class_docstr: Generic TFX PrestoExampleGen executor.
class_docstr_tok: ["Generic","TFX","PrestoExampleGen","executor","."]
docstr: Returns PTransform for Presto to TF examples.
docstr_tok: ["Returns","PTransform","for","Presto","to","TF","examples","."]
code: def GetInputSourceToExamplePTransform(self) -> beam.PTransform:
      """Returns PTransform for Presto to TF examples."""
      return _PrestoToExample
  
imports: import datetime
  from typing import Any, Dict, Iterable, Tuple
  import apache_beam
  import prestodb
  import tensorflow
  from tfx.components.example_gen import base_example_gen_executor
  from tfx.examples.custom_components.presto_example_gen.proto import presto_config_pb2
  from tfx.proto import example_gen_pb2
  from tfx.utils import proto_utils
label_desc: Use image node_id 1 for calling the Executor obj's underlying member method code with example usage: obj.GetInputSourceToExamplePTransform() and returns: _PrestoToExample