1445043649
9ff790554d
通过 SQLAlchemy 的 comment= 给 5 张持久化表（users / threads_meta / runs / run_events / feedback）的所有字段以及表本身加上中文注释，便于读代码、 生成文档与未来切到 Postgres 时直接落库为 COMMENT ON。 SQLite 引擎本身不支持 COMMENT ON，运行时不会改变 .schema 输出。 Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
26 lines
1.5 KiB
Python
26 lines
1.5 KiB
Python
"""ORM model for thread metadata."""
|
||
|
||
from __future__ import annotations
|
||
|
||
from datetime import UTC, datetime
|
||
|
||
from sqlalchemy import JSON, DateTime, String
|
||
from sqlalchemy.orm import Mapped, mapped_column
|
||
|
||
from deerflow.persistence.base import Base
|
||
|
||
|
||
class ThreadMetaRow(Base):
|
||
__tablename__ = "threads_meta"
|
||
|
||
thread_id: Mapped[str] = mapped_column(String(64), primary_key=True, comment="会话主键（LangGraph thread_id）")
|
||
assistant_id: Mapped[str | None] = mapped_column(String(128), index=True, comment="关联的 Assistant ID（自定义智能体名）；为 NULL 表示默认 lead agent")
|
||
user_id: Mapped[str | None] = mapped_column(String(64), index=True, comment="会话所有者；为 NULL 表示历史无主数据")
|
||
display_name: Mapped[str | None] = mapped_column(String(256), comment="会话显示名（自动生成的标题或用户手改）")
|
||
status: Mapped[str] = mapped_column(String(20), default="idle", comment='会话状态："idle" 空闲 / "busy" 正在产出')
|
||
metadata_json: Mapped[dict] = mapped_column(JSON, default=dict, comment="任意扩展元数据（JSON）")
|
||
created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=lambda: datetime.now(UTC), comment="创建时间（UTC）")
|
||
updated_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=lambda: datetime.now(UTC), onupdate=lambda: datetime.now(UTC), comment="最近更新时间（UTC，写入时自动更新）")
|
||
|
||
__table_args__ = ({"comment": "会话元数据（每个 LangGraph thread 的概要信息）"},)
|