SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectIntersectExceptQuery (children 2)
   SelectWithUnionQuery (children 1)
    ExpressionList (children 1)
     SelectQuery (children 1)
      ExpressionList (children 1)
       Asterisk (children 1)
        ColumnsTransformerList (children 1)
         ColumnsExceptTransformer (children 1)
          Identifier a
   SelectQuery (children 1)
    ExpressionList (children 1)
     Literal UInt64_1
