SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function arrayJoin (children 1)
     ExpressionList (children 1)
      Function distinctJSONPathsIf (children 1)
       ExpressionList (children 2)
        Identifier json
        Function equals (children 1)
         ExpressionList (children 2)
          Function dynamicType (children 1)
           ExpressionList (children 1)
            Identifier json.a2
          Literal \'String\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_json_dynamic_aggregate_functions
