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feat(db): add sqlalchemy models, pgvector, and alembic migrations (#1)
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from logging.config import fileConfig
from sqlalchemy import engine_from_config
from sqlalchemy import pool
from alembic import context
from app.config import settings
from app.db import Base
from app import models
config = context.config
if config.config_file_name is not None:
fileConfig(config.config_file_name)
target_metadata = Base.metadata
def run_migrations_offline() -> None:
url = settings.DIRECT_DATABASE_URL or settings.DATABASE_URL
context.configure(
url=url,
target_metadata=target_metadata,
literal_binds=True,
dialect_opts={"paramstyle": "named"},
)
with context.begin_transaction():
context.run_migrations()
def run_migrations_online() -> None:
configuration = config.get_section(config.config_ini_section, {})
configuration["sqlalchemy.url"] = settings.DIRECT_DATABASE_URL or settings.DATABASE_URL
connectable = engine_from_config(
configuration,
prefix="sqlalchemy.",
poolclass=pool.NullPool,
)
with connectable.connect() as connection:
context.configure(
connection=connection, target_metadata=target_metadata
)
with context.begin_transaction():
context.run_migrations()
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()