sql

@@ -1,5 +1,10 @@
--- 部署 jituan 前若 migrate 报 Duplicate entry 唯一约束冲突，在 dbshell 执行。
--- 每种组合只保留 id 最大的一条；不影响订单/资金主表。
+-- 部署 jituan 前若 migrate 报 Duplicate entry 唯一约束冲突时使用。
+-- 不要用 mysql 命令行（1Panel  MySQL 不在本机 socket），请用：
+--   python manage.py dbshell < deploy/pre_migrate_dedupe.sql
+-- 或半路失败的 config.0006：
+--   python manage.py recover_config_0006
+--   python manage.py migrate config 0006 --fake
+--   python manage.py migrate
 
 -- config.0006 tupianpeizhi
 DELETE FROM tupianpeizhi