SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 1)
   ExpressionList (children 9)
    Function materialize (alias mac_str) (children 1)
     ExpressionList (children 1)
      Literal \'01:02:03:04:05:06\'
    Function MACStringToNum (alias mac_num) (children 1)
     ExpressionList (children 1)
      Identifier mac_str
    Function hex (children 1)
     ExpressionList (children 1)
      Identifier mac_num
    Function MACNumToString (alias mac_str2) (children 1)
     ExpressionList (children 1)
      Identifier mac_num
    Function equals (children 1)
     ExpressionList (children 2)
      Identifier mac_str
      Identifier mac_str2
    Function MACStringToOUI (alias oui_num) (children 1)
     ExpressionList (children 1)
      Identifier mac_str
    Function hex (children 1)
     ExpressionList (children 1)
      Identifier oui_num
    Function MACStringToOUI (alias oui_num2) (children 1)
     ExpressionList (children 1)
      Function substring (children 1)
       ExpressionList (children 3)
        Identifier mac_str
        Literal UInt64_1
        Literal UInt64_8
    Function equals (children 1)
     ExpressionList (children 2)
      Identifier oui_num
      Identifier oui_num2