zwt13703
48 lines
2.1 KiB
Python
48 lines
2.1 KiB
Python
from sqlalchemy.ext.asyncio import create_async_engine, async_sessionmaker, AsyncSession
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from sqlalchemy import inspect, text
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from sqlalchemy.orm import DeclarativeBase
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from config import settings
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engine = create_async_engine(settings.DATABASE_URL, echo=settings.DEBUG, pool_size=10, max_overflow=20)
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async_session = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
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class Base(DeclarativeBase):
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pass
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async def get_db():
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async with async_session() as session:
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try:
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yield session
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finally:
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await session.close()
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async def init_db():
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from models.template import Template
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from models.paragraph import Paragraph
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from models.ai_model import AiModel
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from models.document import Document
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from models.generation_log import GenerationLog
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from models.reference_file import ReferenceFile
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async with engine.begin() as conn:
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await conn.run_sync(Base.metadata.create_all)
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dialect_name = conn.dialect.name
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columns = await conn.run_sync(lambda sync_conn: [column["name"] for column in inspect(sync_conn).get_columns("ai_models")])
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if "supports_streaming" not in columns:
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if dialect_name == "sqlite":
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await conn.execute(text("ALTER TABLE ai_models ADD COLUMN supports_streaming BOOLEAN DEFAULT 0"))
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else:
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await conn.execute(text("ALTER TABLE ai_models ADD COLUMN supports_streaming TINYINT(1) DEFAULT 0"))
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if "enable_reasoning" not in columns:
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if dialect_name == "sqlite":
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await conn.execute(text("ALTER TABLE ai_models ADD COLUMN enable_reasoning BOOLEAN DEFAULT 0"))
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else:
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await conn.execute(text("ALTER TABLE ai_models ADD COLUMN enable_reasoning TINYINT(1) DEFAULT 0"))
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document_columns = await conn.run_sync(
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lambda sync_conn: [column["name"] for column in inspect(sync_conn).get_columns("documents")]
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)
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if "request_payload_json" not in document_columns:
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await conn.execute(text("ALTER TABLE documents ADD COLUMN request_payload_json TEXT"))
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