def __init__(self, conn_string):
        # We ignore the conn_string, since everything is happening in-memory.
        pass
Init variables and connect to the engine
dataset/ETHPy150Open toastdriven/alligator/alligator/backends/locmem_backend.py/Client.__init__--crossover with--dataset/ETHPy150Open harryliu/edwin/edwinServer/site_packages/pypyodbc.py/Connection.__init__