InsertQuery   (children 2)
 Identifier null_in__fuzz_6
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 4)
    ExpressionList (children 1)
     Asterisk
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function generateRandom (children 1)
        ExpressionList
    Function isNotNull (children 1)
     ExpressionList (children 1)
      Identifier i
    Literal UInt64_1
