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>
38 lines
2.2 KiB
Python
38 lines
2.2 KiB
Python
"""ORM model for run events."""
|
||
|
||
from __future__ import annotations
|
||
|
||
from datetime import UTC, datetime
|
||
|
||
from sqlalchemy import JSON, DateTime, Index, String, Text, UniqueConstraint
|
||
from sqlalchemy.orm import Mapped, mapped_column
|
||
|
||
from deerflow.persistence.base import Base
|
||
|
||
|
||
class RunEventRow(Base):
|
||
__tablename__ = "run_events"
|
||
|
||
id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True, comment="自增主键")
|
||
thread_id: Mapped[str] = mapped_column(String(64), nullable=False, comment="所属会话 ID（threads_meta.thread_id）")
|
||
run_id: Mapped[str] = mapped_column(String(64), nullable=False, comment="所属运行 ID（runs.run_id）")
|
||
user_id: Mapped[str | None] = mapped_column(
|
||
String(64),
|
||
nullable=True,
|
||
index=True,
|
||
comment="会话所有者；为 NULL 表示鉴权引入之前的历史数据，新写入由 auth 中间件填充，启动期 orphan 迁移会回填存量",
|
||
)
|
||
event_type: Mapped[str] = mapped_column(String(32), nullable=False, comment="事件子类型（具体含义由 category 决定，如 ai_message_chunk、tool_call、run_started）")
|
||
category: Mapped[str] = mapped_column(String(16), nullable=False, comment='事件大类："message" 消息 / "trace" 追踪 / "lifecycle" 生命周期')
|
||
content: Mapped[str] = mapped_column(Text, default="", comment="事件文本内容（消息体、错误、状态字符串等）")
|
||
event_metadata: Mapped[dict] = mapped_column(JSON, default=dict, comment="事件结构化元数据（JSON），随 event_type 而异")
|
||
seq: Mapped[int] = mapped_column(nullable=False, comment="在 thread 内的全局递增序号；与 thread_id 组合唯一")
|
||
created_at: Mapped[datetime] = mapped_column(DateTime(timezone=True), default=lambda: datetime.now(UTC), comment="创建时间（UTC）")
|
||
|
||
__table_args__ = (
|
||
UniqueConstraint("thread_id", "seq", name="uq_events_thread_seq"),
|
||
Index("ix_events_thread_cat_seq", "thread_id", "category", "seq"),
|
||
Index("ix_events_run", "thread_id", "run_id", "seq"),
|
||
{"comment": "运行事件流（消息/追踪/生命周期事件按 seq 顺序追加，是消息回放与审计的真源）"},
|
||
)
|