def parseFields(self, *fields):
target database must support names for constraints.
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/runner/inetdconf.py/SimpleConfFile.parseFields--crossover with--dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/testing/requirements.py/SuiteRequirements.named_constraints