1507a7289a2f_create_is_encrypted.py 文件源码

def upgrade():
    # first check if the user already has this done. This should only be
    # true for users who are upgrading from a previous version of Airflow
    # that predates Alembic integration
    inspector = Inspector.from_engine(settings.engine)

    # this will only be true if 'connection' already exists in the db,
    # but not if alembic created it in a previous migration
    if 'connection' in inspector.get_table_names():
        col_names = [c['name'] for c in inspector.get_columns('connection')]
        if 'is_encrypted' in col_names:
            return

    op.add_column(
        'connection',
        sa.Column('is_encrypted', sa.Boolean, unique=False, default=False))

    conn = op.get_bind()
    conn.execute(
        connectionhelper.update().values(is_encrypted=False)
    )