anchor.diff:        final column = _resolveRowIdAlias(e);
   
         if (column == null) {
  -        context.reportError(AnalysisError(
  -            type: AnalysisErrorType.referencedUnknownColumn, relevantNode: e));
  +        _reportUnknownColumnError(e);
         } else {
           e.resolved = column;
         }
  
positive.code:       } else {
          final column = resultSet.findColumn(e.columnName);
          if (column == null) {
            context.reportError(AnalysisError(
              type: AnalysisErrorType.referencedUnknownColumn,
              relevantNode: e,
            ));
          } else {
            e.resolved = column;
          }
  
negative.code:           scope.availableColumns.where((c) => c?.name == e.columnName).toSet();
  
        if (columns.isEmpty) {
          _reportUnknownColumnError(e);
        } else {
          if (columns.length > 1) {
            final description =
  