tf.raw_ops.ReaderReadUpTo

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Returns up to num_records (key, value) pairs produced by a Reader.

Will dequeue from the input queue if necessary (e.g. when the Reader needs to start reading from a new file since it has finished with the previous file). It may return less than num_records even before the last batch.

reader_handle A Tensor of type mutable string. Handle to a Reader.
queue_handle A Tensor of type mutable string. Handle to a Queue, with string work items.
num_records A Tensor of type int64. number of records to read from Reader.
name A name for the operation (optional).

A tuple of Tensor objects (keys, values).
keys A Tensor of type string.
values A Tensor of type string.