

# constants for hmf
MEMMAP_MAP_FILENAME = "__specialHMF__memmapMap"
GROUPBY_ENCODER = "__specialHMF__groupByNumericEncoder"
NUM_FILE_COPY = 3
DATAFRAME_NAME = "__specialHMF__dataFrameNumber"

HMF_GROUPBY_DUMMY_NAME = "__specialHMF__groupbyDummyName"