class_docstr: Visitor helper class for DefaultColumnAssociationResolver2.
class_docstr_tok: ["Visitor","helper","class","for","DefaultColumnAssociationResolver2","."]
code: def visit_dimension_spec(
      self, dimension_spec: DimensionSpec
  ) -> ColumnAssociation:  # noqa: D
      return ColumnAssociation(
          column_name=StructuredLinkableSpecName(
              entity_link_names=tuple(
                  x.element_name for x in dimension_spec.entity_links
              ),
              element_name=dimension_spec.element_name,
          ).qualified_name,
          single_column_correlation_key=SingleColumnCorrelationKey(),
      )
  
file_path: metricflow/metricflow/plan_conversion/column_resolver.py
imports: from __future__ import annotations
  import logging
  from metricflow.model.semantic_manifest_lookup import SemanticManifestLookup
  from metricflow.naming.linkable_spec_name import DUNDER, StructuredLinkableSpecName
  from metricflow.specs.column_assoc import ColumnAssociation, ColumnAssociationResolver, SingleColumnCorrelationKey
  from metricflow.specs.specs import DimensionSpec, EntitySpec, InstanceSpec, InstanceSpecVisitor, MeasureSpec, MetadataSpec, MetricSpec, TimeDimensionSpec
label_desc: Use image node_id 4 for calling the DunderColumnAssociationResolverVisitor obj's underlying member method code with example usage: obj.visit_dimension_spec(dimension_spec) and returns: ColumnAssociation