def date_extract_sql(self, lookup_type, field_name):
        raise NotImplementedError()
Create a Agilent/Varian data array (recast into complex64 array)
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/django/db/backends/__init__.py/BaseDatabaseOperations.date_extract_sql--crossover with--dataset/ETHPy150Open jjhelmus/nmrglue/nmrglue/fileio/varian.py/create_data