def get_udf_arg_for_copy_columns(frame, predicate_function, column_names):
row_ready_predicate = _wrap_row_function(frame, predicate_function)
row_ready_map = _wrap_row_function(
frame, get_copy_columns_function(column_names, frame.schema))
def iteration_ready_function(s, iterator):
return ifiltermap(row_ready_predicate, row_ready_map, iterator)
return make_http_ready(iteration_ready_function)
def get_udf_arg(frame,
subject_function,
iteration_function,
optional_schema=None):
"""
Prepares a python row function for server execution and http transmission
Parameters
----------
frame : Frame
frame on whose rows the function will execute
subject_function : function
a function with a single row parameter
iteration_function: function
the iteration function to apply for the frame. In general, it is
imap. For filter however, it is ifilter
"""
row_ready_function = _wrap_row_function(frame, subject_function,
optional_schema)
def iterator_function(iterator):
return iteration_function(row_ready_function, iterator)
def iteration_ready_function(s, iterator):
return iterator_function(iterator)
return make_http_ready(iteration_ready_function)
def get_udf_arg(frame, subject_function, iteration_function, optional_schema=None):
"""
Prepares a python row function for server execution and http transmission
Parameters
----------
frame : Frame
frame on whose rows the function will execute
subject_function : function
a function with a single row parameter
iteration_function: function
the iteration function to apply for the frame. In general, it is
imap. For filter however, it is ifilter
"""
row_ready_function = _wrap_row_function(frame, subject_function, optional_schema)
def iterator_function(iterator): return iteration_function(row_ready_function, iterator)
def iteration_ready_function(s, iterator): return iterator_function(iterator)
return make_http_ready(iteration_ready_function)
def get_udf_arg_for_copy_columns(frame, predicate_function, column_names):
row_ready_predicate = _wrap_row_function(frame, predicate_function)
row_ready_map = _wrap_row_function(frame, get_copy_columns_function(column_names, frame.schema))
def iteration_ready_function(s, iterator): return ifiltermap(row_ready_predicate, row_ready_map, iterator)
return make_http_ready(iteration_ready_function)
