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23 lines
665 B
Python
23 lines
665 B
Python
from uuid import UUID
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from typing import Optional
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from sqlalchemy import select
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from cognee.modules.data.models import Data, Dataset
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from cognee.infrastructure.databases.relational import get_relational_engine
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async def get_last_added_data(dataset_id: UUID) -> Optional[Data]:
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db_engine = get_relational_engine()
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async with db_engine.get_async_session() as session:
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result = await session.execute(
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select(Data)
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.join(Data.datasets)
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.where((Dataset.id == dataset_id))
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.order_by(Data.created_at.desc())
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.limit(1)
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)
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data = result.scalar_one_or_none()
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return data
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