InsertQuery   (children 2)
 Identifier regression_for_in_operator
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 3)
     Function today (children 1)
      ExpressionList
     Function toString (children 1)
      ExpressionList (children 1)
       Function modulo (children 1)
        ExpressionList (children 2)
         Identifier number
         Literal UInt64_10
     Identifier number
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier system.numbers
    Literal UInt64_1000
