SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 1)
    Function JSONExtractKeysAndValues (children 1)
     ExpressionList (children 2)
      Function array (children 1)
       ExpressionList
      Function JSONLength (children 1)
       ExpressionList (children 1)
        Literal \'^?V{LSwp\'