class_docstr: Computes simple statistics about queries.
class_docstr_tok: ["Computes","simple","statistics","about","queries","."]
code: def merge_accumulators(
      self, accumulators: Iterable[_State]
  ) -> _State:
      it = iter(accumulators)
      result = next(it)
      for acc in it:
          result.merge(acc)
      return result
  
file_path: model-analysis/tensorflow_model_analysis/evaluators/query_metrics/query_statistics.py
imports: import dataclasses
  from typing import Any, Dict, Iterable
  import apache_beam
  from tensorflow_model_analysis.evaluators.query_metrics import query_types
  from tensorflow_model_analysis.post_export_metrics import metric_keys
label_desc: Use image node_id 3 for calling the QueryStatisticsCombineFn obj's underlying member method code with example usage: obj.merge_accumulators(accumulators) and returns: result