def from_pandas(df):
"""
Convert a pandas DataFrame to a Modin DataFrame.
Parameters
----------
df : pandas.DataFrame
The pandas DataFrame to convert.
Returns
-------
modin.pandas.DataFrame
A new Modin DataFrame object.
"""
from modin.data_management.factories.dispatcher import FactoryDispatcher
from .dataframe import DataFrame
return DataFrame(query_compiler=FactoryDispatcher.from_pandas(df))
def read_sql(
sql,
con,
index_col=None,
coerce_float=True,
params=None,
parse_dates=None,
columns=None,
chunksize=None,
):
_, _, _, kwargs = inspect.getargvalues(inspect.currentframe())
from modin.data_management.factories.dispatcher import FactoryDispatcher
Engine.subscribe(_update_engine)
if kwargs.get("chunksize") is not None:
ErrorMessage.default_to_pandas("Parameters provided [chunksize]")
df_gen = pandas.read_sql(**kwargs)
return (DataFrame(query_compiler=FactoryDispatcher.from_pandas(df))
for df in df_gen)
return DataFrame(query_compiler=FactoryDispatcher.read_sql(**kwargs))
