Creates a dataset that computes a group-by on input_dataset
.
tf.raw_ops.ExperimentalGroupByReducerDataset(
input_dataset,
key_func_other_arguments,
init_func_other_arguments,
reduce_func_other_arguments,
finalize_func_other_arguments,
key_func,
init_func,
reduce_func,
finalize_func,
output_types,
output_shapes,
name=None
)
Creates a dataset that computes a group-by on input_dataset
.
Args | |
---|---|
input_dataset
|
A Tensor of type variant .
A variant tensor representing the input dataset.
|
key_func_other_arguments
|
A list of Tensor objects.
A list of tensors, typically values that were captured when
building a closure for key_func .
|
init_func_other_arguments
|
A list of Tensor objects.
A list of tensors, typically values that were captured when
building a closure for init_func .
|
reduce_func_other_arguments
|
A list of Tensor objects.
A list of tensors, typically values that were captured when
building a closure for reduce_func .
|
finalize_func_other_arguments
|
A list of Tensor objects.
A list of tensors, typically values that were captured when
building a closure for finalize_func .
|
key_func
|
A function decorated with @Defun.
A function mapping an element of input_dataset , concatenated
with key_func_other_arguments to a scalar value of type DT_INT64.
|
init_func
|
A function decorated with @Defun.
A function mapping a key of type DT_INT64, concatenated with
init_func_other_arguments to the initial reducer state.
|
reduce_func
|
A function decorated with @Defun.
A function mapping the current reducer state and an element of input_dataset ,
concatenated with reduce_func_other_arguments to a new reducer state.
|
finalize_func
|
A function decorated with @Defun. A function mapping the final reducer state to an output element. |
output_types
|
A list of tf.DTypes that has length >= 1 .
|
output_shapes
|
A list of shapes (each a tf.TensorShape or list of ints ) that has length >= 1 .
|
name
|
A name for the operation (optional). |
Returns | |
---|---|
A Tensor of type variant .
|