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chore: import upstream snapshot with attribution
2026-07-13 13:02:24 +08:00

62 lines
2.0 KiB
Python

from datetime import datetime, timezone
from sqlalchemy import (
# event,
DateTime,
JSON,
UUID,
Text,
)
# from sqlalchemy.schema import DDL
from sqlalchemy.orm import Mapped, mapped_column
from cognee.infrastructure.databases.relational import Base
class Edge(Base):
__tablename__ = "edges"
id: Mapped[UUID] = mapped_column(UUID(as_uuid=True), primary_key=True)
slug: Mapped[UUID] = mapped_column(UUID(as_uuid=True), nullable=False)
user_id: Mapped[UUID] = mapped_column(UUID(as_uuid=True), nullable=False)
data_id: Mapped[UUID] = mapped_column(UUID(as_uuid=True), index=True, nullable=False)
dataset_id: Mapped[UUID] = mapped_column(UUID(as_uuid=True), index=True, nullable=False)
pipeline_run_id: Mapped[UUID | None] = mapped_column(
UUID(as_uuid=True), index=True, nullable=True
)
source_node_id: Mapped[UUID] = mapped_column(UUID(as_uuid=True), nullable=False)
destination_node_id: Mapped[UUID] = mapped_column(UUID(as_uuid=True), nullable=False)
relationship_name: Mapped[str] = mapped_column(Text, nullable=False)
label: Mapped[str | None] = mapped_column(Text)
attributes: Mapped[dict | None] = mapped_column(JSON)
created_at: Mapped[datetime] = mapped_column(
DateTime(timezone=True), default=lambda: datetime.now(timezone.utc), nullable=False
)
# __table_args__ = (
# {"postgresql_partition_by": "HASH (user_id)"}, # partitioning by user
# )
# Enable row-level security (RLS) for edges
# enable_edge_rls = DDL("""
# ALTER TABLE edges ENABLE ROW LEVEL SECURITY;
# """)
# create_user_isolation_policy = DDL("""
# CREATE POLICY user_isolation_policy
# ON edges
# USING (user_id = current_setting('app.current_user_id')::uuid)
# WITH CHECK (user_id = current_setting('app.current_user_id')::uuid);
# """)
# event.listen(Edge.__table__, "after_create", enable_edge_rls)
# event.listen(Edge.__table__, "after_create", create_user_isolation_policy)