class_docstr: Used to describe how an instance is associated with columns in table / SQL query.
class_docstr_tok: ["Used","to","describe","how","an","instance","is","associated","with","columns","in","table","\/","SQL","query","."]
code: def column_correlation_key(self) -> ColumnCorrelationKey:  # noqa: D
      return self.single_column_correlation_key
  
file_path: metricflow/metricflow/specs/column_assoc.py
imports: from __future__ import annotations
  from abc import ABC, abstractmethod
  from dataclasses import dataclass
  from typing import Any
  from dbt_semantic_interfaces.dataclass_serialization import SerializableDataclass
  from metricflow.specs.specs import InstanceSpec
label_desc: Use image node_id 1 for calling the ColumnAssociation obj's underlying member method code with example usage: obj.column_correlation_key() and returns: self