DescribeQuery (children 1)
 TableExpression (children 1)
  Subquery (children 1)
   SelectWithUnionQuery (children 1)
    ExpressionList (children 1)
     SelectQuery (children 2)
      ExpressionList (children 1)
       Function arrayMap (children 1)
        ExpressionList (children 2)
         Function lambda (children 1)
          ExpressionList (children 2)
           Function tuple (children 1)
            ExpressionList (children 1)
             Identifier x
           Function plus (children 1)
            ExpressionList (children 2)
             Function plus (children 1)
              ExpressionList (children 2)
               Function plus (children 1)
                ExpressionList (children 2)
                 Identifier x
                 Identifier test_table.id (alias first)
               Identifier test_table.id (alias second)
             Identifier id
         Literal Array_[UInt64_1, UInt64_2, UInt64_3]
      TablesInSelectQuery (children 1)
       TablesInSelectQueryElement (children 1)
        TableExpression (children 1)
         TableIdentifier test_table
