tf.raw_ops.GroupByReducerDataset
Creates a dataset that computes a group-by on input_dataset.
tf.raw_ops.GroupByReducerDataset(
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. |
© 2020 The TensorFlow Authors. All rights reserved.
Licensed under the Creative Commons Attribution License 3.0.
Code samples licensed under the Apache 2.0 License.
https://www.tensorflow.org/versions/r2.3/api_docs/python/tf/raw_ops/GroupByReducerDataset