class_docstr: Renders the SQL query plan assuming ANSI SQL.
class_docstr_tok: ["Renders","the","SQL","query","plan","assuming","ANSI","SQL","."]
docstr: Render a reference to a column without a known table alias. e.g. foo.bar vs bar.
docstr_tok: ["Render","a","reference","to","a","column","without","a","known","table","alias",".","e.g",".","foo.bar","vs","bar","."]
code: def visit_column_alias_reference_expr(  # noqa: D
      self, node: SqlColumnAliasReferenceExpression
  ) -> SqlExpressionRenderResult:
      """Render a reference to a column without a known table alias. e.g. foo.bar vs bar."""
      return SqlExpressionRenderResult(
          sql=node.column_alias,
          bind_parameters=SqlBindParameters(),
      )
  
imports: from __future__ import annotations
  import logging
  import textwrap
  from abc import ABC, abstractmethod
  from collections import namedtuple
  from dataclasses import dataclass
  from typing import Collection, List
  import jinja2
  from dbt_semantic_interfaces.type_enums.date_part import DatePart
  from dbt_semantic_interfaces.type_enums.time_granularity import TimeGranularity
  from typing_extensions import override
  from metricflow.sql.sql_bind_parameters import SqlBindParameters
  from metricflow.sql.sql_exprs import SqlAggregateFunctionExpression, SqlBetweenExpression, SqlCastToTimestampExpression, SqlColumnAliasReferenceExpression, SqlColumnReferenceExpression, SqlComparisonExpression, SqlDateTruncExpression, SqlExpressionNode, SqlExpressionNodeVisitor, SqlExtractExpression, SqlFunction, SqlGenerateUuidExpression, SqlIsNullExpression, SqlLogicalExpression, SqlNullExpression, SqlPercentileExpression, SqlPercentileFunctionType, SqlRatioComputationExpression, SqlStringExpression, SqlStringLiteralExpression, SqlSubtractTimeIntervalExpression, SqlWindowFunctionExpression
  from metricflow.sql.sql_plan import SqlSelectColumn
label_desc: Use image node_id 6 for calling the DefaultSqlExpressionRenderer obj's underlying member method code with example usage: obj.visit_column_alias_reference_expr(node) and returns: SqlExpressionRenderResult