SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Function JSONExtractRaw (alias res) (children 1)
     ExpressionList (children 2)
      Function concat (children 1)
       ExpressionList (children 3)
        Literal \'{"x":\'
        Function if (children 1)
         ExpressionList (children 3)
          Function modulo (children 1)
           ExpressionList (children 2)
            Function rand (children 1)
             ExpressionList
            Literal UInt64_2
          Literal \'true\'
          Literal \'false\'
        Literal \'}\'
      Literal \'x\'
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_1000000
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier res