SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 4)
    Function CAST (children 1)
     ExpressionList (children 2)
      Literal \'42\'
      Literal \'DOUBLE PRECISION\'
    Function CAST (children 1)
     ExpressionList (children 2)
      Literal UInt64_42
      Literal \'NATIONAL CHARACTER VARYING\'
    Function CAST (children 1)
     ExpressionList (children 2)
      Literal Int64_-1
      Literal \'TINYINT UNSIGNED\'
    Function CAST (children 1)
     ExpressionList (children 2)
      Literal UInt64_65535
      Literal \' sMaLlInT  signed \'
