SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 2)
    Function sqidEncode (alias sqid) (children 1)
     ExpressionList (children 4)
      Function CAST (children 1)
       ExpressionList (children 2)
        Literal \'1\'
        Literal \'UInt8\'
      Function CAST (children 1)
       ExpressionList (children 2)
        Literal \'2\'
        Literal \'UInt16\'
      Function CAST (children 1)
       ExpressionList (children 2)
        Literal \'3\'
        Literal \'UInt32\'
      Function CAST (children 1)
       ExpressionList (children 2)
        Literal \'4\'
        Literal \'UInt64\'
    Function sqidDecode (children 1)
     ExpressionList (children 1)
      Identifier sqid