{
  "id": "python/django-migration-conflict",
  "signature": "django.db.migrations.exceptions.MigrationSchemaMissing: Unable to create the django_migrations table (already exists)",
  "signature_zh": "迁移架构缺失：无法创建 django_migrations 表（已存在）",
  "regex": "django\\.db\\.migrations\\.exceptions\\.MigrationSchemaMissing:\\ Unable\\ to\\ create\\ the\\ django_migrations\\ table\\ \\(already\\ exists\\)",
  "domain": "python",
  "category": "data_error",
  "subcategory": null,
  "root_cause": "迁移表已存在但迁移历史不一致，通常由迁移冲突引起",
  "root_cause_type": "generic",
  "root_cause_zh": "数据库中存在 django_migrations 表，但迁移状态与文件不匹配",
  "versions": [
    {
      "version": "3.2",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "4.0",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "删除 django_migrations 表",
      "why_fails": "导致迁移历史丢失，无法追踪已应用的迁移",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    },
    {
      "action": "手动修改迁移表记录",
      "why_fails": "可能引入不一致，导致后续迁移失败",
      "fail_rate": 0.8,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "使用 --fake 标记已应用的迁移",
      "success_rate": 0.9,
      "how": "python manage.py migrate --fake",
      "condition": "",
      "sources": []
    },
    {
      "action": "回滚并重新迁移",
      "success_rate": 0.85,
      "how": "python manage.py migrate app_name zero && python manage.py migrate app_name",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": null,
  "official_doc_section": null,
  "error_code": null,
  "verification_tier": "ai_generated",
  "confidence": 0.81,
  "fix_success_rate": 0.8,
  "resolvable": "partial",
  "first_seen": "2024-08-12",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}