CreateQuery ip_part_test (children 4)
 Identifier ip_part_test
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration ipv4 (children 1)
    DataType IPv4
   ColumnDeclaration ipv6 (children 1)
    DataType IPv6
 Storage definition (children 3)
  Function MergeTree
  Identifier ipv6
  Identifier ipv6
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 1)
    ExpressionList (children 2)
     Literal \'1.2.3.4\'
     Literal \'::ffff:1.2.3.4\'