SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function JSONExtractStringCaseInsensitive (children 1)
     ExpressionList (children 2)
      Function concat (children 1)
       ExpressionList (children 3)
        Literal \'{"\'
        Function repeat (children 1)
         ExpressionList (children 2)
          Literal \'VeryLongKey\'
          Literal UInt64_100
        Literal \'": "value"}\'
      Function repeat (children 1)
       ExpressionList (children 2)
        Literal \'verylongkey\'
        Literal UInt64_100
