DescribeQuery (children 1)
 TableExpression (children 1)
  Subquery (children 1)
   SelectWithUnionQuery (children 1)
    ExpressionList (children 1)
     SelectQuery (children 3)
      ExpressionList (children 1)
       WithElement (children 1)
        Subquery (children 1)
         SelectWithUnionQuery (children 1)
          ExpressionList (children 1)
           SelectQuery (children 2)
            ExpressionList (children 1)
             Identifier id
            TablesInSelectQuery (children 1)
             TablesInSelectQueryElement (children 1)
              TableExpression (children 1)
               TableIdentifier test_table
      ExpressionList (children 1)
       Function in (children 1)
        ExpressionList (children 2)
         Identifier id
         Subquery (children 1)
          SelectWithUnionQuery (children 1)
           ExpressionList (children 1)
            SelectQuery (children 2)
             ExpressionList (children 1)
              Identifier id
             TablesInSelectQuery (children 1)
              TablesInSelectQueryElement (children 1)
               TableExpression (children 1)
                TableIdentifier test_table_in_cte
      TablesInSelectQuery (children 1)
       TablesInSelectQueryElement (children 1)
        TableExpression (children 1)
         TableIdentifier test_table