SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 6)
    Identifier ip
    Identifier ipv6
    Identifier cblock
    Identifier cblock1
    Identifier is_ipv6
    Function cutIPv6 (children 1)
     ExpressionList (children 3)
      Identifier ipv6
      Literal UInt64_10
      Literal UInt64_1
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier ipv6_test26473
