{
  "id": "python/flask-sqlalchemy-query-error",
  "signature": "sqlalchemy.exc.OperationalError: (sqlite3.OperationalError) no such table: users",
  "signature_zh": "SQLAlchemy 操作错误：（sqlite3.OperationalError）没有这样的表：users",
  "regex": "sqlalchemy\\.exc\\.OperationalError:\\ \\(sqlite3\\.OperationalError\\)\\ no\\ such\\ table:\\ users",
  "domain": "python",
  "category": "data_error",
  "subcategory": null,
  "root_cause": "数据库表未创建，或模型未正确映射到数据库。",
  "root_cause_type": "generic",
  "root_cause_zh": "数据库表未创建，或模型未正确映射到数据库。",
  "versions": [
    {
      "version": "3.x",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "表创建失败，查询仍然会失败",
      "fail_rate": 0.7,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "问题不在数据库名称，而是表不存在",
      "fail_rate": 0.6,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "",
      "success_rate": 1.0,
      "how": "from flask_sqlalchemy import SQLAlchemy\ndb = SQLAlchemy(app)\nwith app.app_context():\n    db.create_all()",
      "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": 0.9,
  "fix_success_rate": 0.8,
  "resolvable": "true",
  "first_seen": "2025-01-20",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}