{
  "id": "python/sqlalchemy-invalid-escape-sequence",
  "signature": "sqlalchemy.exc.StatementError: (sqlalchemy.exc.InvalidRequestError) 'NoneType' object has no attribute 'replace' (original cause: AttributeError: 'NoneType' object has no attribute 'replace') for parameter 'name' value None",
  "signature_zh": "语句错误：'NoneType' 对象没有 'replace' 属性（原始原因：'NoneType' 对象没有 'replace' 属性），参数 'name' 值为 None",
  "regex": "sqlalchemy\\.exc\\.StatementError:\\ \\(sqlalchemy\\.exc\\.InvalidRequestError\\)\\ 'NoneType'\\ object\\ has\\ no\\ attribute\\ 'replace'\\ \\(original\\ cause:\\ AttributeError:\\ 'NoneType'\\ object\\ has\\ no\\ attribute\\ 'replace'\\)\\ for\\ parameter\\ 'name'\\ value\\ None",
  "domain": "python",
  "category": "data_error",
  "subcategory": null,
  "root_cause": "Passing None as a parameter to a query that expects a string, and SQLAlchemy's internal processing tries to call .replace() on it.",
  "root_cause_type": "generic",
  "root_cause_zh": "将 None 作为参数传递给期望字符串的查询，SQLAlchemy 内部处理尝试对其调用 .replace()。",
  "versions": [
    {
      "version": "3.x",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "May change query semantics; empty string may not be intended.",
      "fail_rate": 0.5,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Doesn't address the root cause of None being passed.",
      "fail_rate": 0.6,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "",
      "success_rate": 0.9,
      "how": "if name is not None:\n    result = session.query(User).filter(User.name == name).all()\nelse:\n    # handle None case separately",
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "success_rate": 0.85,
      "how": "def get_user(name=''):\n    result = session.query(User).filter(User.name == name).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": 0.82,
  "fix_success_rate": 0.8,
  "resolvable": "true",
  "first_seen": "2025-05-10",
  "last_confirmed": "2025-01-01",
  "last_updated": "2025-01-01",
  "evidence_count": 0,
  "tags": [],
  "locale": "en",
  "aliases": []
}