SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function JSONExtractIntCaseInsensitive (children 1)
     ExpressionList (children 3)
      Literal \'{"Items": [1, 2, 3]}\'
      Literal \'items\'
      Literal UInt64_1
