53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
from sqlalchemy import (
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Index,
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# event,
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String,
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JSON,
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UUID,
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)
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# from sqlalchemy.schema import DDL
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from sqlalchemy.orm import Mapped, mapped_column
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from cognee.infrastructure.databases.relational import Base
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class Node(Base):
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__tablename__ = "nodes"
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id: Mapped[UUID] = mapped_column(UUID(as_uuid=True), primary_key=True)
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slug: Mapped[UUID] = mapped_column(UUID(as_uuid=True), nullable=False)
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user_id: Mapped[UUID] = mapped_column(UUID(as_uuid=True), nullable=False)
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data_id: Mapped[UUID] = mapped_column(UUID(as_uuid=True), nullable=False)
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dataset_id: Mapped[UUID] = mapped_column(UUID(as_uuid=True), nullable=False)
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label: Mapped[str] = mapped_column(String(255))
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type: Mapped[str] = mapped_column(String(255), nullable=False)
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indexed_fields: Mapped[list] = mapped_column(JSON)
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# props: Mapped[dict] = mapped_column(JSON)
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__table_args__ = (
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Index("index_node_dataset_slug", "dataset_id", "slug"),
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Index("index_node_dataset_data", "dataset_id", "data_id"),
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# {"postgresql_partition_by": "HASH (user_id)"}, # HASH partitioning on user_id
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)
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# Enable row-level security (RLS) for nodes
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# enable_node_rls = DDL("""
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# ALTER TABLE nodes ENABLE ROW LEVEL SECURITY;
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# """)
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# create_user_isolation_policy = DDL("""
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# CREATE POLICY user_isolation_policy
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# ON nodes
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# USING (user_id = current_setting('app.current_user_id')::uuid)
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# WITH CHECK (user_id = current_setting('app.current_user_id')::uuid);
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# """)
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# event.listen(Node.__table__, "after_create", enable_node_rls)
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# event.listen(Node.__table__, "after_create", create_user_isolation_policy)
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