SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Asterisk
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function values (children 1)
       ExpressionList (children 2)
        Literal \'arr Map(String, JSON)\'
        Literal \'{\\\'x\\\' : \\\'{"y" : 1}\\\', \\\'t\\\' : \\\'{"y" : 2}\\\'}\'
 Identifier JSONEachRow
