InsertQuery   (children 2)
 Identifier nulls
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 2)
     Function toDate (children 1)
      ExpressionList (children 1)
       Literal \'2000-01-01\'
     Function if (children 1)
      ExpressionList (children 3)
       Function notEquals (children 1)
        ExpressionList (children 2)
         Function modulo (children 1)
          ExpressionList (children 2)
           Identifier number
           Literal UInt64_10
         Literal UInt64_0
       Identifier number
       Literal NULL
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier system.numbers
    Literal UInt64_10000