SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Identifier arr
    Function toTypeName (children 1)
     ExpressionList (children 1)
      Identifier arr
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function format (children 1)
       ExpressionList (children 2)
        Literal \'JSONEachRow\'
        Literal \'{"arr" : [1, "Hello", {"a" : 32}]}\'
 Identifier Pretty
