class_docstr: Computes simple statistics about queries.
class_docstr_tok: ["Computes","simple","statistics","about","queries","."]
code: def create_accumulator(self):
      return _State(
          total_queries=0,
          total_documents=0,
          min_documents=self.LARGE_INT,
          max_documents=0,
      )
  
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 1 for calling the QueryStatisticsCombineFn obj's underlying member method code with example usage: obj.create_accumulator() and returns: _State