def __init__(self,
name,
schema=Schema([]),
filename="",
dataframe=pd.DataFrame(),
check=True,
attribute_names=[],
annotation_names=[]):
# Replace int64 with int32. TODO: Make int64 work?
int64_cols = [
col for col, dtype in dataframe.dtypes.to_dict().items()
if dtype == "int64"
]
dataframe[int64_cols] = dataframe[int64_cols].astype(pd.np.int32)
self.name = name #name of the relation
self.schema = schema #schema of relation
self.filename = filename #file relation comes from
self.df = not dataframe.empty
self.dataframe = dataframe
if not dataframe.empty:
self.schema = Schema.fromDF(dataframe, attribute_names,
annotation_names)
if check:
if dataframe.empty and filename == "":
raise Exception(
"Relation " + self.name +
" needs a filename (either a file or dataframe).")
def __init__(self,name,schema=Schema([]),filename="",dataframe=pd.DataFrame(),check=True):
self.name = name #name of the relation
self.schema = schema #schema of relation
self.filename = filename #file relation comes from
self.df = not dataframe.empty
self.dataframe = dataframe
if not dataframe.empty:
self.schema = Schema.fromDF(dataframe)
if check:
if dataframe.empty and filename == "":
raise Exception("Relation "+self.name+" needs a filename (either a file or dataframe).")
def __init__(self,name,schema=Schema([]),filename="",dataframe=pd.DataFrame(),check=True,attribute_names=[],annotation_names=[]):
# Replace int64 with int32. TODO: Make int64 work?
int64_cols = [
col for col, dtype in dataframe.dtypes.to_dict().items()
if dtype == "int64"
]
dataframe[int64_cols] = dataframe[int64_cols].astype(pd.np.int32)
self.name = name #name of the relation
self.schema = schema #schema of relation
self.filename = filename #file relation comes from
self.df = not dataframe.empty
self.dataframe = dataframe
if not dataframe.empty:
self.schema = Schema.fromDF(dataframe,attribute_names,annotation_names)
if check:
if dataframe.empty and filename == "":
raise Exception("Relation "+self.name+" needs a filename (either a file or dataframe).")
