xsl
71204affab
Creates the vector extension plus id_user, id_user_identity, id_consent, bl_quota_rule, bl_quota, bl_ledger, tk_task and ob_ai_call using the domain prefixes of 架构文档 §6.1, and seeds the quota rules. Reversible: verified by an upgrade/downgrade/upgrade round-trip, which CI now runs on every push.
80 lines
2.2 KiB
Python
Executable File
80 lines
2.2 KiB
Python
Executable File
"""Alembic environment — async engine + pgvector.
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NFR-MAINT-06 / 架构文档 §14.3: 迁移必须向后兼容（加列不删列、先双写后切读），
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并且必须可逆或明确标注不可逆。CI runs upgrade → downgrade → upgrade.
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"""
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from __future__ import annotations
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import asyncio
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from logging.config import fileConfig
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from alembic import context
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from sqlalchemy import pool
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from sqlalchemy.engine import Connection
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from sqlalchemy.ext.asyncio import async_engine_from_config
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from packages.shared.config import get_settings
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from packages.shared.models import Base
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config = context.config
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if config.config_file_name is not None:
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fileConfig(config.config_file_name)
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config.set_main_option("sqlalchemy.url", get_settings().database_url)
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target_metadata = Base.metadata
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def _include_object(
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obj: object, name: str | None, type_: str, reflected: bool, compare_to: object
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) -> bool:
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# pgvector installs its own tables/types; never autogenerate against them.
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return not (type_ == "table" and name in {"vector", "spatial_ref_sys"})
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def run_migrations_offline() -> None:
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context.configure(
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url=config.get_main_option("sqlalchemy.url"),
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target_metadata=target_metadata,
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literal_binds=True,
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dialect_opts={"paramstyle": "named"},
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compare_type=True,
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include_object=_include_object,
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)
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with context.begin_transaction():
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context.run_migrations()
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def do_run_migrations(connection: Connection) -> None:
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context.configure(
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connection=connection,
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target_metadata=target_metadata,
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compare_type=True,
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include_object=_include_object,
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)
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with context.begin_transaction():
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context.run_migrations()
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async def run_async_migrations() -> None:
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connectable = async_engine_from_config(
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config.get_section(config.config_ini_section, {}),
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prefix="sqlalchemy.",
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poolclass=pool.NullPool,
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)
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async with connectable.connect() as connection:
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await connection.run_sync(do_run_migrations)
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await connectable.dispose()
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def run_migrations_online() -> None:
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asyncio.run(run_async_migrations())
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if context.is_offline_mode():
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run_migrations_offline()
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else:
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run_migrations_online()
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