env.py 文件源码

python
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项目:triage 作者: dssg 项目源码 文件源码
def run_migrations_offline():
    """Run migrations in 'offline' mode.

    This configures the context with just a URL
    and not an Engine, though an Engine is acceptable
    here as well.  By skipping the Engine creation
    we don't even need a DBAPI to be available.

    Calls to context.execute() here emit the given string to the
    script output.

    """
    context.configure(
        url=url,
        target_metadata=target_metadata,
        literal_binds=True,
        version_table='results_schema_versions'
    )

    with context.begin_transaction():
        context.run_migrations()
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