SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function count (children 1)
     ExpressionList
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier system.numbers_mt
   Function not (children 1)
    ExpressionList (children 1)
     Function ignore (children 1)
      ExpressionList (children 1)
       Function JSONExtract (children 1)
        ExpressionList (children 3)
         Function concat (children 1)
          ExpressionList (children 3)
           Literal \'{\'
           Function repeat (children 1)
            ExpressionList (children 2)
             Literal \'"a":"b",\'
             Function modulo (children 1)
              ExpressionList (children 2)
               Function rand (children 1)
                ExpressionList
               Literal UInt64_10
           Literal \'"c":"d"}\'
         Literal \'a\'
         Literal \'String\'
 Identifier Null